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Re: Compiled PDF & CDF Issues

  • To: mathgroup at smc.vnet.net
  • Subject: [mg90604] Re: Compiled PDF & CDF Issues
  • From: dh <dh at metrohm.ch>
  • Date: Tue, 15 Jul 2008 06:18:50 -0400 (EDT)
  • References: <g5f60t$rdb$1@smc.vnet.net>


Hi Benedetto,

the manual states that the only data types Compile can handle are: 

Integer Real,Complex and Boolean. However, HypergeometricDistribution 

returns a distribution and CDF a function.

hope this helps, Daniel



Benedetto Bongiorno wrote:

> Members,

> 

>  

> 

> Below listed is my notebook "HypergeometricDistributionErrors.nb" that shows

> the following:

> 

> When I use the PDF or CDF functions I get the correct answers.

> 

> When I use the compiled PDF or CDF functions I get the correct answers but

> CompiledFunction::cfse errors.

> 

>  

> 

> I cannot figure what I am doing wrong.

> 

>  

> 

> Mathematica V 6.0.3

> 

> OS Microsoft Windows XP Professional x64

> 

>  

> 

> I thank you ahead for you advice.

> 

>  

> 

>  

> 

> Ben Bongiorno

> 

>  

> 

> Notebook start******************************************

> 

> Table[{k,CDF[HypergeometricDistribution[5,12,20],k]},{k,0,5}]

> 

> {{0,7/1938},{1,56/969},{2,287/969},{3,224/323},{4,613/646},{5,1}}

> 

>  

> 

> Compile[{sample,populationMarked,population,xMin,xMax},

> 

>  

> Table[{k,CDF[HypergeometricDistribution[sample,populationMarked,population],

> k]},{k,xMin,xMax}]];

> 

> %[5,12,20,0,5]

> 

> CompiledFunction::cfse: Compiled expression

> HypergeometricDistribution[5.,12.,20.] should be a machine-size real number.

> 

> 

> CompiledFunction::cfex: Could not complete external evaluation at

> instruction 13; proceeding with uncompiled evaluation. 

> 

> {{0,7/1938},{1,56/969},{2,287/969},{3,224/323},{4,613/646},{5,1}}

> 

>  

> 

>  

> 

> Table[{k,PDF[HypergeometricDistribution[5,12,20],k]},{k,0,5}]

> 

> {{0,7/1938},{1,35/646},{2,77/323},{3,385/969},{4,165/646},{5,33/646}}

> 

> Compile[{sample,populationMarked,population,xMin,xMax},Table[{k,PDF[Hypergeo

> metricDistribution[sample,populationMarked,population],k]},{k,xMin,xMax}]];

> 

> %[5,12,20,0,5]

> 

> CompiledFunction::cfse: Compiled expression

> HypergeometricDistribution[5.,12.,20.] should be a machine-size real number.

> 

> 

> CompiledFunction::cfex: Could not complete external evaluation at

> instruction 13; proceeding with uncompiled evaluation. 

> 

> {{0,7/1938},{1,35/646},{2,77/323},{3,385/969},{4,165/646},{5,33/646}}

> 

> Notebook end*********************************************************

> 





-- 



Daniel Huber

Metrohm Ltd.

Oberdorfstr. 68

CH-9100 Herisau

Tel. +41 71 353 8585, Fax +41 71 353 8907

E-Mail:<mailto:dh at metrohm.com>

Internet:<http://www.metrohm.com>




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