The monotonicity of a weighted entropy












2












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Now we have $$p(x) = frac{d!}{x!,(d-x)!,2^d}$$ $$e(x)=frac{x}{d}logBigg(frac{d}{x}Bigg) + frac{d-x}{d}log{frac{d}{d-x}}$$ and $$E(d) = sum_{0 < x < d}{p(x)e(x)}$$



How to prove the monotonicity of $E(d)$?










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$endgroup$








  • 1




    $begingroup$
    @Elborito 0 < x < d, I have edited the problem, please refer to the newest version :)
    $endgroup$
    – user6180959
    Feb 8 at 4:32
















2












$begingroup$


Now we have $$p(x) = frac{d!}{x!,(d-x)!,2^d}$$ $$e(x)=frac{x}{d}logBigg(frac{d}{x}Bigg) + frac{d-x}{d}log{frac{d}{d-x}}$$ and $$E(d) = sum_{0 < x < d}{p(x)e(x)}$$



How to prove the monotonicity of $E(d)$?










share|cite|improve this question











$endgroup$








  • 1




    $begingroup$
    @Elborito 0 < x < d, I have edited the problem, please refer to the newest version :)
    $endgroup$
    – user6180959
    Feb 8 at 4:32














2












2








2





$begingroup$


Now we have $$p(x) = frac{d!}{x!,(d-x)!,2^d}$$ $$e(x)=frac{x}{d}logBigg(frac{d}{x}Bigg) + frac{d-x}{d}log{frac{d}{d-x}}$$ and $$E(d) = sum_{0 < x < d}{p(x)e(x)}$$



How to prove the monotonicity of $E(d)$?










share|cite|improve this question











$endgroup$




Now we have $$p(x) = frac{d!}{x!,(d-x)!,2^d}$$ $$e(x)=frac{x}{d}logBigg(frac{d}{x}Bigg) + frac{d-x}{d}log{frac{d}{d-x}}$$ and $$E(d) = sum_{0 < x < d}{p(x)e(x)}$$



How to prove the monotonicity of $E(d)$?







linear-algebra probability sequences-and-series combinatorics limits






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share|cite|improve this question













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share|cite|improve this question








edited Feb 8 at 4:29







user6180959

















asked Jan 23 at 20:42









user6180959user6180959

112




112








  • 1




    $begingroup$
    @Elborito 0 < x < d, I have edited the problem, please refer to the newest version :)
    $endgroup$
    – user6180959
    Feb 8 at 4:32














  • 1




    $begingroup$
    @Elborito 0 < x < d, I have edited the problem, please refer to the newest version :)
    $endgroup$
    – user6180959
    Feb 8 at 4:32








1




1




$begingroup$
@Elborito 0 < x < d, I have edited the problem, please refer to the newest version :)
$endgroup$
– user6180959
Feb 8 at 4:32




$begingroup$
@Elborito 0 < x < d, I have edited the problem, please refer to the newest version :)
$endgroup$
– user6180959
Feb 8 at 4:32










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