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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.