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Particularly Well-Behaved Functions

Functions which have Derivatives of all orders at all points and which, together with their Derivatives, fall off at least as rapidly as $\vert x\vert^{-n}$ as $\vert x\vert\to\infty$, no matter how large $n$ is.

See also Regular Sequence




© 1996-9 Eric W. Weisstein
1999-05-26