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Re: F[f_,x_]:=f[x] ?


On 30 Sep 1999, Daniel Reeves wrote:

> I just stumbled upon the built-in but undocumented function Compose, which
> apparently does exactly that.
> Comments from Wolfram developers...?
> (probably a better functionality for Compose would be the last element of
> ComposeList, to be consistent with Nest and Fold)

Compose[] was deemed obsolete between versions 1 and 2 of the Mathematica
kernel.  It should be replaced with its successor Composition[].  See _The
Mathematica Book_, Appendix A.13.2.

--
P.J. Hinton
Mathematica Programming Group           paulh at wolfram.com
Wolfram Research, Inc.
Disclaimer: Opinions expressed herein are those of the author alone.



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