FM / Operators

/var/www/vhosts/ihelp.ro/httpdocs/vendor/markbaker/matrix/classes/src/Operators/

/var/www/vhosts/ihelp.ro/httpdocs/vendor/markbaker/matrix/classes/src/Operators

Name	Size	Mode	Actions
Addition.php	2048	0644	edit dl rm
DirectSum.php	1919	0644	edit dl rm
Division.php	1005	0644	edit dl rm
Multiplication.php	2916	0644	edit dl rm
Operator.php	2001	0644	edit dl rm
Subtraction.php	2112	0644	edit dl rm

Edit: /var/www/vhosts/ihelp.ro/httpdocs/vendor/markbaker/matrix/classes/src/Operators/Subtraction.php (2112B)

<?php

namespace Matrix\Operators;

use Matrix\Matrix;
use Matrix\Exception;

class Subtraction extends Operator
{
    /**
     * Execute the subtraction
     *
     * @param mixed $value The matrix or numeric value to subtract from the current base value
     * @throws Exception If the provided argument is not appropriate for the operation
     * @return $this The operation object, allowing multiple subtractions to be chained
     **/
    public function execute($value): Operator
    {
        if (is_array($value)) {
            $value = new Matrix($value);
        }

if (is_object($value) && ($value instanceof Matrix)) {
            return $this->subtractMatrix($value);
        } elseif (is_numeric($value)) {
            return $this->subtractScalar($value);
        }

throw new Exception('Invalid argument for subtraction');
    }

/**
     * Execute the subtraction for a scalar
     *
     * @param mixed $value The numeric value to subtracted from the current base value
     * @return $this The operation object, allowing multiple additions to be chained
     **/
    protected function subtractScalar($value): Operator
    {
        for ($row = 0; $row < $this->rows; ++$row) {
            for ($column = 0; $column < $this->columns; ++$column) {
                $this->matrix[$row][$column] -= $value;
            }
        }

return $this;
    }

/**
     * Execute the subtraction for a matrix
     *
     * @param Matrix $value The numeric value to subtract from the current base value
     * @return $this The operation object, allowing multiple subtractions to be chained
     * @throws Exception If the provided argument is not appropriate for the operation
     **/
    protected function subtractMatrix(Matrix $value): Operator
    {
        $this->validateMatchingDimensions($value);

for ($row = 0; $row < $this->rows; ++$row) {
            for ($column = 0; $column < $this->columns; ++$column) {
                $this->matrix[$row][$column] -= $value->getValue($row + 1, $column + 1);
            }
        }

return $this;
    }
}

cmd: