Schur-convex function: Difference between revisions

Revision as of 21:02, 16 April 2007

Revision as of 20:17, 28 April 2007

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== Examples ==

* [[Entropy]] function <math>\sum_{i=1}^d{P_i \cdot \log_2{\frac{1}{P_i}}}</math> is Schur-concave

* [[Entropy]]

* <math>\sum_{i=1}^d{x_i^k},k \ge 1</math> is Schur-convex

* <math>\prod_{i=1}^d{x_i}</math> is Schur-concave

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