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From: SourceForge.net <noreply@so...>  20080717 08:04:56

Bugs item #2020362, was opened at 20080717 16:04 Message generated for change (Tracker Item Submitted) made by Item Submitter You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2020362&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  Differential eqns Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: Chien Chang Shun (bagwe) Assigned to: Nobody/Anonymous (nobody) Summary: augcoefmatrix? Initial Comment: My maxima version is 5.15 I am use augcoefmatrix() changes linear equation to coefficient matrix like as (%i01) f1:x13*x2+5*x3=2;f2:4*x1+7*x2x3=8; (%o01) x13*x2+5*x3=2 (%o02) 4*x1+7*x2x3=8 (%i03) augcoefmatrix([f1,f2],[x1,x2,x3]); (%o03) [1 3 5 2] [4 7 1 8] you can see that augmented matrix [2 8],that positive negative is have problem,It should be [2 8]  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2020362&group_id=4933 
From: SourceForge.net <noreply@so...>  20080824 03:56:08

Bugs item #2020362, was opened at 20080717 02:04 Message generated for change (Settings changed) made by robert_dodier You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2020362&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: Open Resolution: None Priority: 5 Private: No Submitted By: Chien Chang Shun (bagwe) Assigned to: Nobody/Anonymous (nobody) Summary: augcoefmatrix? Initial Comment: My maxima version is 5.15 I am use augcoefmatrix() changes linear equation to coefficient matrix like as (%i01) f1:x13*x2+5*x3=2;f2:4*x1+7*x2x3=8; (%o01) x13*x2+5*x3=2 (%o02) 4*x1+7*x2x3=8 (%i03) augcoefmatrix([f1,f2],[x1,x2,x3]); (%o03) [1 3 5 2] [4 7 1 8] you can see that augmented matrix [2 8],that positive negative is have problem,It should be [2 8]  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2020362&group_id=4933 
From: SourceForge.net <noreply@so...>  20091122 14:58:56

Bugs item #2020362, was opened at 20080717 10:04 Message generated for change (Settings changed) made by crategus You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2020362&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: Pending >Resolution: Invalid Priority: 5 Private: No Submitted By: Chien Chang Shun (bagwe) Assigned to: Nobody/Anonymous (nobody) Summary: augcoefmatrix? Initial Comment: My maxima version is 5.15 I am use augcoefmatrix() changes linear equation to coefficient matrix like as (%i01) f1:x13*x2+5*x3=2;f2:4*x1+7*x2x3=8; (%o01) x13*x2+5*x3=2 (%o02) 4*x1+7*x2x3=8 (%i03) augcoefmatrix([f1,f2],[x1,x2,x3]); (%o03) [1 3 5 2] [4 7 1 8] you can see that augmented matrix [2 8],that positive negative is have problem,It should be [2 8]  >Comment By: Dieter Kaiser (crategus) Date: 20091122 15:58 Message: I think all is correct. The matrix of coefficients is constructed from the list of equations of the form equation = 0. For the equations above we can write: (%i54) f1:x13*x2+5*x32=0$ (%i55) f2:4*x1+7*x2x38=0$ (%i56) augcoefmatrix([f1,f2],[x1,x2,x3]); (%o56) matrix([1,3,5,2],[4,7,1,8]) This is the result of the bug report. The example of the documentation shows this behavior too. Setting the status to pending and the resolution to invalid. Dieter Kaiser  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2020362&group_id=4933 
From: SourceForge.net <noreply@so...>  20091207 02:20:12

Bugs item #2020362, was opened at 20080717 08:04 Message generated for change (Comment added) made by sfrobot You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2020362&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: Invalid Priority: 5 Private: No Submitted By: Chien Chang Shun (bagwe) Assigned to: Nobody/Anonymous (nobody) Summary: augcoefmatrix? Initial Comment: My maxima version is 5.15 I am use augcoefmatrix() changes linear equation to coefficient matrix like as (%i01) f1:x13*x2+5*x3=2;f2:4*x1+7*x2x3=8; (%o01) x13*x2+5*x3=2 (%o02) 4*x1+7*x2x3=8 (%i03) augcoefmatrix([f1,f2],[x1,x2,x3]); (%o03) [1 3 5 2] [4 7 1 8] you can see that augmented matrix [2 8],that positive negative is have problem,It should be [2 8]  >Comment By: SourceForge Robot (sfrobot) Date: 20091207 02:20 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: Dieter Kaiser (crategus) Date: 20091122 14:58 Message: I think all is correct. The matrix of coefficients is constructed from the list of equations of the form equation = 0. For the equations above we can write: (%i54) f1:x13*x2+5*x32=0$ (%i55) f2:4*x1+7*x2x38=0$ (%i56) augcoefmatrix([f1,f2],[x1,x2,x3]); (%o56) matrix([1,3,5,2],[4,7,1,8]) This is the result of the bug report. The example of the documentation shows this behavior too. Setting the status to pending and the resolution to invalid. Dieter Kaiser  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2020362&group_id=4933 
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