FM / Operators

/home/techb158/ileadtechnology.com/SSM/vendor/markbaker/matrix/classes/src/Operators/

/home/techb158/ileadtechnology.com/SSM/vendor/markbaker/matrix/classes/src/Operators

Name	Size	Mode	Actions
Addition.php	2018	0644	edit dl rm
DirectSum.php	1899	0644	edit dl rm
Division.php	1109	0644	edit dl rm
Multiplication.php	2475	0644	edit dl rm
Operator.php	1981	0644	edit dl rm
Subtraction.php	2082	0644	edit dl rm

Edit: /home/techb158/ileadtechnology.com/SSM/vendor/markbaker/matrix/classes/src/Operators/DirectSum.php (1899B)

<?php

namespace Matrix\Operators;

use Matrix\Matrix;
use Matrix\Exception;

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

if ($value instanceof Matrix) {
            return $this->directSumMatrix($value);
        }

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

/**
     * Execute the direct sum for a matrix
     *
     * @param Matrix $value The numeric value to concatenate/direct sum with the current base value
     * @return $this The operation object, allowing multiple additions to be chained
     **/
    private function directSumMatrix($value)
    {
        $originalColumnCount = count($this->matrix[0]);
        $originalRowCount = count($this->matrix);
        $valColumnCount = $value->columns;
        $valRowCount = $value->rows;
        $value = $value->toArray();

for ($row = 0; $row < $this->rows; ++$row) {
            $this->matrix[$row] = array_merge($this->matrix[$row], array_fill(0, $valColumnCount, 0));
        }

$this->matrix = array_merge(
            $this->matrix,
            array_fill(0, $valRowCount, array_fill(0, $originalColumnCount, 0))
        );

for ($row = $originalRowCount; $row < $originalRowCount + $valRowCount; ++$row) {
            array_splice(
                $this->matrix[$row],
                $originalColumnCount,
                $valColumnCount,
                $value[$row - $originalRowCount]
            );
        }

return $this;
    }
}

cmd: