Logarithmically concave function: Difference between revisions

Revision as of 12:00, 15 February 2005

Revision as of 14:40, 16 April 2005

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A function <math>f</math> is '''log-concave''', if its [[natural log]] <math>\ln(f(x))</math>, is convexconcave. Every [[concave]] function is log-concave.

In parallel, a function is '''log-convex''' if its natural log is convex.