[Developers] Inverse gamma

[dave fournier]

Mark Maunder wrote:

Do you mean the incomplete gamma function?
>
> Does anyone know if there is a version of the two parameter gamma
> function?
>
>  
>
> Below are some undocumented functions  
>
>  
>
> df1b2fun.h:df1b2variable inv_cumd_gamma(const df1b2variable& _y,const
> df1b2variable& _a);
>
> df1b2fun.h:double inv_cumd_gamma(double y,double _a);
>
> df1b2fun.h:df1b2variable norm_to_gamma(const df1b2variable & v,const
> df1b2variable& alpha,
>
> df32fun.h:  df3_two_variable cumd_gamma(const df3_two_variable& x,
>
> df32fun.h:  df3_two_variable gammln(const df3_two_variable& xx);
>
> fvar.hpp:dvariable inv_cumd_gamma(const prevariable& _y,const
> prevariable& _a);
>
> fvar.hpp:double inv_cumd_gamma( double _y,double _a);
>
> fvar.hpp:dvariable cumd_gamma(const dvariable& x,const dvariable& a);
>
> fvar.hpp:double cumd_gamma(double x,double a);
>
> fvar.hpp:dvariable norm_to_gamma(const prevariable & v,const
> prevariable& alpha,
>
> fvar.hpp:double norm_to_gamma(double v,double alpha,double
> bound=0.999999);
>
>  
>
> Mark
>
>  
>
>  
>
> Visit the AD Model Builder project at
>  http://admb-project.org/
>
>
> Mark Maunder
> Inter-American  Tropical Tuna Commission
> 8604 La Jolla Shores Drive
> La Jolla, CA, 92037-1508, USA
>   
> Tel: (858) 546-7027
> Fax: (858) 546-7133
> mmaunder at iattc.org <mailto:mmaunder at iattc.org>
> http://www.fisheriesstockassessment.com/TikiWiki/tiki-index.php?page=Mark+Maunder
>
>
>  
>
> See the following website for information on fisheries stock assessment
>
> http://www.fisheriesstockassessment.com/
>
>  
>
>  
>
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>
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-- 
David A. Fournier
P.O. Box 2040, 
Sidney, B.C. V8l 3S3
Canada
Phone/FAX 250-655-3364
http://otter-rsch.com