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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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7
Task/Entropy/MATLAB/entropy-1.m Normal file
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function E = entropy(d)
if ischar(d), d=abs(d); end;
[Y,I,J] = unique(d);
H = sparse(J,1,1);
p = full(H(H>0))/length(d);
E = -sum(p.*log2(p));
end;

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Task/Entropy/MATLAB/entropy-2.m Normal file
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> entropy('1223334444')
ans = 1.8464