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Task/Entropy/Euler/entropy.euler
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Task/Entropy/Euler/entropy.euler
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>function entropy (s) ...
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$ v=strtochar(s);
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$ m=getmultiplicities(unique(v),v);
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$ m=m/sum(m);
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$ return sum(-m*logbase(m,2))
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$endfunction
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>entropy("1223334444")
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1.84643934467
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