On Thu, 10 Mar 2011, Barton Willis wrote:
< --Barton
<
< Leo Butler <l.butler at ed.ac.uk> wrote on 03/10/2011 10:51:37 AM:
<
<
< > If you look at the online help for ', you will see this statement:
< >
< > "The single quote does not prevent simplification."
< >
< > As Barton indicates, Maxima considers diff(%phi,t) --> 0 to be a
< > simplification not an evaluation.
<
< There isn't much way for a user to know that. Some functions such as
< limit, sum,
< product, .. have both simplify and evaluate, I think.
Perhaps this example can be in the relevant section?
<
< (%i2) :lisp(get '%derivative 'operators)
< SIMPDERIV
<
< (%i2) :lisp(trace simpderiv)
< NIL
<
< (%i5) 'diff(%phi,x);
< 0> Calling (SIMPDERIV ((%DERIVATIVE) $%PHI $X) 1 NIL)
< <0 SIMPDERIV returned 0
< (%o5) 0
<
<
< --Barton
<
<
--
The University of Edinburgh is a charitable body, registered in
Scotland, with registration number SC005336.