From: SourceForge.net <no...@so...> - 2012-10-22 10:37:16
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Bugs item #3579086, was opened at 2012-10-22 03:37 Message generated for change (Tracker Item Submitted) made by willisbl You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3579086&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: polarform not fully recursive Initial Comment: The function polarform not fully recursive: (%i1) e : sqrt(x^2-1)/(sqrt(x-1)*sqrt(x+1)); (%o1) sqrt(x^2-1)/(sqrt(x-1)*sqrt(x+1)) (%i2) e : polarform(e); (%o2) (%e^(%i*(atan2(0,x^2-1)/2-atan2(0,x+1)/2-atan2(0,x-1)/2))*sqrt(abs(x^2-1)))/(sqrt(abs(x-1))*sqrt(abs(x+1))) (%i3) e : rootscontract(e); (%o3) sqrt(sqrt(x^4-2*x^2+1)/(sqrt(x^2-2*x+1)*sqrt(x^2+2*x+1)))*%e^(%i*(atan2(0,x^2-1)/2-atan2(0,x+1)/2-atan2(0,x-1)/2)) (%i4) e : rootscontract(e); (%o4) %e^(%i*(atan2(0,x^2-1)/2-atan2(0,x+1)/2-atan2(0,x-1)/2)) ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3579086&group_id=4933 |