Symbolic Math Toolbox

sinint

Sine integral function

Syntax

• Y = sinint(X)
  

Description

sinint(X) evaluates the sine integral function at the elements of X, a numeric matrix, or a symbolic matrix. The result is a numeric matrix. The sine integral function is defined by

Examples

sinint([pi 0;-2.2 exp(3)]) returns

•     1.8519         0
     -1.6876    1.5522
  

sinint(1.2) returns 1.1080.

diff(sinint(x)) returns sin(x)/x.

See Also

cosint

simplify

size