Truncated power function: Difference between revisions

Revision as of 21:59, 30 October 2009

Revision as of 22:04, 30 October 2009

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{{references|date=October 2009}}

{{expert-subject|Mathematics|date=October 2009}}

In the [[mathematical]] subfield of [[numerical analysis]] the '''truncated power function''' is a generalization of the [[indicator function]].

==Definition==

Given a function ''f'' the '''truncated power function''' is defined as

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==Notes==

:<math>\chi_{(a,b]}(x) = (b-x)_+^0 - (a-x)_+^0</math>