MathPHP\LinearAlgebra\Matrix::get PHP Method

    public function get(int $i, int $j)
    {
        if ($i >= $this->m) {
            throw new Exception\MatrixException("Row {$i} does not exist");
        }
        if ($j >= $this->n) {
            throw new Exception\MatrixException("Column {$j} does not exist");
        }
        return $this->A[$i][$j];
    }