wehub-resource-sync
11 lines
299 B
Matlab
Executable File
11 lines
299 B
Matlab
Executable File
function [Y,s] = lognormexp(X, dim)
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% Compute log(normalize(exp(x),dim)) while avoiding numerical underflow.
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% By default dim = 1 (columns).
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% Written by Mo Chen (sth4nth@gmail.com).
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if nargin == 1
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dim = find(size(X)~=1,1);
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if isempty(dim), dim = 1; end
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end
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s = logsumexp(X,dim);
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Y = X-s;
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