Thread: Indefinite Integral
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Old December 10th, 2007, 12:19 PM
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Quote:
Originally Posted by topsquark View Post
This integral (at least) sometimes goes by the name of "Si."
The \text{Si} function is defined as follows:

{\text{Si}}\,(x) = \int_0^x {\frac{{\sin u}}{u}\,du} .

As a definite integral, may be it could have more sense.
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