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composition lemma
#1
Hi

while trying to make a numerical method i stumbled upon a perhaps classical and/or old question :

" composition lemma "

f: R-> R
g: R->R

Let f [ g^(-1)[x] ] + g^(-1) [ f[x] ] = 2 g[x]
(?) ==> (?) g^(2) [x] = f [x]

regards

tommy1729
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Messages In This Thread
composition lemma - by tommy1729 - 04/21/2012, 05:04 PM
RE: composition lemma - by tommy1729 - 04/29/2012, 08:32 PM

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