From: SourceForge.net <no...@so...> - 2006-03-26 23:38:18
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Bugs item #549836, was opened at 2002-04-28 10:39 Message generated for change (Comment added) made by robert_dodier You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=549836&group_id=4933 Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: Lisp Core Group: None >Status: Closed >Resolution: Works For Me Priority: 5 Submitted By: Nobody/Anonymous (nobody) Assigned to: Nobody/Anonymous (nobody) Summary: Additional integration bugs Initial Comment: h(x,y):= diff(f(x,y),x,1,y,1); gives a good integrate(h(x,y),x); but a bad integrate(h(x,y),y); The problem seems to lay in checkderiv1 function in sin.lisp Additionally, there is a problem with integrate(x*y*h(x,y),y); which seems to lay in rat10 function in sin.lisp too. ---------------------------------------------------------------------- >Comment By: Robert Dodier (robert_dodier) Date: 2006-03-26 16:38 Message: Logged In: YES user_id=501686 Same results with 5.9.0 (as verified via telnet maxima.franz.com) and 5.9.3 as with 5.9.1.1cvs shown below, so I don't know what the original report is about. Closing this report as "works for me". ---------------------------------------------------------------------- Comment By: Robert Dodier (robert_dodier) Date: 2005-08-01 23:37 Message: Logged In: YES user_id=501686 I'm not seeing a problem here. (%i16) h(x,y):= diff(f(x,y),x,1,y,1); (%o16) h(x,y):=diff(f(x,y),x,1,y,1) (%i17) integrate(h(x,y),x); (%o17) 'diff(f(x,y),y,1) <-- Looks OK (%i18) integrate(h(x,y),y); (%o18) 'diff(f(x,y),x,1) <-- Looks OK (%i19) integrate(x*y*h(x,y),y); (%o19) x*'integrate('diff(f(x,y),x,1,y,1)*y,y) <-- Looks OK Maxima version: 5.9.1.1cvs Maxima build date: 10:5 7/28/2005 host type: i686-redhat-linux-gnu lisp-implementation-type: CLISP lisp-implementation-version: 2.33.2 (2004-06-02) (built 3322003185) (memory 3331555525) ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=549836&group_id=4933 |