Definition:Sine Integral Function/Also denoted as
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Sine Integral Function: Also denoted as
The sine integral function $\map \Si x$ is also seen denoted $\map {Si} x$.
Sources
- 1968: Murray R. Spiegel: Mathematical Handbook of Formulas and Tables ... (previous) ... (next): $\S 35$: Miscellaneous Special Functions: Sine Integral $\ds \map {Si} x = \int_0^x \frac {\sin u} u \rd u$