Try ev(s,n=3,product). It seems to work for me.
Viktor
-----Original Message-----
From: maxima-bounces at math.utexas.edu [mailto:maxima-bounces at math.utexas.edu]
On Behalf Of Richard Fateman
Sent: Friday, January 06, 2012 7:25 PM
To: Maxima - list
Subject: evaluating products??
say I create this: s: product(f(i),i,0,n)
and later I want to evaluate it with n=3, to get f(0)*f(1)*f(2)*f(3).
How? subst(3,n,s) doesn't work. ev(s,n=3) doesn't work.
I suspect this failure is a new "feature".
RJF
_______________________________________________
Maxima mailing list
Maxima at math.utexas.edu
http://www.math.utexas.edu/mailman/listinfo/maxima