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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
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