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astro (version 1.2)
igamma: The Incomplete Gamma Function
Description
Calculates and returns the incomplete gamma function (specifically, the lower incomplete gamma function).
Usage
igamma(x, s)
Arguments
x
upper limit of integration
s
shape parameter
References
Graham A. W., Driver S. P., 2005, PASA, 22, 118
See Also
The astronomy package:
astro
.