Characteristic function: Difference between revisions

Revision as of 13:54, 7 January 2011

Revision as of 12:37, 10 January 2011

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* The [[characteristic function (convex analysis)]] in convex analysis:

::<math>\chi_{A} (x) := \begin{cases} 0, & x \in A; \\ + \infty, & x \not \in A. \end{cases}</math>

* The [[characteristic function (probability theory)|characteristic function]] in probability theory.

* The [[characteristic state function]] in statistical mechanics.