my mistake: subst(a,f(x)*g(x),eq)

• Subject: my mistake: subst(a,f(x)*g(x),eq)
• From: Richard Fateman
• Date: Thu, 30 Oct 2008 08:15:56 -0700

ratsubst(a,f(x)*g(x),expression)    may do what you want.

RJF
 

> -----Original Message-----
> From: maxima-bounces at math.utexas.edu 
> [mailto:maxima-bounces at math.utexas.edu] On Behalf Of nijso beishuizen
...snip

> 
> Hi, I'm sorry, It seems that I have simplified my problem too much.
> What if I want to substitute f(x)*g(x) with a? 

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