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From: SourceForge.net <noreply@so...>  20110629 07:13:16

Bugs item #3334290, was opened at 20110626 07:59 Message generated for change (Comment added) made by willisbl You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3334290&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: Problem not in Maxima Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: Amalea (amalea) Assigned to: Nobody/Anonymous (nobody) Summary: tex output not ok Initial Comment: tex(2*2^(1/3)) gives 2\,2^{{{1}\over{3}}} but this is not korrekt, 2\cdot 2^{{{1}\over{3}}} is the korrekt mathematical form.  >Comment By: Barton Willis (willisbl) Date: 20110629 02:13 Message: Maxima simplifies 2 * 2^(1/3), so (%i1) tex(2*2^(1/3)); $$2^{{{4}\over{3}}}$$ I don't know what you did, but if you set simp to false, don't expect Maxima to work correctly: (%i2) block([simp : false], tex(2*2^(1/3))); $$2\,2^{{{1}\over{3}}}$$ (%o2) false A workaround for this case (%i3) texput ("*", " \\cdot ", infix)$ (%i4) block([simp : false], tex(2*2^(1/3))); $$2 \cdot 2^{{{1}\over{3}}}$$ (%o4) false (%i5) (texput ("*", " \\, ", infix), tex(a*b)); $$a \, b$$ (%o5) false  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3334290&group_id=4933 
From: SourceForge.net <noreply@so...>  20110629 04:10:12

Bugs item #3335612, was opened at 20110626 18:22 Message generated for change (Comment added) made by willisbl You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3335612&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  Integration Group: None >Status: Closed >Resolution: Invalid Priority: 5 Private: No Submitted By: Ilya Dikarev (dikiy84) Assigned to: Nobody/Anonymous (nobody) Summary: indefinite integration, wrong result. Initial Comment: maxima tells a wrong result for a integrate(coth(x),x); (%i54) integrate(coth(x),x); (%o54) log(sinh(x)) The right result is log(abs(sinh(x)))  >Comment By: Barton Willis (willisbl) Date: 20110628 23:10 Message: integrate(1/x,x) = log(abs(x)) is ok on the real line, but invalid in the complex plane. Same for integrate(coth(x),x) = log(abs(sinh(x))). There is an option variable logabs that partially controls this.  Comment By: Ilya Dikarev (dikiy84) Date: 20110626 18:26 Message: Oh. The Problem is in the integrate(1/x,x); The maxima tells it's log(x), but the right result is log(abs(x));  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3335612&group_id=4933 
From: SourceForge.net <noreply@so...>  20110629 04:00:22

Bugs item #3337674, was opened at 20110627 10:46 Message generated for change (Comment added) made by willisbl You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3337674&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: None Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: Dženan Zukić (dzenanz) Assigned to: Nobody/Anonymous (nobody) Summary: Symmetric matrix yields complex eigenvalues Initial Comment: When using eigenvectors command in wxMaxima, the following symmetric matrix yields complex eigenvalues: matrix([2621.4397,7823.3599,1111.2726],[7823.3599,23347.842,3316.4543],[1111.2726,3316.4543,471.08722]) All eigenvalues of a symmetric matrix should be real: http://en.wikipedia.org/wiki/Symmetric_matrix Maxima version: 5.24.0 Maxima build date: 20:39 4/5/2011 Host type: i686pcmingw32 Lisp implementation type: GNU Common Lisp (GCL) Lisp implementation version: GCL 2.6.8  >Comment By: Barton Willis (willisbl) Date: 20110628 23:00 Message: For a floating point evaluation of eigenvalues, you should use a purely numeric method, not a symbolic method. One (not the only) option is eigens_by_jacobi (symmetric and either binary64 or bigfloat entries).  Comment By: Dženan Zukić (dzenanz) Date: 20110628 07:37 Message: Thanks for suggestions, but I was using Maxima trying to verify some results obtained using numeric library. However after getting this nonsensical result from Maxima I used another numeric library and obtained similar results (difference was after some decimal points). I am not a frequent user of Maxima, and this problem has significantly lowered my faith in it.  Comment By: Barton Willis (willisbl) Date: 20110628 07:23 Message: I think the problem is that the default value of ratepsilon is too small; try this: (also do this same with ratepsilon : 1.0e8) (%i1) load(hypergeometric)$ (%i2) ratepsilon : 1.0e18$ (%i3) m : matrix([2621.4397,7823.3599,1111.2726],[7823.3599,23347.842,3316.4543],[1111.2726,3316.4543,471.08722])$ (%i4) first(eigenvalues(m)), ratprint : false$ (%i5) nfloat(%  conjugate(%),[],100); (%o5) [8.0266455652163197256568351091[46 digits]5913348171925384517960952b197*%i1.3377742608693866209428058515[46 digits]0985558028654230752993492b197,5.3510970434775464837712234061[46 digits]3942232114616923011973968b197*%i1.3377742608693866209428058515[46 digits]0985558028654230752993492b197,1.9934389902195135071021405630[46 digits]0374693317196116973450023b205*%i2.6755485217387732418856117030[46 digits]1971116057308461505986984b197] See also http://en.wikipedia.org/wiki/Casus_irreducibilis  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3337674&group_id=4933 
From: SourceForge.net <noreply@so...>  20110629 02:00:30

Bugs item #3341693, was opened at 20110628 19:06 Message generated for change (Comment added) made by You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3341693&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  Taylor Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: https://www.google.com/accounts () Assigned to: Nobody/Anonymous (nobody) Summary: Taylor seems to behave strangely at undefined derivative Initial Comment: This makes sense. (%i9) taylor(sqrt(x+1),x,0,5); 2 3 4 5 x x x 5 x 7 x (%o9)/T/ 1 +    +    +  + . . . 2 8 16 128 256 Fine. This does not. (%i10) taylor(sqrt(x),x,0,5); (%o10)/T/ sqrt(x) + . . . (%i11) taylor(sqrt(x+1),x,1,5); (%o11)/T/ sqrt(x + 1) + . . . At least an error should be raised. This was inspired by, though not really about, Sage ticket http://trac.sagemath.org/sage_trac/ticket/9555.  >Comment By: https://www.google.com/accounts () Date: 20110629 02:00 Message: Discussion on the Sage ticket prompts me to give this comment: Even if this is intended (ala Puiseux series) then that should be thoroughly documented, which it certainly doesn't seem to be on the usual web pages or with ? taylor;  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3341693&group_id=4933 
From: SourceForge.net <noreply@so...>  20110628 19:06:50

Bugs item #3341693, was opened at 20110628 19:06 Message generated for change (Tracker Item Submitted) made by You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3341693&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  Taylor Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: https://www.google.com/accounts () Assigned to: Nobody/Anonymous (nobody) Summary: Taylor seems to behave strangely at undefined derivative Initial Comment: This makes sense. (%i9) taylor(sqrt(x+1),x,0,5); 2 3 4 5 x x x 5 x 7 x (%o9)/T/ 1 +    +    +  + . . . 2 8 16 128 256 Fine. This does not. (%i10) taylor(sqrt(x),x,0,5); (%o10)/T/ sqrt(x) + . . . (%i11) taylor(sqrt(x+1),x,1,5); (%o11)/T/ sqrt(x + 1) + . . . At least an error should be raised. This was inspired by, though not really about, Sage ticket http://trac.sagemath.org/sage_trac/ticket/9555.  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3341693&group_id=4933 
From: SourceForge.net <noreply@so...>  20110628 12:37:57

Bugs item #3337674, was opened at 20110627 17:46 Message generated for change (Comment added) made by dzenanz You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3337674&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: None Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: Dženan Zukić (dzenanz) Assigned to: Nobody/Anonymous (nobody) Summary: Symmetric matrix yields complex eigenvalues Initial Comment: When using eigenvectors command in wxMaxima, the following symmetric matrix yields complex eigenvalues: matrix([2621.4397,7823.3599,1111.2726],[7823.3599,23347.842,3316.4543],[1111.2726,3316.4543,471.08722]) All eigenvalues of a symmetric matrix should be real: http://en.wikipedia.org/wiki/Symmetric_matrix Maxima version: 5.24.0 Maxima build date: 20:39 4/5/2011 Host type: i686pcmingw32 Lisp implementation type: GNU Common Lisp (GCL) Lisp implementation version: GCL 2.6.8  >Comment By: Dženan Zukić (dzenanz) Date: 20110628 14:37 Message: Thanks for suggestions, but I was using Maxima trying to verify some results obtained using numeric library. However after getting this nonsensical result from Maxima I used another numeric library and obtained similar results (difference was after some decimal points). I am not a frequent user of Maxima, and this problem has significantly lowered my faith in it.  Comment By: Barton Willis (willisbl) Date: 20110628 14:23 Message: I think the problem is that the default value of ratepsilon is too small; try this: (also do this same with ratepsilon : 1.0e8) (%i1) load(hypergeometric)$ (%i2) ratepsilon : 1.0e18$ (%i3) m : matrix([2621.4397,7823.3599,1111.2726],[7823.3599,23347.842,3316.4543],[1111.2726,3316.4543,471.08722])$ (%i4) first(eigenvalues(m)), ratprint : false$ (%i5) nfloat(%  conjugate(%),[],100); (%o5) [8.0266455652163197256568351091[46 digits]5913348171925384517960952b197*%i1.3377742608693866209428058515[46 digits]0985558028654230752993492b197,5.3510970434775464837712234061[46 digits]3942232114616923011973968b197*%i1.3377742608693866209428058515[46 digits]0985558028654230752993492b197,1.9934389902195135071021405630[46 digits]0374693317196116973450023b205*%i2.6755485217387732418856117030[46 digits]1971116057308461505986984b197] See also http://en.wikipedia.org/wiki/Casus_irreducibilis  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3337674&group_id=4933 
From: SourceForge.net <noreply@so...>  20110628 12:23:49

Bugs item #3337674, was opened at 20110627 10:46 Message generated for change (Comment added) made by willisbl You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3337674&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: None Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: Dženan Zukić (dzenanz) Assigned to: Nobody/Anonymous (nobody) Summary: Symmetric matrix yields complex eigenvalues Initial Comment: When using eigenvectors command in wxMaxima, the following symmetric matrix yields complex eigenvalues: matrix([2621.4397,7823.3599,1111.2726],[7823.3599,23347.842,3316.4543],[1111.2726,3316.4543,471.08722]) All eigenvalues of a symmetric matrix should be real: http://en.wikipedia.org/wiki/Symmetric_matrix Maxima version: 5.24.0 Maxima build date: 20:39 4/5/2011 Host type: i686pcmingw32 Lisp implementation type: GNU Common Lisp (GCL) Lisp implementation version: GCL 2.6.8  >Comment By: Barton Willis (willisbl) Date: 20110628 07:23 Message: I think the problem is that the default value of ratepsilon is too small; try this: (also do this same with ratepsilon : 1.0e8) (%i1) load(hypergeometric)$ (%i2) ratepsilon : 1.0e18$ (%i3) m : matrix([2621.4397,7823.3599,1111.2726],[7823.3599,23347.842,3316.4543],[1111.2726,3316.4543,471.08722])$ (%i4) first(eigenvalues(m)), ratprint : false$ (%i5) nfloat(%  conjugate(%),[],100); (%o5) [8.0266455652163197256568351091[46 digits]5913348171925384517960952b197*%i1.3377742608693866209428058515[46 digits]0985558028654230752993492b197,5.3510970434775464837712234061[46 digits]3942232114616923011973968b197*%i1.3377742608693866209428058515[46 digits]0985558028654230752993492b197,1.9934389902195135071021405630[46 digits]0374693317196116973450023b205*%i2.6755485217387732418856117030[46 digits]1971116057308461505986984b197] See also http://en.wikipedia.org/wiki/Casus_irreducibilis  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3337674&group_id=4933 
From: SourceForge.net <noreply@so...>  20110627 15:46:55

Bugs item #3337674, was opened at 20110627 17:46 Message generated for change (Tracker Item Submitted) made by dzenanz You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3337674&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: None Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: Dženan Zukić (dzenanz) Assigned to: Nobody/Anonymous (nobody) Summary: Symmetric matrix yields complex eigenvalues Initial Comment: When using eigenvectors command in wxMaxima, the following symmetric matrix yields complex eigenvalues: matrix([2621.4397,7823.3599,1111.2726],[7823.3599,23347.842,3316.4543],[1111.2726,3316.4543,471.08722]) All eigenvalues of a symmetric matrix should be real: http://en.wikipedia.org/wiki/Symmetric_matrix Maxima version: 5.24.0 Maxima build date: 20:39 4/5/2011 Host type: i686pcmingw32 Lisp implementation type: GNU Common Lisp (GCL) Lisp implementation version: GCL 2.6.8  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3337674&group_id=4933 
From: SourceForge.net <noreply@so...>  20110627 08:17:09

Bugs item #3335612, was opened at 20110627 01:22 Message generated for change (Settings changed) made by dikiy84 You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3335612&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  Integration Group: None >Status: Deleted Resolution: None Priority: 5 Private: No Submitted By: Ilya Dikarev (dikiy84) Assigned to: Nobody/Anonymous (nobody) Summary: indefinite integration, wrong result. Initial Comment: maxima tells a wrong result for a integrate(coth(x),x); (%i54) integrate(coth(x),x); (%o54) log(sinh(x)) The right result is log(abs(sinh(x)))  Comment By: Ilya Dikarev (dikiy84) Date: 20110627 01:26 Message: Oh. The Problem is in the integrate(1/x,x); The maxima tells it's log(x), but the right result is log(abs(x));  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3335612&group_id=4933 
From: SourceForge.net <noreply@so...>  20110626 23:26:02

Bugs item #3335612, was opened at 20110627 01:22 Message generated for change (Comment added) made by dikiy84 You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3335612&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  Integration Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: Ilya Dikarev (dikiy84) Assigned to: Nobody/Anonymous (nobody) Summary: indefinite integration, wrong result. Initial Comment: maxima tells a wrong result for a integrate(coth(x),x); (%i54) integrate(coth(x),x); (%o54) log(sinh(x)) The right result is log(abs(sinh(x)))  >Comment By: Ilya Dikarev (dikiy84) Date: 20110627 01:26 Message: Oh. The Problem is in the integrate(1/x,x); The maxima tells it's log(x), but the right result is log(abs(x));  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3335612&group_id=4933 
From: SourceForge.net <noreply@so...>  20110626 23:22:30

Bugs item #3335612, was opened at 20110627 01:22 Message generated for change (Tracker Item Submitted) made by dikiy84 You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3335612&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  Integration Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: Ilya Dikarev (dikiy84) Assigned to: Nobody/Anonymous (nobody) Summary: indefinite integration, wrong result. Initial Comment: maxima tells a wrong result for a integrate(coth(x),x); (%i54) integrate(coth(x),x); (%o54) log(sinh(x)) The right result is log(abs(sinh(x)))  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3335612&group_id=4933 
From: SourceForge.net <noreply@so...>  20110626 12:59:30

Bugs item #3334290, was opened at 20110626 14:59 Message generated for change (Tracker Item Submitted) made by amalea You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3334290&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: Problem not in Maxima Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: Amalea (amalea) Assigned to: Nobody/Anonymous (nobody) Summary: tex output not ok Initial Comment: tex(2*2^(1/3)) gives 2\,2^{{{1}\over{3}}} but this is not korrekt, 2\cdot 2^{{{1}\over{3}}} is the korrekt mathematical form.  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3334290&group_id=4933 
From: SourceForge.net <noreply@so...>  20110625 00:20:05

Bugs item #3314756, was opened at 20110610 15:48 Message generated for change (Comment added) made by sfrobot You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3314756&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: Fixed Priority: 5 Private: No Submitted By: https://www.google.com/accounts () Assigned to: Nobody/Anonymous (nobody) Summary: solve function causes maxima error solving simple equation Initial Comment: Trying to solve very simple equation x^3x*4=0 (which roots are 2, 0, 2) with solve([x^3x*4=0], [x]); revived: Universal error handler called recursively (:ERROR NIL CONDITIONS::CLCSUNIVERSALERRORHANDLER "" "Couldn't protect") Universal error handler called recursively (:ERROR NIL CONDITIONS::CLCSUNIVERSALERRORHANDLER "" "Couldn't protect") Maxima encountered a Lisp error: Error in CONDITIONS::CLCSUNIVERSALERRORHANDLER [or a callee]: Caught fatal error [memory may be damaged] Automatically continuing. To reenable the Lisp debugger set *debuggerhook* to nil. (%i2) bug_report()$ The Maxima bug database is available at http://sourceforge.net/tracker/?atid=104933&group_id=4933&func=browse Submit bug reports by following the 'Submit New' link on that page. Please include the following build information with your bug report:  Maxima version: 5.17.1 Maxima build date: 14:9 7/13/2009 host type: i686pclinuxgnu lispimplementationtype: GNU Common Lisp (GCL) lispimplementationversion: GCL 2.6.7   >Comment By: SourceForge Robot (sfrobot) Date: 20110625 00:20 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: Barton Willis (willisbl) Date: 20110611 00:15 Message: This bug is has been fixed; (%i1) solve([x^3x*4=0], [x]); (%o1) [x=2,x=2,x=0] (%i2) build_info(); Maxima version: 5.24.0 Maxima build date: 20:39 4/5/2011 Host type: i686pcmingw32 Lisp implementation type: GNU Common Lisp (GCL) Lisp implementation version: GCL 2.6.8 (%o2)  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3314756&group_id=4933 
From: SourceForge.net <noreply@so...>  20110621 18:06:45

Bugs item #3324137, was opened at 20110621 20:06 Message generated for change (Tracker Item Submitted) made by pipping You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3324137&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: Installation Group: Includes proposed fix Status: Open Resolution: None Priority: 5 Private: No Submitted By: Elias Pipping (pipping) Assigned to: Nobody/Anonymous (nobody) Summary: use automake facilities for emacs modules Initial Comment: emacs files are currently installed to /usr/share/maxima/... instead of /usr/share/emacs/sitelisp; emacs lisp files are also not bytecompiled before installation. I've attached a patch that changes these two aspects.  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3324137&group_id=4933 
From: SourceForge.net <noreply@so...>  20110621 13:26:04

Bugs item #3323943, was opened at 20110621 08:26 Message generated for change (Tracker Item Submitted) made by willisbl You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3323943&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: None Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: Barton Willis (willisbl) Assigned to: Nobody/Anonymous (nobody) Summary: sign of an array Initial Comment: (%i2) sign(array(aaa,3)), use_fast_arrays : true; Maxima encountered a Lisp error: Error in MACSYMATOPLEVEL [or a callee]: #(NIL NIL NIL NIL) is not of type SYMBOL. Automatically continuing. To enable the Lisp debugger set *debuggerhook* to nil.  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3323943&group_id=4933 
From: SourceForge.net <noreply@so...>  20110621 11:30:15

Bugs item #3323860, was opened at 20110621 06:30 Message generated for change (Tracker Item Submitted) made by willisbl You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3323860&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: None Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: Barton Willis (willisbl) Assigned to: Nobody/Anonymous (nobody) Summary: sign of atanh Initial Comment: Wrong (atanh(2.0) is not real, for example) (%i2) (assume(z > 1), sign(atanh(z))); (%o2) pos  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3323860&group_id=4933 
From: SourceForge.net <noreply@so...>  20110621 01:58:53

Bugs item #3323584, was opened at 20110620 20:58 Message generated for change (Tracker Item Submitted) made by willisbl You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3323584&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: Tests Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: Barton Willis (willisbl) Assigned to: Nobody/Anonymous (nobody) Summary: rtest_sign #77 Initial Comment: The expected result from rtest_sign #77 should be pz, not pn. Maxima gets the value correct.  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3323584&group_id=4933 
From: SourceForge.net <noreply@so...>  20110620 21:17:58

Bugs item #3323185, was opened at 20110620 17:00 Message generated for change (Settings changed) made by andrejv You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3323185&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: None Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: nattyjc (champo) >Assigned to: Andrej Vodopivec (andrejv) Summary: Mac .app bundle fails if path includes spaces Initial Comment: The Mac OS X app bundle for Maxima5.24.0 fails to launch if the path to Maxima.app has spaces. Specifically, in Maxima.app/Contents/Resources/maxima.sh, the line ROOT=`(cd \`dirname $0\` > /dev/null 2>&1 ; pwd)` fails to provide the correct path (to the directory containing maxima.sh). I have tried to correct this, but my bash scripting skills aren't great, and after some effort I can't solve it. It appears that the executable script Maxima.app/Contents/Resources/maxima/bin/maxima may have similar issues. Nathaniel  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3323185&group_id=4933 
From: SourceForge.net <noreply@so...>  20110620 15:00:05

Bugs item #3323185, was opened at 20110620 10:00 Message generated for change (Tracker Item Submitted) made by champo You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3323185&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: None Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: nattyjc (champo) Assigned to: Nobody/Anonymous (nobody) Summary: Mac .app bundle fails if path includes spaces Initial Comment: The Mac OS X app bundle for Maxima5.24.0 fails to launch if the path to Maxima.app has spaces. Specifically, in Maxima.app/Contents/Resources/maxima.sh, the line ROOT=`(cd \`dirname $0\` > /dev/null 2>&1 ; pwd)` fails to provide the correct path (to the directory containing maxima.sh). I have tried to correct this, but my bash scripting skills aren't great, and after some effort I can't solve it. It appears that the executable script Maxima.app/Contents/Resources/maxima/bin/maxima may have similar issues. Nathaniel  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3323185&group_id=4933 
From: SourceForge.net <noreply@so...>  20110619 06:28:12

Bugs item #3322221, was opened at 20110619 08:43 Message generated for change (Comment added) made by aleksasd You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3322221&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: Aleksas (aleksasd) Assigned to: Nobody/Anonymous (nobody) Summary: Lost solutions in to_poly_solve Initial Comment: Lost solutions in to_poly_solve (%i1) eq:sin(2*x)=cos(x); (%o1) sin(2*x)=cos(x) (%i2) eq1:trigexpand(eq); (%o2) 2*cos(x)*sin(x)=cos(x) Lost solutions: (%i3) to_poly_solve([eq], [x]); Loading maximagrobner $Revision: 1.6 $ $Date: 2009/06/02 07:49:49 $ (%o3) %union([x=(4*%pi*%z0+%pi)/2],[x=(4*%pi*%z1+%pi)/6]) Correct: (%i4) to_poly_solve([eq1], [x]); (%o4) %union([x=2*%pi*%z15%pi/2],[x=2*%pi*%z17+%pi/2], [x=2*%pi*%z19+%pi/6],[x=2*%pi*%z21+(5*%pi)/6])  >Comment By: Aleksas (aleksasd) Date: 20110619 09:28 Message: In to_poly_solve equation is not equivalent to lhs(equation)rhs(equation)=0. For example: (%i1) eq:sin(2*x)=cos(x); (%o1) sin(2*x)=cos(x) (%i2) to_poly_solve([eq], [x]); Loading maximagrobner $Revision: 1.6 $ $Date: 2009/06/02 07:49:49 $ (%o2) %union([x=(4*%pi*%z0+%pi)/2],[x=(4*%pi*%z1+%pi)/6]) (%i3) to_poly_solve([lhs(eq)rhs(eq)=0], [x]); (%o3) %union([x=2*%pi*%z15%pi/2],[x=2*%pi*%z17+%pi/2],[x=2*%pi*%z19+%pi/6],[x=2*%pi*%z21+(5*%pi)/6])  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3322221&group_id=4933 
From: SourceForge.net <noreply@so...>  20110619 05:43:10

Bugs item #3322221, was opened at 20110619 08:43 Message generated for change (Tracker Item Submitted) made by aleksasd You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3322221&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: Aleksas (aleksasd) Assigned to: Nobody/Anonymous (nobody) Summary: Lost solutions in to_poly_solve Initial Comment: Lost solutions in to_poly_solve (%i1) eq:sin(2*x)=cos(x); (%o1) sin(2*x)=cos(x) (%i2) eq1:trigexpand(eq); (%o2) 2*cos(x)*sin(x)=cos(x) Lost solutions: (%i3) to_poly_solve([eq], [x]); Loading maximagrobner $Revision: 1.6 $ $Date: 2009/06/02 07:49:49 $ (%o3) %union([x=(4*%pi*%z0+%pi)/2],[x=(4*%pi*%z1+%pi)/6]) Correct: (%i4) to_poly_solve([eq1], [x]); (%o4) %union([x=2*%pi*%z15%pi/2],[x=2*%pi*%z17+%pi/2], [x=2*%pi*%z19+%pi/6],[x=2*%pi*%z21+(5*%pi)/6])  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3322221&group_id=4933 
From: SourceForge.net <noreply@so...>  20110616 14:52:27

Bugs item #3317347, was opened at 20110616 14:52 Message generated for change (Tracker Item Submitted) made by You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3317347&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: Installation Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: https://www.google.com/accounts () Assigned to: Nobody/Anonymous (nobody) Summary: Building Maxima with ECL on Cygwin fails Initial Comment: test d binaryecl  mkdir binaryecl ecl norc eval '(progn (load "../lisputils/defsystem.lisp") (funcall (intern (symbolname :operateonsystem) :mk) "maxima" :compile :verbose t) (buildmaximalib))' eval '(ext:quit)' ;;; Loading */home/.../build/maxima5.23.p2.p0/src/src/../lisputils/defsystem.lisp" An error occurred during initialization: Filesystem error with pathname #P"SYS:CMP.NEWEST". Either 1) the file does not exist, or 2) we are not allow to access the file, or 3) the pathname points to a broken symbolic link. I'll also post on the ECL list, though I'm not sure if it's there or in Maxima or Cygwin or what. Refer also to artifact 2803755 at http://sourceforge.net/tracker/index.php?func=detail&aid=2803755&group_id=4933&atid=104933 It's not the same, but possibly related. This bug report seems to be out of date. Now we have Maxima 5.21. Perhaps we can get a new bug report, when the issue is still present. Setting the status to pending and the resolution to "out of date". Dieter Kaiser  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3317347&group_id=4933 
From: SourceForge.net <noreply@so...>  20110615 23:23:54

Bugs item #3317072, was opened at 20110615 23:23 Message generated for change (Tracker Item Submitted) made by You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3317072&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  Integration Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: https://www.google.com/accounts () Assigned to: Nobody/Anonymous (nobody) Summary: Incorrect integral of x^(.5)*%e^(xx^2) Initial Comment: This is based on Sage bug report at http://trac.sagemath.org/sage_trac/ticket/11493. (%i16) integrate(x^(1/2)*%e^(xx^2),x,0,inf); inf / 2 [  x  x (%o16) I sqrt(x) %e dx ] / 0 (%i18) integrate(x^(.5)*%e^(xx^2),x,0,inf); <snip lots of these> rat: replaced 0.5 by 1/2 = 0.5 sqrt(%pi) (%o18)  2 The second one is quite wrong, as quad_qags shows: (%i28) quad_qags(x^(1/2)*%e^(xx^2),x,0,1000); (%o28) [.3201570903601473, 1.5628860428051894e9, 609, 0] (%i29) quad_qags(x^(1/2)*%e^(xx^2),x,0,10000); ***MESSAGE FROM ROUTINE DQAGS IN LIBRARY SLATEC. ***INFORMATIVE MESSAGE, PROG CONTINUES, TRACEBACK REQUESTED * ABNORMAL RETURN * ERROR NUMBER = 4 * ***END OF MESSAGE (%o29) [.3201753870288189, .03110853789056672, 7707, 4] Separately, what's up with that error message?  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3317072&group_id=4933 
From: SourceForge.net <noreply@so...>  20110614 20:19:00

Bugs item #3315476, was opened at 20110612 12:21 Message generated for change (Comment added) made by dgildea You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3315476&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  Integration Group: None >Status: Closed >Resolution: Fixed Priority: 5 Private: No Submitted By: dstanislav (ssllvv) Assigned to: Nobody/Anonymous (nobody) Summary: definite integration Initial Comment: maxima24.0 (%i1) integrate(2^(x),x,0,1) (%o1) integrate(2^(x),x,0,1) i.e. integral is not calculate  >Comment By: Dan Gildea (dgildea) Date: 20110614 16:18 Message: Fixed in solve.lisp  extend solve to handle 2^x = 0 => no solution  Comment By: Aleksas (aleksasd) Date: 20110614 08:17 Message: 1 method: (%i1) integrate(2^(x),x,0,1); (%o1) integrate(1/2^x,x,0,1) (%i2) changevar(%, log(y)/log(2)=x, y, x); (%o2) integrate(1/y^2,y,1,2)/log(2) (%i3) ev(%, nouns); (%o3) 1/(2*log(2)) 2 method: (%i4) risch(1/2^x, x); (%o4) %e^(log(2)*x)/log(2) (%i5) ev(%,x=1)ev(%,x=0); (%o5) 1/(2*log(2)) (%i6) float(%); (%o6) 0.72134752044448 3 method: (%i7) quad_qags(1/2^x, x, 0, 1); (%o7) [0.72134752044448,8.008566259537295*10^15,21,0]  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3315476&group_id=4933 
From: SourceForge.net <noreply@so...>  20110614 12:58:40

Bugs item #3311145, was opened at 20110603 18:58 Message generated for change (Comment added) made by aleksasd You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3311145&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: None Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: Barton Willis (willisbl) Assigned to: Nobody/Anonymous (nobody) Summary: integrate(x^m * exp(x^2),x,minf,inf) > 0 Initial Comment: Bogus: (%i1) integrate(x^m * exp(x^2),x,minf,inf); "Is "m+1" positive, negative, or zero?"pos; "Is "m" an "integer"?"yes; (%o1) 0  Comment By: Aleksas (aleksasd) Date: 20110614 15:58 Message: All correct: (%i1) kill(all)$ (%i1) declare(m,even); assume(m+1>0); (%o1) done (%o2) [m>1] (%i3) integrate(x^m * exp(x^2),x,minf,inf); (%o3) gamma((m+1)/2) (%i4) kill(all)$ (%i1) declare(m,odd); assume(m+1>0); (%o1) done (%o2) [m>1] (%i3) integrate(x^m * exp(x^2),x,minf,inf); (%o3) 0 (%i4) kill(all)$ (%i1) integrate(x^(1) * exp(x^2),x,minf,inf); Principal Value (%o1) 0 (%i2) integrate(x^(1) * exp(x^2),x,0,inf); defint: integral is divergent.  an error. To debug this try: debugmode(true); (%i3) integrate(x^(1) * exp(x^2),x,minf,0); defint: integral is divergent.  an error. To debug this try: debugmode(true); (%i4) kill(all)$ (%i1) assume(m+1<0); (%o1) [m<1] (%i2) /* Principal Value */ integrate(x^m * exp(x^2),x,minf,inf); (%o2) 0 (%i3) integrate(x^m * exp(x^2),x,0,inf); defint: integral is divergent.  an error. To debug this try: debugmode(true); (%i4) integrate(x^m * exp(x^2),x,minf,0); defint: integral is divergent.  an error. To debug this try: debugmode(true);  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3311145&group_id=4933 