Symbolic Math Toolbox | ![]() ![]() |
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 | ![]() |