#9625: solve hangs on a small algebraic system with 4 equations in 4 unknowns
------------------------+---------------------------------------------------
Reporter: zimmerma | Owner: burcin
Type: defect | Status: new
Priority: blocker | Milestone: sage-4.5.2
Component: calculus | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
------------------------+---------------------------------------------------
The following command hangs with Sage 4.4.4:
{{{
var = [s,t,w,z]
sys = [-83065036657810695629*s^2 + 83065036657810695629*t*w -
68998003149632685\
30106646060491053792528*s - 395748941050538664245556665401237631434*w +
6899800\
710712292645598903080085537498136631434, 124597554986716043444*s^2 -
1245975549\
86716043444*t*w + 10349700472444902795201501609065485036608*s -
268851627794621\
336185309600880111037777*w -
10349700203593399598010554584812612113052962223, -\
282961047374832134660970*s^2 - 8410334961603332923585*s*z +
8410334961603332923\
585*t^2 + 282961047374832134660970*t*w -
23504169772922374247873205131210852239\
883040*s - 30616067929472784598571512251700309424241225*t -
7028115267891297114\
2272480500812537457*w - 349302390945015468969034253953644989640360*z -
94573827\
6702217921211141587964108207667243789392, -5322973679105824997312280*s^2 +
9157\
920291523629102472*s*z - 9157920291523629102472*t^2 +
5322973679105824997312280\
*t*w - 442153003783476173947515315017330812575960960*s +
3127353268883216472554\
94866020283168151616125*t - 167582752514587776396443776337970730676*w +
3803514\
92362350173958234007398030593401152*z -
176904945185291980573382635775655917064\
32113716525]
solve(sys,var)
}}}
In comparison, Maple 13 answers in 38 milliseconds...
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9625>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
--
You received this message because you are subscribed to the Google Groups
"sage-trac" group.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to
[email protected].
For more options, visit this group at
http://groups.google.com/group/sage-trac?hl=en.
