| Paste number 34366: | strange effect of dummy variables? |
| Pasted by: | amitar |
| 2 years, 10 hours ago | |
| #maxima | |
| Paste contents: |
| Maxima 5.10.0 http://maxima.sourceforge.net Using Lisp GNU Common Lisp (GCL) GCL 2.6.7 (aka GCL) Distributed under the GNU Public License. See the file COPYING. Dedicated to the memory of William Schelter. This is a development version of Maxima. The function bug_report() provides bug reporting information. (%i1) f(x):=sum(x^n/n!,n,0,inf); n x (%o1) f(x) := sum(--, n, 0, inf) n! (%i2) f(2*y); inf ==== n n \ 2 y (%o2) > ----- / n! ==== n = 0 (%i3) /* so far so good - but look here: */ f(2*x); inf ==== n n \ 4 x (%o3) > ----- / n! ==== n = 0 |
Annotations for this paste:
| Annotation number 1: | reformatting (untabify) |
| Pasted by: | amitar |
| 2 years, 9 hours ago | |
| Paste contents: |
| (%i1) f(x):=sum(x^n/n!,n,0,inf); n x (%o1) f(x) := sum(--, n, 0, inf) n! (%i2) f(2*y); inf ==== n n \ 2 y (%o2) > ----- / n! ==== n = 0 (%i3) /* so far so good - but look here: */ f(2*x); inf ==== n n \ 4 x (%o3) > ----- / n! ==== n = 0 (%i4) /* ??????? */ |