Previous Up Next

5.27.4  Cardinal sine function: sinc

The sinc command takes an expression x as its only argument and returns the value of sinc function at x , defined by

sinc(x)=






sin(x)
x
,
x≠ 0,
1,x=0.

For example, input:

sinc(pi*x)

Output:

sin(pi*x)/(pi*x)

Input:

sinc(0)

Output:

1

Previous Up Next