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Monotone function
From Mathematics Is A Science
Revision as of 01:52, 29 May 2011 by imported>WikiSysop
A function $f:I\rightarrow \bf{R}$, where $I$ is a subset of $\bf{R}$ is called monotone if it's ether increasing or decreasing:
- if $x≤x'$ then $f(x)≤f(x')$, or
- if $x≤x'$ then $f(x)≥f(x')$.