Revision 1610
trunk/src/linad99/vbeta.cpp (revision 1610)  

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#include <fvar.hpp> 
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/** 
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* Description not yet available. 

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* \param 

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* Beta density function 

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* \param a shape parameter 

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* \param b shape parameter 

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* 

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* Note that the mean of the distribution is given by 

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* mu = a/(a+b), and the variance is ab/((a+b)^2 (a+b+1)) 

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*/ 
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dvariable beta(const prevariable& a,const prevariable& b ) 
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{ 
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