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Long Term Support Release

  • Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
  • Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
  • PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.
<?php

namespace Matrix\Operators;

> use Matrix\Div0Exception; use \Matrix\Matrix; > use Matrix\Exception;
use \Matrix\Functions;
< use Matrix\Exception;
class Division extends Multiplication { /** * Execute the division * * @param mixed $value The matrix or numeric value to divide the current base value by * @throws Exception If the provided argument is not appropriate for the operation * @return $this The operation object, allowing multiple divisions to be chained **/
< public function execute($value): Operator
> public function execute($value, string $type = 'division'): Operator
{ if (is_array($value)) { $value = new Matrix($value); } if (is_object($value) && ($value instanceof Matrix)) {
< try { < $value = Functions::inverse($value); < } catch (Exception $e) { < throw new Exception('Division can only be calculated using a matrix with a non-zero determinant'); < }
> $value = Functions::inverse($value, $type);
< return $this->multiplyMatrix($value);
> return $this->multiplyMatrix($value, $type);
} elseif (is_numeric($value)) {
< return $this->multiplyScalar(1 / $value);
> return $this->multiplyScalar(1 / $value, $type);
} throw new Exception('Invalid argument for division'); } }