SINC

Purpose:

Calculates the SINC function (sin(x)/x) of the specified expression.

SINC(val)

val

A scalar, series or table.

A scalar, series, or table.

sinc(-20..0.1..20)

$image\sincpic01.gif$

returns a 401 point series where each point is the sinc of the values from -20 to 20.

Except for the unity value at x = 0, sinc(x) equivalent to sin(x)/x in SETRADIAN mode.