protected static function getMinors(Matrix $matrix)
    {
        $minors = $matrix->toArray();
        $dimensions = $matrix->rows;
        if ($dimensions == 1) {
            return $minors;
        }

        for ($i = 0; $i < $dimensions; ++$i) {
            for ($j = 0; $j < $dimensions; ++$j) {
                $minors[$i][$j] = self::getDeterminantSegment($matrix, $i, $j);
            }
        }

        return $minors;
    }