vbeta.cpp File Reference

(Last Changed on April 06, 2020 for git-revision 220d6c5eede27230397ecf903ba9226a0318cf90.)

Function beta(const prevariable&,const prevariable&) More...

#include <fvar.hpp>

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Functions
dvariable	beta (const prevariable &a, const prevariable &b)
	Beta density function. More...

Detailed Description

Function beta(const prevariable&,const prevariable&)

Author

David Fournier

Copyright

Copyright (c) 2008-2020 Regents of the University of California

Definition in file vbeta.cpp.

Function Documentation

dvariable beta	(	const prevariable &	a,
		const prevariable &	b
	)

Beta density function.

Parameters

a	shape parameter
b	shape parameter

Note that the mean of the distribution is given by mu = a/(a+b), and the variance is ab/((a+b)^2 (a+b+1))

Definition at line 18 of file vbeta.cpp.

Referenced by bounded_cumd_norm(), bounded_multivariate_normal(), bounded_multivariate_normal_mcmc(), bounded_robust_multivariate_normal(), inv_cumd_mixture(), inv_cumd_mixture_02(), lbfgs_(), laplace_approximation_calculator::lincg(), lubksb(), ludcmp(), new_probing_bounded_multivariate_normal(), new_probing_bounded_multivariate_normal_mcmc(), orthpoly2(), probing_bounded_multivariate_normal(), probing_bounded_multivariate_normal_mcmc(), rgamma(), update(), and update1().