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## [Maxima-bugs] [ maxima-Bugs-2230778 ] polyroots fails for polynomial

 [Maxima-bugs] [ maxima-Bugs-2230778 ] polyroots fails for polynomial From: SourceForge.net - 2009-01-25 03:54:29 ```Bugs item #2230778, was opened at 2008-11-06 14:33 Message generated for change (Comment added) made by rtoy You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2230778&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: Share Libraries Group: None >Status: Closed >Resolution: Wont Fix Priority: 5 Private: No Submitted By: Raymond Toy (rtoy) Assigned to: Nobody/Anonymous (nobody) Summary: polyroots fails for polynomial Initial Comment: p : -9.884265637156624e-4*x^6-7.775173079310833e-4*x^5+.001184627742112632*x^4 +8.939677571924619e-4*x^3-2.987139303801539e-4*x^2 -2.0237466230245725e-4*x+3.849560052117091e-6\$ allroots(p); [x = .01854325496743221,x = -.5131675095505001,x = -.8275260444151061, x = .5668709689209485,x = .9185270984064534,x = -.9498689868123336] polyroots(p,x); [] Don't know why, but polyroots fails to find any root of this polynomial. There's nothing really special about it that I can see, other than all the roots are real. ---------------------------------------------------------------------- >Comment By: Raymond Toy (rtoy) Date: 2009-01-24 22:54 Message: polyroots has been superseded by bfallroots. Closing bug. ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2230778&group_id=4933 ```

 [Maxima-bugs] [ maxima-Bugs-2230778 ] polyroots fails for polynomial From: SourceForge.net - 2008-11-06 19:33:42 ```Bugs item #2230778, was opened at 2008-11-06 14:33 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=2230778&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: Share Libraries Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: Raymond Toy (rtoy) Assigned to: Nobody/Anonymous (nobody) Summary: polyroots fails for polynomial Initial Comment: p : -9.884265637156624e-4*x^6-7.775173079310833e-4*x^5+.001184627742112632*x^4 +8.939677571924619e-4*x^3-2.987139303801539e-4*x^2 -2.0237466230245725e-4*x+3.849560052117091e-6\$ allroots(p); [x = .01854325496743221,x = -.5131675095505001,x = -.8275260444151061, x = .5668709689209485,x = .9185270984064534,x = -.9498689868123336] polyroots(p,x); [] Don't know why, but polyroots fails to find any root of this polynomial. There's nothing really special about it that I can see, other than all the roots are real. ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2230778&group_id=4933 ```
 [Maxima-bugs] [ maxima-Bugs-2230778 ] polyroots fails for polynomial From: SourceForge.net - 2009-01-25 03:54:29 ```Bugs item #2230778, was opened at 2008-11-06 14:33 Message generated for change (Comment added) made by rtoy You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2230778&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: Share Libraries Group: None >Status: Closed >Resolution: Wont Fix Priority: 5 Private: No Submitted By: Raymond Toy (rtoy) Assigned to: Nobody/Anonymous (nobody) Summary: polyroots fails for polynomial Initial Comment: p : -9.884265637156624e-4*x^6-7.775173079310833e-4*x^5+.001184627742112632*x^4 +8.939677571924619e-4*x^3-2.987139303801539e-4*x^2 -2.0237466230245725e-4*x+3.849560052117091e-6\$ allroots(p); [x = .01854325496743221,x = -.5131675095505001,x = -.8275260444151061, x = .5668709689209485,x = .9185270984064534,x = -.9498689868123336] polyroots(p,x); [] Don't know why, but polyroots fails to find any root of this polynomial. There's nothing really special about it that I can see, other than all the roots are real. ---------------------------------------------------------------------- >Comment By: Raymond Toy (rtoy) Date: 2009-01-24 22:54 Message: polyroots has been superseded by bfallroots. Closing bug. ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2230778&group_id=4933 ```