$Gamma: Difference between revisions
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<span class="pageSubtitle">Gamma function</span> | <span class="pageSubtitle">Gamma function</span> | ||
<p class=" | <p class="warn"><b>Note: </b>Most Sirius $functions have been deprecated in favor of Object Oriented | ||
methods. There is currently no direct OO equivalent for the $Gamma function.</p> | methods. There is currently no direct OO equivalent for the $Gamma function.</p> | ||
[[Category: Mathematical $functions]] | [[Category: Mathematical $functions]] | ||
Revision as of 20:45, 18 July 2013
Gamma function
Note: Most Sirius $functions have been deprecated in favor of Object Oriented methods. There is currently no direct OO equivalent for the $Gamma function.
The $Gamma function returns the value:
0∫∞ ux-1 e-u du
Syntax
%num = $Gamma(x)
Usage notes
- If x is not within the range 0 < x < 57.5744, an error message is printed and a 0 is returned.
- See the SIRFUNC EXEC parameter for an explanation of when this high-performance, high-precision version of the IBM mathematical function from the Sirius Mods is used, as opposed to the version of the $function in the Model 204 FUND or FUNDLE CSECT.