<?php
							 | 
						|
								/**
							 | 
						|
								 * @package JAMA
							 | 
						|
								 */
							 | 
						|
								
							 | 
						|
								/** PHPExcel root directory */
							 | 
						|
								if (!defined('PHPEXCEL_ROOT')) {
							 | 
						|
								    /**
							 | 
						|
								     * @ignore
							 | 
						|
								     */
							 | 
						|
								    define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../../');
							 | 
						|
								    require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
							 | 
						|
								}
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								/*
							 | 
						|
								 *    Matrix class
							 | 
						|
								 *
							 | 
						|
								 *    @author Paul Meagher
							 | 
						|
								 *    @author Michael Bommarito
							 | 
						|
								 *    @author Lukasz Karapuda
							 | 
						|
								 *    @author Bartek Matosiuk
							 | 
						|
								 *    @version 1.8
							 | 
						|
								 *    @license PHP v3.0
							 | 
						|
								 *    @see http://math.nist.gov/javanumerics/jama/
							 | 
						|
								 */
							 | 
						|
								class PHPExcel_Shared_JAMA_Matrix
							 | 
						|
								{
							 | 
						|
								    const POLYMORPHIC_ARGUMENT_EXCEPTION = "Invalid argument pattern for polymorphic function.";
							 | 
						|
								    const ARGUMENT_TYPE_EXCEPTION        = "Invalid argument type.";
							 | 
						|
								    const ARGUMENT_BOUNDS_EXCEPTION      = "Invalid argument range.";
							 | 
						|
								    const MATRIX_DIMENSION_EXCEPTION     = "Matrix dimensions are not equal.";
							 | 
						|
								    const ARRAY_LENGTH_EXCEPTION         = "Array length must be a multiple of m.";
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    Matrix storage
							 | 
						|
								     *
							 | 
						|
								     *    @var array
							 | 
						|
								     *    @access public
							 | 
						|
								     */
							 | 
						|
								    public $A = array();
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    Matrix row dimension
							 | 
						|
								     *
							 | 
						|
								     *    @var int
							 | 
						|
								     *    @access private
							 | 
						|
								     */
							 | 
						|
								    private $m;
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    Matrix column dimension
							 | 
						|
								     *
							 | 
						|
								     *    @var int
							 | 
						|
								     *    @access private
							 | 
						|
								     */
							 | 
						|
								    private $n;
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    Polymorphic constructor
							 | 
						|
								     *
							 | 
						|
								     *    As PHP has no support for polymorphic constructors, we hack our own sort of polymorphism using func_num_args, func_get_arg, and gettype. In essence, we're just implementing a simple RTTI filter and calling the appropriate constructor.
							 | 
						|
								     */
							 | 
						|
								    public function __construct()
							 | 
						|
								    {
							 | 
						|
								        if (func_num_args() > 0) {
							 | 
						|
								            $args = func_get_args();
							 | 
						|
								            $match = implode(",", array_map('gettype', $args));
							 | 
						|
								
							 | 
						|
								            switch ($match) {
							 | 
						|
								                //Rectangular matrix - m x n initialized from 2D array
							 | 
						|
								                case 'array':
							 | 
						|
								                    $this->m = count($args[0]);
							 | 
						|
								                    $this->n = count($args[0][0]);
							 | 
						|
								                    $this->A = $args[0];
							 | 
						|
								                    break;
							 | 
						|
								                //Square matrix - n x n
							 | 
						|
								                case 'integer':
							 | 
						|
								                    $this->m = $args[0];
							 | 
						|
								                    $this->n = $args[0];
							 | 
						|
								                    $this->A = array_fill(0, $this->m, array_fill(0, $this->n, 0));
							 | 
						|
								                    break;
							 | 
						|
								                //Rectangular matrix - m x n
							 | 
						|
								                case 'integer,integer':
							 | 
						|
								                    $this->m = $args[0];
							 | 
						|
								                    $this->n = $args[1];
							 | 
						|
								                    $this->A = array_fill(0, $this->m, array_fill(0, $this->n, 0));
							 | 
						|
								                    break;
							 | 
						|
								                //Rectangular matrix - m x n initialized from packed array
							 | 
						|
								                case 'array,integer':
							 | 
						|
								                    $this->m = $args[1];
							 | 
						|
								                    if ($this->m != 0) {
							 | 
						|
								                        $this->n = count($args[0]) / $this->m;
							 | 
						|
								                    } else {
							 | 
						|
								                        $this->n = 0;
							 | 
						|
								                    }
							 | 
						|
								                    if (($this->m * $this->n) == count($args[0])) {
							 | 
						|
								                        for ($i = 0; $i < $this->m; ++$i) {
							 | 
						|
								                            for ($j = 0; $j < $this->n; ++$j) {
							 | 
						|
								                                $this->A[$i][$j] = $args[0][$i + $j * $this->m];
							 | 
						|
								                            }
							 | 
						|
								                        }
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARRAY_LENGTH_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                    break;
							 | 
						|
								                default:
							 | 
						|
								                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								                    break;
							 | 
						|
								            }
							 | 
						|
								        } else {
							 | 
						|
								            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								        }
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    getArray
							 | 
						|
								     *
							 | 
						|
								     *    @return array Matrix array
							 | 
						|
								     */
							 | 
						|
								    public function getArray()
							 | 
						|
								    {
							 | 
						|
								        return $this->A;
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    getRowDimension
							 | 
						|
								     *
							 | 
						|
								     *    @return int Row dimension
							 | 
						|
								     */
							 | 
						|
								    public function getRowDimension()
							 | 
						|
								    {
							 | 
						|
								        return $this->m;
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    getColumnDimension
							 | 
						|
								     *
							 | 
						|
								     *    @return int Column dimension
							 | 
						|
								     */
							 | 
						|
								    public function getColumnDimension()
							 | 
						|
								    {
							 | 
						|
								        return $this->n;
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    get
							 | 
						|
								     *
							 | 
						|
								     *    Get the i,j-th element of the matrix.
							 | 
						|
								     *    @param int $i Row position
							 | 
						|
								     *    @param int $j Column position
							 | 
						|
								     *    @return mixed Element (int/float/double)
							 | 
						|
								     */
							 | 
						|
								    public function get($i = null, $j = null)
							 | 
						|
								    {
							 | 
						|
								        return $this->A[$i][$j];
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    getMatrix
							 | 
						|
								     *
							 | 
						|
								     *    Get a submatrix
							 | 
						|
								     *    @param int $i0 Initial row index
							 | 
						|
								     *    @param int $iF Final row index
							 | 
						|
								     *    @param int $j0 Initial column index
							 | 
						|
								     *    @param int $jF Final column index
							 | 
						|
								     *    @return Matrix Submatrix
							 | 
						|
								     */
							 | 
						|
								    public function getMatrix()
							 | 
						|
								    {
							 | 
						|
								        if (func_num_args() > 0) {
							 | 
						|
								            $args = func_get_args();
							 | 
						|
								            $match = implode(",", array_map('gettype', $args));
							 | 
						|
								
							 | 
						|
								            switch ($match) {
							 | 
						|
								                //A($i0...; $j0...)
							 | 
						|
								                case 'integer,integer':
							 | 
						|
								                    list($i0, $j0) = $args;
							 | 
						|
								                    if ($i0 >= 0) {
							 | 
						|
								                        $m = $this->m - $i0;
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_BOUNDS_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                    if ($j0 >= 0) {
							 | 
						|
								                        $n = $this->n - $j0;
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_BOUNDS_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                    $R = new PHPExcel_Shared_JAMA_Matrix($m, $n);
							 | 
						|
								                    for ($i = $i0; $i < $this->m; ++$i) {
							 | 
						|
								                        for ($j = $j0; $j < $this->n; ++$j) {
							 | 
						|
								                            $R->set($i, $j, $this->A[$i][$j]);
							 | 
						|
								                        }
							 | 
						|
								                    }
							 | 
						|
								                    return $R;
							 | 
						|
								                    break;
							 | 
						|
								                //A($i0...$iF; $j0...$jF)
							 | 
						|
								                case 'integer,integer,integer,integer':
							 | 
						|
								                    list($i0, $iF, $j0, $jF) = $args;
							 | 
						|
								                    if (($iF > $i0) && ($this->m >= $iF) && ($i0 >= 0)) {
							 | 
						|
								                        $m = $iF - $i0;
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_BOUNDS_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                    if (($jF > $j0) && ($this->n >= $jF) && ($j0 >= 0)) {
							 | 
						|
								                        $n = $jF - $j0;
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_BOUNDS_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                    $R = new PHPExcel_Shared_JAMA_Matrix($m+1, $n+1);
							 | 
						|
								                    for ($i = $i0; $i <= $iF; ++$i) {
							 | 
						|
								                        for ($j = $j0; $j <= $jF; ++$j) {
							 | 
						|
								                            $R->set($i - $i0, $j - $j0, $this->A[$i][$j]);
							 | 
						|
								                        }
							 | 
						|
								                    }
							 | 
						|
								                    return $R;
							 | 
						|
								                    break;
							 | 
						|
								                //$R = array of row indices; $C = array of column indices
							 | 
						|
								                case 'array,array':
							 | 
						|
								                    list($RL, $CL) = $args;
							 | 
						|
								                    if (count($RL) > 0) {
							 | 
						|
								                        $m = count($RL);
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_BOUNDS_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                    if (count($CL) > 0) {
							 | 
						|
								                        $n = count($CL);
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_BOUNDS_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                    $R = new PHPExcel_Shared_JAMA_Matrix($m, $n);
							 | 
						|
								                    for ($i = 0; $i < $m; ++$i) {
							 | 
						|
								                        for ($j = 0; $j < $n; ++$j) {
							 | 
						|
								                            $R->set($i - $i0, $j - $j0, $this->A[$RL[$i]][$CL[$j]]);
							 | 
						|
								                        }
							 | 
						|
								                    }
							 | 
						|
								                    return $R;
							 | 
						|
								                    break;
							 | 
						|
								                //$RL = array of row indices; $CL = array of column indices
							 | 
						|
								                case 'array,array':
							 | 
						|
								                    list($RL, $CL) = $args;
							 | 
						|
								                    if (count($RL) > 0) {
							 | 
						|
								                        $m = count($RL);
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_BOUNDS_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                    if (count($CL) > 0) {
							 | 
						|
								                        $n = count($CL);
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_BOUNDS_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                    $R = new PHPExcel_Shared_JAMA_Matrix($m, $n);
							 | 
						|
								                    for ($i = 0; $i < $m; ++$i) {
							 | 
						|
								                        for ($j = 0; $j < $n; ++$j) {
							 | 
						|
								                            $R->set($i, $j, $this->A[$RL[$i]][$CL[$j]]);
							 | 
						|
								                        }
							 | 
						|
								                    }
							 | 
						|
								                    return $R;
							 | 
						|
								                    break;
							 | 
						|
								                //A($i0...$iF); $CL = array of column indices
							 | 
						|
								                case 'integer,integer,array':
							 | 
						|
								                    list($i0, $iF, $CL) = $args;
							 | 
						|
								                    if (($iF > $i0) && ($this->m >= $iF) && ($i0 >= 0)) {
							 | 
						|
								                        $m = $iF - $i0;
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_BOUNDS_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                    if (count($CL) > 0) {
							 | 
						|
								                        $n = count($CL);
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_BOUNDS_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                    $R = new PHPExcel_Shared_JAMA_Matrix($m, $n);
							 | 
						|
								                    for ($i = $i0; $i < $iF; ++$i) {
							 | 
						|
								                        for ($j = 0; $j < $n; ++$j) {
							 | 
						|
								                            $R->set($i - $i0, $j, $this->A[$RL[$i]][$j]);
							 | 
						|
								                        }
							 | 
						|
								                    }
							 | 
						|
								                    return $R;
							 | 
						|
								                    break;
							 | 
						|
								                //$RL = array of row indices
							 | 
						|
								                case 'array,integer,integer':
							 | 
						|
								                    list($RL, $j0, $jF) = $args;
							 | 
						|
								                    if (count($RL) > 0) {
							 | 
						|
								                        $m = count($RL);
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_BOUNDS_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                    if (($jF >= $j0) && ($this->n >= $jF) && ($j0 >= 0)) {
							 | 
						|
								                        $n = $jF - $j0;
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_BOUNDS_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                    $R = new PHPExcel_Shared_JAMA_Matrix($m, $n+1);
							 | 
						|
								                    for ($i = 0; $i < $m; ++$i) {
							 | 
						|
								                        for ($j = $j0; $j <= $jF; ++$j) {
							 | 
						|
								                            $R->set($i, $j - $j0, $this->A[$RL[$i]][$j]);
							 | 
						|
								                        }
							 | 
						|
								                    }
							 | 
						|
								                    return $R;
							 | 
						|
								                    break;
							 | 
						|
								                default:
							 | 
						|
								                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								                    break;
							 | 
						|
								            }
							 | 
						|
								        } else {
							 | 
						|
								            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								        }
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    checkMatrixDimensions
							 | 
						|
								     *
							 | 
						|
								     *    Is matrix B the same size?
							 | 
						|
								     *    @param Matrix $B Matrix B
							 | 
						|
								     *    @return boolean
							 | 
						|
								     */
							 | 
						|
								    public function checkMatrixDimensions($B = null)
							 | 
						|
								    {
							 | 
						|
								        if ($B instanceof PHPExcel_Shared_JAMA_Matrix) {
							 | 
						|
								            if (($this->m == $B->getRowDimension()) && ($this->n == $B->getColumnDimension())) {
							 | 
						|
								                return true;
							 | 
						|
								            } else {
							 | 
						|
								                throw new PHPExcel_Calculation_Exception(self::MATRIX_DIMENSION_EXCEPTION);
							 | 
						|
								            }
							 | 
						|
								        } else {
							 | 
						|
								            throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
							 | 
						|
								        }
							 | 
						|
								    }    //    function checkMatrixDimensions()
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    set
							 | 
						|
								     *
							 | 
						|
								     *    Set the i,j-th element of the matrix.
							 | 
						|
								     *    @param int $i Row position
							 | 
						|
								     *    @param int $j Column position
							 | 
						|
								     *    @param mixed $c Int/float/double value
							 | 
						|
								     *    @return mixed Element (int/float/double)
							 | 
						|
								     */
							 | 
						|
								    public function set($i = null, $j = null, $c = null)
							 | 
						|
								    {
							 | 
						|
								        // Optimized set version just has this
							 | 
						|
								        $this->A[$i][$j] = $c;
							 | 
						|
								    }    //    function set()
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    identity
							 | 
						|
								     *
							 | 
						|
								     *    Generate an identity matrix.
							 | 
						|
								     *    @param int $m Row dimension
							 | 
						|
								     *    @param int $n Column dimension
							 | 
						|
								     *    @return Matrix Identity matrix
							 | 
						|
								     */
							 | 
						|
								    public function identity($m = null, $n = null)
							 | 
						|
								    {
							 | 
						|
								        return $this->diagonal($m, $n, 1);
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    diagonal
							 | 
						|
								     *
							 | 
						|
								     *    Generate a diagonal matrix
							 | 
						|
								     *    @param int $m Row dimension
							 | 
						|
								     *    @param int $n Column dimension
							 | 
						|
								     *    @param mixed $c Diagonal value
							 | 
						|
								     *    @return Matrix Diagonal matrix
							 | 
						|
								     */
							 | 
						|
								    public function diagonal($m = null, $n = null, $c = 1)
							 | 
						|
								    {
							 | 
						|
								        $R = new PHPExcel_Shared_JAMA_Matrix($m, $n);
							 | 
						|
								        for ($i = 0; $i < $m; ++$i) {
							 | 
						|
								            $R->set($i, $i, $c);
							 | 
						|
								        }
							 | 
						|
								        return $R;
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    getMatrixByRow
							 | 
						|
								     *
							 | 
						|
								     *    Get a submatrix by row index/range
							 | 
						|
								     *    @param int $i0 Initial row index
							 | 
						|
								     *    @param int $iF Final row index
							 | 
						|
								     *    @return Matrix Submatrix
							 | 
						|
								     */
							 | 
						|
								    public function getMatrixByRow($i0 = null, $iF = null)
							 | 
						|
								    {
							 | 
						|
								        if (is_int($i0)) {
							 | 
						|
								            if (is_int($iF)) {
							 | 
						|
								                return $this->getMatrix($i0, 0, $iF + 1, $this->n);
							 | 
						|
								            } else {
							 | 
						|
								                return $this->getMatrix($i0, 0, $i0 + 1, $this->n);
							 | 
						|
								            }
							 | 
						|
								        } else {
							 | 
						|
								            throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
							 | 
						|
								        }
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    getMatrixByCol
							 | 
						|
								     *
							 | 
						|
								     *    Get a submatrix by column index/range
							 | 
						|
								     *    @param int $i0 Initial column index
							 | 
						|
								     *    @param int $iF Final column index
							 | 
						|
								     *    @return Matrix Submatrix
							 | 
						|
								     */
							 | 
						|
								    public function getMatrixByCol($j0 = null, $jF = null)
							 | 
						|
								    {
							 | 
						|
								        if (is_int($j0)) {
							 | 
						|
								            if (is_int($jF)) {
							 | 
						|
								                return $this->getMatrix(0, $j0, $this->m, $jF + 1);
							 | 
						|
								            } else {
							 | 
						|
								                return $this->getMatrix(0, $j0, $this->m, $j0 + 1);
							 | 
						|
								            }
							 | 
						|
								        } else {
							 | 
						|
								            throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
							 | 
						|
								        }
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    transpose
							 | 
						|
								     *
							 | 
						|
								     *    Tranpose matrix
							 | 
						|
								     *    @return Matrix Transposed matrix
							 | 
						|
								     */
							 | 
						|
								    public function transpose()
							 | 
						|
								    {
							 | 
						|
								        $R = new PHPExcel_Shared_JAMA_Matrix($this->n, $this->m);
							 | 
						|
								        for ($i = 0; $i < $this->m; ++$i) {
							 | 
						|
								            for ($j = 0; $j < $this->n; ++$j) {
							 | 
						|
								                $R->set($j, $i, $this->A[$i][$j]);
							 | 
						|
								            }
							 | 
						|
								        }
							 | 
						|
								        return $R;
							 | 
						|
								    }    //    function transpose()
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    trace
							 | 
						|
								     *
							 | 
						|
								     *    Sum of diagonal elements
							 | 
						|
								     *    @return float Sum of diagonal elements
							 | 
						|
								     */
							 | 
						|
								    public function trace()
							 | 
						|
								    {
							 | 
						|
								        $s = 0;
							 | 
						|
								        $n = min($this->m, $this->n);
							 | 
						|
								        for ($i = 0; $i < $n; ++$i) {
							 | 
						|
								            $s += $this->A[$i][$i];
							 | 
						|
								        }
							 | 
						|
								        return $s;
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    uminus
							 | 
						|
								     *
							 | 
						|
								     *    Unary minus matrix -A
							 | 
						|
								     *    @return Matrix Unary minus matrix
							 | 
						|
								     */
							 | 
						|
								    public function uminus()
							 | 
						|
								    {
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    plus
							 | 
						|
								     *
							 | 
						|
								     *    A + B
							 | 
						|
								     *    @param mixed $B Matrix/Array
							 | 
						|
								     *    @return Matrix Sum
							 | 
						|
								     */
							 | 
						|
								    public function plus()
							 | 
						|
								    {
							 | 
						|
								        if (func_num_args() > 0) {
							 | 
						|
								            $args = func_get_args();
							 | 
						|
								            $match = implode(",", array_map('gettype', $args));
							 | 
						|
								
							 | 
						|
								            switch ($match) {
							 | 
						|
								                case 'object':
							 | 
						|
								                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
							 | 
						|
								                        $M = $args[0];
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                    break;
							 | 
						|
								                case 'array':
							 | 
						|
								                    $M = new PHPExcel_Shared_JAMA_Matrix($args[0]);
							 | 
						|
								                    break;
							 | 
						|
								                default:
							 | 
						|
								                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								                    break;
							 | 
						|
								            }
							 | 
						|
								            $this->checkMatrixDimensions($M);
							 | 
						|
								            for ($i = 0; $i < $this->m; ++$i) {
							 | 
						|
								                for ($j = 0; $j < $this->n; ++$j) {
							 | 
						|
								                    $M->set($i, $j, $M->get($i, $j) + $this->A[$i][$j]);
							 | 
						|
								                }
							 | 
						|
								            }
							 | 
						|
								            return $M;
							 | 
						|
								        } else {
							 | 
						|
								            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								        }
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    plusEquals
							 | 
						|
								     *
							 | 
						|
								     *    A = A + B
							 | 
						|
								     *    @param mixed $B Matrix/Array
							 | 
						|
								     *    @return Matrix Sum
							 | 
						|
								     */
							 | 
						|
								    public function plusEquals()
							 | 
						|
								    {
							 | 
						|
								        if (func_num_args() > 0) {
							 | 
						|
								            $args = func_get_args();
							 | 
						|
								            $match = implode(",", array_map('gettype', $args));
							 | 
						|
								
							 | 
						|
								            switch ($match) {
							 | 
						|
								                case 'object':
							 | 
						|
								                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
							 | 
						|
								                        $M = $args[0];
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                    break;
							 | 
						|
								                case 'array':
							 | 
						|
								                    $M = new PHPExcel_Shared_JAMA_Matrix($args[0]);
							 | 
						|
								                    break;
							 | 
						|
								                default:
							 | 
						|
								                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								                    break;
							 | 
						|
								            }
							 | 
						|
								            $this->checkMatrixDimensions($M);
							 | 
						|
								            for ($i = 0; $i < $this->m; ++$i) {
							 | 
						|
								                for ($j = 0; $j < $this->n; ++$j) {
							 | 
						|
								                    $validValues = true;
							 | 
						|
								                    $value = $M->get($i, $j);
							 | 
						|
								                    if ((is_string($this->A[$i][$j])) && (strlen($this->A[$i][$j]) > 0) && (!is_numeric($this->A[$i][$j]))) {
							 | 
						|
								                        $this->A[$i][$j] = trim($this->A[$i][$j], '"');
							 | 
						|
								                        $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($this->A[$i][$j]);
							 | 
						|
								                    }
							 | 
						|
								                    if ((is_string($value)) && (strlen($value) > 0) && (!is_numeric($value))) {
							 | 
						|
								                        $value = trim($value, '"');
							 | 
						|
								                        $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($value);
							 | 
						|
								                    }
							 | 
						|
								                    if ($validValues) {
							 | 
						|
								                        $this->A[$i][$j] += $value;
							 | 
						|
								                    } else {
							 | 
						|
								                        $this->A[$i][$j] = PHPExcel_Calculation_Functions::NaN();
							 | 
						|
								                    }
							 | 
						|
								                }
							 | 
						|
								            }
							 | 
						|
								            return $this;
							 | 
						|
								        } else {
							 | 
						|
								            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								        }
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    minus
							 | 
						|
								     *
							 | 
						|
								     *    A - B
							 | 
						|
								     *    @param mixed $B Matrix/Array
							 | 
						|
								     *    @return Matrix Sum
							 | 
						|
								     */
							 | 
						|
								    public function minus()
							 | 
						|
								    {
							 | 
						|
								        if (func_num_args() > 0) {
							 | 
						|
								            $args = func_get_args();
							 | 
						|
								            $match = implode(",", array_map('gettype', $args));
							 | 
						|
								
							 | 
						|
								            switch ($match) {
							 | 
						|
								                case 'object':
							 | 
						|
								                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
							 | 
						|
								                        $M = $args[0];
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                    break;
							 | 
						|
								                case 'array':
							 | 
						|
								                    $M = new PHPExcel_Shared_JAMA_Matrix($args[0]);
							 | 
						|
								                    break;
							 | 
						|
								                default:
							 | 
						|
								                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								                    break;
							 | 
						|
								            }
							 | 
						|
								            $this->checkMatrixDimensions($M);
							 | 
						|
								            for ($i = 0; $i < $this->m; ++$i) {
							 | 
						|
								                for ($j = 0; $j < $this->n; ++$j) {
							 | 
						|
								                    $M->set($i, $j, $M->get($i, $j) - $this->A[$i][$j]);
							 | 
						|
								                }
							 | 
						|
								            }
							 | 
						|
								            return $M;
							 | 
						|
								        } else {
							 | 
						|
								            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								        }
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    minusEquals
							 | 
						|
								     *
							 | 
						|
								     *    A = A - B
							 | 
						|
								     *    @param mixed $B Matrix/Array
							 | 
						|
								     *    @return Matrix Sum
							 | 
						|
								     */
							 | 
						|
								    public function minusEquals()
							 | 
						|
								    {
							 | 
						|
								        if (func_num_args() > 0) {
							 | 
						|
								            $args = func_get_args();
							 | 
						|
								            $match = implode(",", array_map('gettype', $args));
							 | 
						|
								
							 | 
						|
								            switch ($match) {
							 | 
						|
								                case 'object':
							 | 
						|
								                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
							 | 
						|
								                        $M = $args[0];
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                    break;
							 | 
						|
								                case 'array':
							 | 
						|
								                    $M = new PHPExcel_Shared_JAMA_Matrix($args[0]);
							 | 
						|
								                    break;
							 | 
						|
								                default:
							 | 
						|
								                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								                    break;
							 | 
						|
								            }
							 | 
						|
								            $this->checkMatrixDimensions($M);
							 | 
						|
								            for ($i = 0; $i < $this->m; ++$i) {
							 | 
						|
								                for ($j = 0; $j < $this->n; ++$j) {
							 | 
						|
								                    $validValues = true;
							 | 
						|
								                    $value = $M->get($i, $j);
							 | 
						|
								                    if ((is_string($this->A[$i][$j])) && (strlen($this->A[$i][$j]) > 0) && (!is_numeric($this->A[$i][$j]))) {
							 | 
						|
								                        $this->A[$i][$j] = trim($this->A[$i][$j], '"');
							 | 
						|
								                        $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($this->A[$i][$j]);
							 | 
						|
								                    }
							 | 
						|
								                    if ((is_string($value)) && (strlen($value) > 0) && (!is_numeric($value))) {
							 | 
						|
								                        $value = trim($value, '"');
							 | 
						|
								                        $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($value);
							 | 
						|
								                    }
							 | 
						|
								                    if ($validValues) {
							 | 
						|
								                        $this->A[$i][$j] -= $value;
							 | 
						|
								                    } else {
							 | 
						|
								                        $this->A[$i][$j] = PHPExcel_Calculation_Functions::NaN();
							 | 
						|
								                    }
							 | 
						|
								                }
							 | 
						|
								            }
							 | 
						|
								            return $this;
							 | 
						|
								        } else {
							 | 
						|
								            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								        }
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    arrayTimes
							 | 
						|
								     *
							 | 
						|
								     *    Element-by-element multiplication
							 | 
						|
								     *    Cij = Aij * Bij
							 | 
						|
								     *    @param mixed $B Matrix/Array
							 | 
						|
								     *    @return Matrix Matrix Cij
							 | 
						|
								     */
							 | 
						|
								    public function arrayTimes()
							 | 
						|
								    {
							 | 
						|
								        if (func_num_args() > 0) {
							 | 
						|
								            $args = func_get_args();
							 | 
						|
								            $match = implode(",", array_map('gettype', $args));
							 | 
						|
								
							 | 
						|
								            switch ($match) {
							 | 
						|
								                case 'object':
							 | 
						|
								                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
							 | 
						|
								                        $M = $args[0];
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                    break;
							 | 
						|
								                case 'array':
							 | 
						|
								                    $M = new PHPExcel_Shared_JAMA_Matrix($args[0]);
							 | 
						|
								                    break;
							 | 
						|
								                default:
							 | 
						|
								                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								                    break;
							 | 
						|
								            }
							 | 
						|
								            $this->checkMatrixDimensions($M);
							 | 
						|
								            for ($i = 0; $i < $this->m; ++$i) {
							 | 
						|
								                for ($j = 0; $j < $this->n; ++$j) {
							 | 
						|
								                    $M->set($i, $j, $M->get($i, $j) * $this->A[$i][$j]);
							 | 
						|
								                }
							 | 
						|
								            }
							 | 
						|
								            return $M;
							 | 
						|
								        } else {
							 | 
						|
								            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								        }
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    arrayTimesEquals
							 | 
						|
								     *
							 | 
						|
								     *    Element-by-element multiplication
							 | 
						|
								     *    Aij = Aij * Bij
							 | 
						|
								     *    @param mixed $B Matrix/Array
							 | 
						|
								     *    @return Matrix Matrix Aij
							 | 
						|
								     */
							 | 
						|
								    public function arrayTimesEquals()
							 | 
						|
								    {
							 | 
						|
								        if (func_num_args() > 0) {
							 | 
						|
								            $args = func_get_args();
							 | 
						|
								            $match = implode(",", array_map('gettype', $args));
							 | 
						|
								
							 | 
						|
								            switch ($match) {
							 | 
						|
								                case 'object':
							 | 
						|
								                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
							 | 
						|
								                        $M = $args[0];
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                    break;
							 | 
						|
								                case 'array':
							 | 
						|
								                    $M = new PHPExcel_Shared_JAMA_Matrix($args[0]);
							 | 
						|
								                    break;
							 | 
						|
								                default:
							 | 
						|
								                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								                    break;
							 | 
						|
								            }
							 | 
						|
								            $this->checkMatrixDimensions($M);
							 | 
						|
								            for ($i = 0; $i < $this->m; ++$i) {
							 | 
						|
								                for ($j = 0; $j < $this->n; ++$j) {
							 | 
						|
								                    $validValues = true;
							 | 
						|
								                    $value = $M->get($i, $j);
							 | 
						|
								                    if ((is_string($this->A[$i][$j])) && (strlen($this->A[$i][$j]) > 0) && (!is_numeric($this->A[$i][$j]))) {
							 | 
						|
								                        $this->A[$i][$j] = trim($this->A[$i][$j], '"');
							 | 
						|
								                        $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($this->A[$i][$j]);
							 | 
						|
								                    }
							 | 
						|
								                    if ((is_string($value)) && (strlen($value) > 0) && (!is_numeric($value))) {
							 | 
						|
								                        $value = trim($value, '"');
							 | 
						|
								                        $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($value);
							 | 
						|
								                    }
							 | 
						|
								                    if ($validValues) {
							 | 
						|
								                        $this->A[$i][$j] *= $value;
							 | 
						|
								                    } else {
							 | 
						|
								                        $this->A[$i][$j] = PHPExcel_Calculation_Functions::NaN();
							 | 
						|
								                    }
							 | 
						|
								                }
							 | 
						|
								            }
							 | 
						|
								            return $this;
							 | 
						|
								        } else {
							 | 
						|
								            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								        }
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    arrayRightDivide
							 | 
						|
								     *
							 | 
						|
								     *    Element-by-element right division
							 | 
						|
								     *    A / B
							 | 
						|
								     *    @param Matrix $B Matrix B
							 | 
						|
								     *    @return Matrix Division result
							 | 
						|
								     */
							 | 
						|
								    public function arrayRightDivide()
							 | 
						|
								    {
							 | 
						|
								        if (func_num_args() > 0) {
							 | 
						|
								            $args = func_get_args();
							 | 
						|
								            $match = implode(",", array_map('gettype', $args));
							 | 
						|
								
							 | 
						|
								            switch ($match) {
							 | 
						|
								                case 'object':
							 | 
						|
								                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
							 | 
						|
								                        $M = $args[0];
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                    break;
							 | 
						|
								                case 'array':
							 | 
						|
								                    $M = new PHPExcel_Shared_JAMA_Matrix($args[0]);
							 | 
						|
								                    break;
							 | 
						|
								                default:
							 | 
						|
								                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								                    break;
							 | 
						|
								            }
							 | 
						|
								            $this->checkMatrixDimensions($M);
							 | 
						|
								            for ($i = 0; $i < $this->m; ++$i) {
							 | 
						|
								                for ($j = 0; $j < $this->n; ++$j) {
							 | 
						|
								                    $validValues = true;
							 | 
						|
								                    $value = $M->get($i, $j);
							 | 
						|
								                    if ((is_string($this->A[$i][$j])) && (strlen($this->A[$i][$j]) > 0) && (!is_numeric($this->A[$i][$j]))) {
							 | 
						|
								                        $this->A[$i][$j] = trim($this->A[$i][$j], '"');
							 | 
						|
								                        $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($this->A[$i][$j]);
							 | 
						|
								                    }
							 | 
						|
								                    if ((is_string($value)) && (strlen($value) > 0) && (!is_numeric($value))) {
							 | 
						|
								                        $value = trim($value, '"');
							 | 
						|
								                        $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($value);
							 | 
						|
								                    }
							 | 
						|
								                    if ($validValues) {
							 | 
						|
								                        if ($value == 0) {
							 | 
						|
								                            //    Trap for Divide by Zero error
							 | 
						|
								                            $M->set($i, $j, '#DIV/0!');
							 | 
						|
								                        } else {
							 | 
						|
								                            $M->set($i, $j, $this->A[$i][$j] / $value);
							 | 
						|
								                        }
							 | 
						|
								                    } else {
							 | 
						|
								                        $M->set($i, $j, PHPExcel_Calculation_Functions::NaN());
							 | 
						|
								                    }
							 | 
						|
								                }
							 | 
						|
								            }
							 | 
						|
								            return $M;
							 | 
						|
								        } else {
							 | 
						|
								            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								        }
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    arrayRightDivideEquals
							 | 
						|
								     *
							 | 
						|
								     *    Element-by-element right division
							 | 
						|
								     *    Aij = Aij / Bij
							 | 
						|
								     *    @param mixed $B Matrix/Array
							 | 
						|
								     *    @return Matrix Matrix Aij
							 | 
						|
								     */
							 | 
						|
								    public function arrayRightDivideEquals()
							 | 
						|
								    {
							 | 
						|
								        if (func_num_args() > 0) {
							 | 
						|
								            $args = func_get_args();
							 | 
						|
								            $match = implode(",", array_map('gettype', $args));
							 | 
						|
								
							 | 
						|
								            switch ($match) {
							 | 
						|
								                case 'object':
							 | 
						|
								                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
							 | 
						|
								                        $M = $args[0];
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                    break;
							 | 
						|
								                case 'array':
							 | 
						|
								                    $M = new PHPExcel_Shared_JAMA_Matrix($args[0]);
							 | 
						|
								                    break;
							 | 
						|
								                default:
							 | 
						|
								                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								                    break;
							 | 
						|
								            }
							 | 
						|
								            $this->checkMatrixDimensions($M);
							 | 
						|
								            for ($i = 0; $i < $this->m; ++$i) {
							 | 
						|
								                for ($j = 0; $j < $this->n; ++$j) {
							 | 
						|
								                    $this->A[$i][$j] = $this->A[$i][$j] / $M->get($i, $j);
							 | 
						|
								                }
							 | 
						|
								            }
							 | 
						|
								            return $M;
							 | 
						|
								        } else {
							 | 
						|
								            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								        }
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    arrayLeftDivide
							 | 
						|
								     *
							 | 
						|
								     *    Element-by-element Left division
							 | 
						|
								     *    A / B
							 | 
						|
								     *    @param Matrix $B Matrix B
							 | 
						|
								     *    @return Matrix Division result
							 | 
						|
								     */
							 | 
						|
								    public function arrayLeftDivide()
							 | 
						|
								    {
							 | 
						|
								        if (func_num_args() > 0) {
							 | 
						|
								            $args = func_get_args();
							 | 
						|
								            $match = implode(",", array_map('gettype', $args));
							 | 
						|
								
							 | 
						|
								            switch ($match) {
							 | 
						|
								                case 'object':
							 | 
						|
								                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
							 | 
						|
								                        $M = $args[0];
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                    break;
							 | 
						|
								                case 'array':
							 | 
						|
								                    $M = new PHPExcel_Shared_JAMA_Matrix($args[0]);
							 | 
						|
								                    break;
							 | 
						|
								                default:
							 | 
						|
								                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								                    break;
							 | 
						|
								            }
							 | 
						|
								            $this->checkMatrixDimensions($M);
							 | 
						|
								            for ($i = 0; $i < $this->m; ++$i) {
							 | 
						|
								                for ($j = 0; $j < $this->n; ++$j) {
							 | 
						|
								                    $M->set($i, $j, $M->get($i, $j) / $this->A[$i][$j]);
							 | 
						|
								                }
							 | 
						|
								            }
							 | 
						|
								            return $M;
							 | 
						|
								        } else {
							 | 
						|
								            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								        }
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    arrayLeftDivideEquals
							 | 
						|
								     *
							 | 
						|
								     *    Element-by-element Left division
							 | 
						|
								     *    Aij = Aij / Bij
							 | 
						|
								     *    @param mixed $B Matrix/Array
							 | 
						|
								     *    @return Matrix Matrix Aij
							 | 
						|
								     */
							 | 
						|
								    public function arrayLeftDivideEquals()
							 | 
						|
								    {
							 | 
						|
								        if (func_num_args() > 0) {
							 | 
						|
								            $args = func_get_args();
							 | 
						|
								            $match = implode(",", array_map('gettype', $args));
							 | 
						|
								
							 | 
						|
								            switch ($match) {
							 | 
						|
								                case 'object':
							 | 
						|
								                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
							 | 
						|
								                        $M = $args[0];
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                    break;
							 | 
						|
								                case 'array':
							 | 
						|
								                    $M = new PHPExcel_Shared_JAMA_Matrix($args[0]);
							 | 
						|
								                    break;
							 | 
						|
								                default:
							 | 
						|
								                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								                    break;
							 | 
						|
								            }
							 | 
						|
								            $this->checkMatrixDimensions($M);
							 | 
						|
								            for ($i = 0; $i < $this->m; ++$i) {
							 | 
						|
								                for ($j = 0; $j < $this->n; ++$j) {
							 | 
						|
								                    $this->A[$i][$j] = $M->get($i, $j) / $this->A[$i][$j];
							 | 
						|
								                }
							 | 
						|
								            }
							 | 
						|
								            return $M;
							 | 
						|
								        } else {
							 | 
						|
								            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								        }
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    times
							 | 
						|
								     *
							 | 
						|
								     *    Matrix multiplication
							 | 
						|
								     *    @param mixed $n Matrix/Array/Scalar
							 | 
						|
								     *    @return Matrix Product
							 | 
						|
								     */
							 | 
						|
								    public function times()
							 | 
						|
								    {
							 | 
						|
								        if (func_num_args() > 0) {
							 | 
						|
								            $args  = func_get_args();
							 | 
						|
								            $match = implode(",", array_map('gettype', $args));
							 | 
						|
								
							 | 
						|
								            switch ($match) {
							 | 
						|
								                case 'object':
							 | 
						|
								                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
							 | 
						|
								                        $B = $args[0];
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                    if ($this->n == $B->m) {
							 | 
						|
								                        $C = new PHPExcel_Shared_JAMA_Matrix($this->m, $B->n);
							 | 
						|
								                        for ($j = 0; $j < $B->n; ++$j) {
							 | 
						|
								                            for ($k = 0; $k < $this->n; ++$k) {
							 | 
						|
								                                $Bcolj[$k] = $B->A[$k][$j];
							 | 
						|
								                            }
							 | 
						|
								                            for ($i = 0; $i < $this->m; ++$i) {
							 | 
						|
								                                $Arowi = $this->A[$i];
							 | 
						|
								                                $s = 0;
							 | 
						|
								                                for ($k = 0; $k < $this->n; ++$k) {
							 | 
						|
								                                    $s += $Arowi[$k] * $Bcolj[$k];
							 | 
						|
								                                }
							 | 
						|
								                                $C->A[$i][$j] = $s;
							 | 
						|
								                            }
							 | 
						|
								                        }
							 | 
						|
								                        return $C;
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(JAMAError(MatrixDimensionMismatch));
							 | 
						|
								                    }
							 | 
						|
								                    break;
							 | 
						|
								                case 'array':
							 | 
						|
								                    $B = new PHPExcel_Shared_JAMA_Matrix($args[0]);
							 | 
						|
								                    if ($this->n == $B->m) {
							 | 
						|
								                        $C = new PHPExcel_Shared_JAMA_Matrix($this->m, $B->n);
							 | 
						|
								                        for ($i = 0; $i < $C->m; ++$i) {
							 | 
						|
								                            for ($j = 0; $j < $C->n; ++$j) {
							 | 
						|
								                                $s = "0";
							 | 
						|
								                                for ($k = 0; $k < $C->n; ++$k) {
							 | 
						|
								                                    $s += $this->A[$i][$k] * $B->A[$k][$j];
							 | 
						|
								                                }
							 | 
						|
								                                $C->A[$i][$j] = $s;
							 | 
						|
								                            }
							 | 
						|
								                        }
							 | 
						|
								                        return $C;
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(JAMAError(MatrixDimensionMismatch));
							 | 
						|
								                    }
							 | 
						|
								                    return $M;
							 | 
						|
								                    break;
							 | 
						|
								                case 'integer':
							 | 
						|
								                    $C = new PHPExcel_Shared_JAMA_Matrix($this->A);
							 | 
						|
								                    for ($i = 0; $i < $C->m; ++$i) {
							 | 
						|
								                        for ($j = 0; $j < $C->n; ++$j) {
							 | 
						|
								                            $C->A[$i][$j] *= $args[0];
							 | 
						|
								                        }
							 | 
						|
								                    }
							 | 
						|
								                    return $C;
							 | 
						|
								                    break;
							 | 
						|
								                case 'double':
							 | 
						|
								                    $C = new PHPExcel_Shared_JAMA_Matrix($this->m, $this->n);
							 | 
						|
								                    for ($i = 0; $i < $C->m; ++$i) {
							 | 
						|
								                        for ($j = 0; $j < $C->n; ++$j) {
							 | 
						|
								                            $C->A[$i][$j] = $args[0] * $this->A[$i][$j];
							 | 
						|
								                        }
							 | 
						|
								                    }
							 | 
						|
								                    return $C;
							 | 
						|
								                    break;
							 | 
						|
								                case 'float':
							 | 
						|
								                    $C = new PHPExcel_Shared_JAMA_Matrix($this->A);
							 | 
						|
								                    for ($i = 0; $i < $C->m; ++$i) {
							 | 
						|
								                        for ($j = 0; $j < $C->n; ++$j) {
							 | 
						|
								                            $C->A[$i][$j] *= $args[0];
							 | 
						|
								                        }
							 | 
						|
								                    }
							 | 
						|
								                    return $C;
							 | 
						|
								                    break;
							 | 
						|
								                default:
							 | 
						|
								                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								                    break;
							 | 
						|
								            }
							 | 
						|
								        } else {
							 | 
						|
								            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								        }
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    power
							 | 
						|
								     *
							 | 
						|
								     *    A = A ^ B
							 | 
						|
								     *    @param mixed $B Matrix/Array
							 | 
						|
								     *    @return Matrix Sum
							 | 
						|
								     */
							 | 
						|
								    public function power()
							 | 
						|
								    {
							 | 
						|
								        if (func_num_args() > 0) {
							 | 
						|
								            $args = func_get_args();
							 | 
						|
								            $match = implode(",", array_map('gettype', $args));
							 | 
						|
								
							 | 
						|
								            switch ($match) {
							 | 
						|
								                case 'object':
							 | 
						|
								                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
							 | 
						|
								                        $M = $args[0];
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                    break;
							 | 
						|
								                case 'array':
							 | 
						|
								                    $M = new PHPExcel_Shared_JAMA_Matrix($args[0]);
							 | 
						|
								                    break;
							 | 
						|
								                default:
							 | 
						|
								                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								                    break;
							 | 
						|
								            }
							 | 
						|
								            $this->checkMatrixDimensions($M);
							 | 
						|
								            for ($i = 0; $i < $this->m; ++$i) {
							 | 
						|
								                for ($j = 0; $j < $this->n; ++$j) {
							 | 
						|
								                    $validValues = true;
							 | 
						|
								                    $value = $M->get($i, $j);
							 | 
						|
								                    if ((is_string($this->A[$i][$j])) && (strlen($this->A[$i][$j]) > 0) && (!is_numeric($this->A[$i][$j]))) {
							 | 
						|
								                        $this->A[$i][$j] = trim($this->A[$i][$j], '"');
							 | 
						|
								                        $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($this->A[$i][$j]);
							 | 
						|
								                    }
							 | 
						|
								                    if ((is_string($value)) && (strlen($value) > 0) && (!is_numeric($value))) {
							 | 
						|
								                        $value = trim($value, '"');
							 | 
						|
								                        $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($value);
							 | 
						|
								                    }
							 | 
						|
								                    if ($validValues) {
							 | 
						|
								                        $this->A[$i][$j] = pow($this->A[$i][$j], $value);
							 | 
						|
								                    } else {
							 | 
						|
								                        $this->A[$i][$j] = PHPExcel_Calculation_Functions::NaN();
							 | 
						|
								                    }
							 | 
						|
								                }
							 | 
						|
								            }
							 | 
						|
								            return $this;
							 | 
						|
								        } else {
							 | 
						|
								            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								        }
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    concat
							 | 
						|
								     *
							 | 
						|
								     *    A = A & B
							 | 
						|
								     *    @param mixed $B Matrix/Array
							 | 
						|
								     *    @return Matrix Sum
							 | 
						|
								     */
							 | 
						|
								    public function concat()
							 | 
						|
								    {
							 | 
						|
								        if (func_num_args() > 0) {
							 | 
						|
								            $args = func_get_args();
							 | 
						|
								            $match = implode(",", array_map('gettype', $args));
							 | 
						|
								
							 | 
						|
								            switch ($match) {
							 | 
						|
								                case 'object':
							 | 
						|
								                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
							 | 
						|
								                        $M = $args[0];
							 | 
						|
								                    } else {
							 | 
						|
								                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
							 | 
						|
								                    }
							 | 
						|
								                case 'array':
							 | 
						|
								                    $M = new PHPExcel_Shared_JAMA_Matrix($args[0]);
							 | 
						|
								                    break;
							 | 
						|
								                default:
							 | 
						|
								                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								                    break;
							 | 
						|
								            }
							 | 
						|
								            $this->checkMatrixDimensions($M);
							 | 
						|
								            for ($i = 0; $i < $this->m; ++$i) {
							 | 
						|
								                for ($j = 0; $j < $this->n; ++$j) {
							 | 
						|
								                    $this->A[$i][$j] = trim($this->A[$i][$j], '"').trim($M->get($i, $j), '"');
							 | 
						|
								                }
							 | 
						|
								            }
							 | 
						|
								            return $this;
							 | 
						|
								        } else {
							 | 
						|
								            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
							 | 
						|
								        }
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    Solve A*X = B.
							 | 
						|
								     *
							 | 
						|
								     *    @param Matrix $B Right hand side
							 | 
						|
								     *    @return Matrix ... Solution if A is square, least squares solution otherwise
							 | 
						|
								     */
							 | 
						|
								    public function solve($B)
							 | 
						|
								    {
							 | 
						|
								        if ($this->m == $this->n) {
							 | 
						|
								            $LU = new PHPExcel_Shared_JAMA_LUDecomposition($this);
							 | 
						|
								            return $LU->solve($B);
							 | 
						|
								        } else {
							 | 
						|
								            $QR = new PHPExcel_Shared_JAMA_QRDecomposition($this);
							 | 
						|
								            return $QR->solve($B);
							 | 
						|
								        }
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    Matrix inverse or pseudoinverse.
							 | 
						|
								     *
							 | 
						|
								     *    @return Matrix ... Inverse(A) if A is square, pseudoinverse otherwise.
							 | 
						|
								     */
							 | 
						|
								    public function inverse()
							 | 
						|
								    {
							 | 
						|
								        return $this->solve($this->identity($this->m, $this->m));
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								    /**
							 | 
						|
								     *    det
							 | 
						|
								     *
							 | 
						|
								     *    Calculate determinant
							 | 
						|
								     *    @return float Determinant
							 | 
						|
								     */
							 | 
						|
								    public function det()
							 | 
						|
								    {
							 | 
						|
								        $L = new PHPExcel_Shared_JAMA_LUDecomposition($this);
							 | 
						|
								        return $L->det();
							 | 
						|
								    }
							 | 
						|
								}
							 |