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From: SourceForge.net <noreply@so...>  20100217 08:26:20

Bugs item #2952900, was opened at 20100216 18:21 Message generated for change (Comment added) made by traxi You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2952900&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  Solving equations Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: traxi (traxi) Assigned to: Nobody/Anonymous (nobody) >Summary: Solving equations with logarithms Initial Comment: (%i1) solve([log(x)*x=0], [x]); (%o1) [x=1,x=0] Should only be [x=1,x=0]  >Comment By: traxi (traxi) Date: 20100217 09:26 Message: Should only be x=1  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2952900&group_id=4933 
From: SourceForge.net <noreply@so...>  20100218 01:07:37

Bugs item #2952900, was opened at 20100216 11:21 Message generated for change (Comment added) made by willisbl You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2952900&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  Solving equations Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: traxi (traxi) Assigned to: Nobody/Anonymous (nobody) Summary: Solving equations with logarithms Initial Comment: (%i1) solve([log(x)*x=0], [x]); (%o1) [x=1,x=0] Should only be [x=1,x=0]  >Comment By: Barton Willis (willisbl) Date: 20100217 19:07 Message: The alternative solver (to_poly_solve) can not solve this equation either: (%i13) load(to_poly_solver)$ (%i12) %solve([log(x)*x=0], [x]); Division by 0 (%o12) %union() Thanks for this reportI'll try to fix to_poly_solve function.  Comment By: traxi (traxi) Date: 20100217 02:26 Message: Should only be x=1  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2952900&group_id=4933 
From: SourceForge.net <noreply@so...>  20100218 22:05:02

Bugs item #2952900, was opened at 20100216 12:21 Message generated for change (Comment added) made by macrakis You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2952900&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  Solving equations Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: traxi (traxi) Assigned to: Nobody/Anonymous (nobody) Summary: Solving equations with logarithms Initial Comment: (%i1) solve([log(x)*x=0], [x]); (%o1) [x=1,x=0] Should only be [x=1,x=0]  >Comment By: Stavros Macrakis (macrakis) Date: 20100218 17:05 Message: I think you mean "should only be [x=1]". Maxima actually got lucky here, because x=0 is arguably a solution by continuity, since limit(log(x)*x,x,0) = 0 (even for negative x).  Comment By: Barton Willis (willisbl) Date: 20100217 20:07 Message: The alternative solver (to_poly_solve) can not solve this equation either: (%i13) load(to_poly_solver)$ (%i12) %solve([log(x)*x=0], [x]); Division by 0 (%o12) %union() Thanks for this reportI'll try to fix to_poly_solve function.  Comment By: traxi (traxi) Date: 20100217 03:26 Message: Should only be x=1  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2952900&group_id=4933 
From: SourceForge.net <noreply@so...>  20100219 07:32:27

Bugs item #2952900, was opened at 20100216 18:21 Message generated for change (Comment added) made by traxi You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2952900&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  Solving equations Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: traxi (traxi) Assigned to: Nobody/Anonymous (nobody) Summary: Solving equations with logarithms Initial Comment: (%i1) solve([log(x)*x=0], [x]); (%o1) [x=1,x=0] Should only be [x=1,x=0]  >Comment By: traxi (traxi) Date: 20100219 08:32 Message: I'm only interested in real results. Is it possible to configure maxima, ony to get real results in this case?  Comment By: Stavros Macrakis (macrakis) Date: 20100218 23:05 Message: I think you mean "should only be [x=1]". Maxima actually got lucky here, because x=0 is arguably a solution by continuity, since limit(log(x)*x,x,0) = 0 (even for negative x).  Comment By: Barton Willis (willisbl) Date: 20100218 02:07 Message: The alternative solver (to_poly_solve) can not solve this equation either: (%i13) load(to_poly_solver)$ (%i12) %solve([log(x)*x=0], [x]); Division by 0 (%o12) %union() Thanks for this reportI'll try to fix to_poly_solve function.  Comment By: traxi (traxi) Date: 20100217 09:26 Message: Should only be x=1  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2952900&group_id=4933 
From: SourceForge.net <noreply@so...>  20100219 14:24:01

Bugs item #2952900, was opened at 20100216 17:21 Message generated for change (Comment added) made by nobody You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2952900&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  Solving equations Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: traxi (traxi) Assigned to: Nobody/Anonymous (nobody) Summary: Solving equations with logarithms Initial Comment: (%i1) solve([log(x)*x=0], [x]); (%o1) [x=1,x=0] Should only be [x=1,x=0]  Comment By: Nobody/Anonymous (nobody) Date: 20100219 14:23 Message: decreases driven society <a href="http://www.business247.ae">new decline power computer 104</a> [url=http://sarahkassel.com]uncertainty weathering[/url] http://support.microsoft.com  Comment By: traxi (traxi) Date: 20100219 07:32 Message: I'm only interested in real results. Is it possible to configure maxima, ony to get real results in this case?  Comment By: Stavros Macrakis (macrakis) Date: 20100218 22:05 Message: I think you mean "should only be [x=1]". Maxima actually got lucky here, because x=0 is arguably a solution by continuity, since limit(log(x)*x,x,0) = 0 (even for negative x).  Comment By: Barton Willis (willisbl) Date: 20100218 01:07 Message: The alternative solver (to_poly_solve) can not solve this equation either: (%i13) load(to_poly_solver)$ (%i12) %solve([log(x)*x=0], [x]); Division by 0 (%o12) %union() Thanks for this reportI'll try to fix to_poly_solve function.  Comment By: traxi (traxi) Date: 20100217 08:26 Message: Should only be x=1  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2952900&group_id=4933 
From: SourceForge.net <noreply@so...>  20100308 21:06:04

Bugs item #2952900, was opened at 20100216 18:21 Message generated for change (Settings changed) made by crategus You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2952900&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  Solving equations Group: None >Status: Pending >Resolution: Wont Fix Priority: 5 Private: No Submitted By: traxi (traxi) Assigned to: Nobody/Anonymous (nobody) Summary: Solving equations with logarithms Initial Comment: (%i1) solve([log(x)*x=0], [x]); (%o1) [x=1,x=0] Should only be [x=1,x=0]  >Comment By: Dieter Kaiser (crategus) Date: 20100308 22:06 Message: As mentioned in a posting below, the solution x=0 might be considered as a solution too. Setting the resolution to Wont Fix and the status to pending. Dieter Kaiser  Comment By: Nobody/Anonymous (nobody) Date: 20100219 15:23 Message: decreases driven society <a href="http://www.business247.ae">new decline power computer 104</a> [url=http://sarahkassel.com]uncertainty weathering[/url] http://support.microsoft.com  Comment By: traxi (traxi) Date: 20100219 08:32 Message: I'm only interested in real results. Is it possible to configure maxima, ony to get real results in this case?  Comment By: Stavros Macrakis (macrakis) Date: 20100218 23:05 Message: I think you mean "should only be [x=1]". Maxima actually got lucky here, because x=0 is arguably a solution by continuity, since limit(log(x)*x,x,0) = 0 (even for negative x).  Comment By: Barton Willis (willisbl) Date: 20100218 02:07 Message: The alternative solver (to_poly_solve) can not solve this equation either: (%i13) load(to_poly_solver)$ (%i12) %solve([log(x)*x=0], [x]); Division by 0 (%o12) %union() Thanks for this reportI'll try to fix to_poly_solve function.  Comment By: traxi (traxi) Date: 20100217 09:26 Message: Should only be x=1  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2952900&group_id=4933 
From: SourceForge.net <noreply@so...>  20100323 02:21:59

Bugs item #2952900, was opened at 20100216 17:21 Message generated for change (Settings changed) made by sfrobot You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2952900&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  Solving equations Group: None >Status: Closed Resolution: Wont Fix Priority: 5 Private: No Submitted By: traxi (traxi) Assigned to: Nobody/Anonymous (nobody) Summary: Solving equations with logarithms Initial Comment: (%i1) solve([log(x)*x=0], [x]); (%o1) [x=1,x=0] Should only be [x=1,x=0]  >Comment By: SourceForge Robot (sfrobot) Date: 20100323 02:21 Message: This Tracker item was closed automatically by the system. It was previously set to a Pending status, and the original submitter did not respond within 14 days (the time period specified by the administrator of this Tracker).  Comment By: Dieter Kaiser (crategus) Date: 20100308 21:06 Message: As mentioned in a posting below, the solution x=0 might be considered as a solution too. Setting the resolution to Wont Fix and the status to pending. Dieter Kaiser  Comment By: Nobody/Anonymous (nobody) Date: 20100219 14:23 Message: decreases driven society <a href="http://www.business247.ae">new decline power computer 104</a> [url=http://sarahkassel.com]uncertainty weathering[/url] http://support.microsoft.com  Comment By: traxi (traxi) Date: 20100219 07:32 Message: I'm only interested in real results. Is it possible to configure maxima, ony to get real results in this case?  Comment By: Stavros Macrakis (macrakis) Date: 20100218 22:05 Message: I think you mean "should only be [x=1]". Maxima actually got lucky here, because x=0 is arguably a solution by continuity, since limit(log(x)*x,x,0) = 0 (even for negative x).  Comment By: Barton Willis (willisbl) Date: 20100218 01:07 Message: The alternative solver (to_poly_solve) can not solve this equation either: (%i13) load(to_poly_solver)$ (%i12) %solve([log(x)*x=0], [x]); Division by 0 (%o12) %union() Thanks for this reportI'll try to fix to_poly_solve function.  Comment By: traxi (traxi) Date: 20100217 08:26 Message: Should only be x=1  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2952900&group_id=4933 