JuliaMath / JuliaMath/SpecialFunctions.jl
Generalize beta, logbeta, etc. to any number of arguments
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- Julia
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Description
Is there interest in generalizing the beta function to [any number of arguments](https://en.wikipedia.org/wiki/Beta_function#Multivariate_beta_function)? A basic implementation of `logbeta` would be
```
logbeta() = -Inf
logbeta(args...) = sum(loggamma.(args)) - loggamma(sum(args))
```
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