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Composition

From Encyclopedia of Mathematics
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A binary algebraic operation. For example, the composition (or superposition) of two functions $f$ and $g$ is the function $h=f\circ g$, $h(x)=f(g(x))$. See Convolution of functions concerning composition in probability theory.

How to Cite This Entry:
Composition. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Composition&oldid=29374