Schur-convex function: Difference between revisions

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== Examples ==
* The [[EntropyShannon entropy]] function <math>\sum_{i=1}^d{P_i \cdot \log_2{\frac{1}{P_i}}}</math> is Schur-concave
 
* <math>\sum_{i=1}^d{x_i^k},k \ge 1</math> is Schur-convex