Here is one solution
willisb@unk.edu wrote:
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> 6. Is the Maxima Poisson package broken?
>
> (C1) intopois(cos(x) + 1);
> Illegal arg to POISSIMP:
> x
> -- an error. Quitting. To debug this try DEBUGMODE(TRUE);)
try intopois (cos(X)^2+1) ;; NOTE CAPITAL X. the vars you can use are
U V W X Y Z not x.
This package was rewritten (by me) to be more flexible. It was given
to Macsyma Inc. I wonder if I own the rights? (I got a carton of
manuals in return for this.)
RJF