wehub-resource-sync
10 lines
304 B
Matlab
Executable File
10 lines
304 B
Matlab
Executable File
function z = logMn(x, p)
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% Compute log pdf of a multinomial distribution.
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% Input:
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% x: d x 1 integer vector
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% p: d x 1 probability
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% Output:
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% z: probability density in logrithm scale z=log p(x)
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% Written by Mo Chen (sth4nth@gmail.com).
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z = gammaln(sum(x)+1)-sum(gammaln(x+1))+dot(x,log(p));
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