spielwiese
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Last change
on this file since 09cb443 was
7c99d0,
checked in by Hans Schönemann <hannes@…>, 18 years ago
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*hannes: SORT for factorize
git-svn-id: file:///usr/local/Singular/svn/trunk@8836 2c84dea3-7e68-4137-9b89-c4e89433aadc
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-
Property mode set to
100644
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File size:
501 bytes
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| 1 | LIB "tst.lib"; |
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| 2 | tst_init(); |
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| 3 | |
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| 4 | //input script that crashes Singular |
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| 5 | // neumann@ms.unimelb.edu.au (Walter D. Neumann) |
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| 6 | ring r=0,(x,y,z,u,v,a,b),lp; |
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| 7 | option(prot); |
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| 8 | poly f=x6y4-x-a;poly g=x9y6-x-b; |
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| 9 | poly s=z-ux-vy; |
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| 10 | ideal id=s,f; |
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| 11 | poly f1=eliminate(id,y)[1];f1; |
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| 12 | ideal id=s,g; |
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| 13 | poly g1=eliminate(id,y)[1];g1; |
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| 14 | poly h=resultant(f1,g1,x);h; |
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| 15 | factorize(h); |
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| 16 | poly zpol=_[1][2]; |
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| 17 | int i; int j; int k; |
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| 18 | for (i=6; i>=0; i=i-1) |
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| 19 | { |
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| 20 | for( j=0; j<=6-i; j=j+1) |
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| 21 | { |
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| 22 | k=6-i-j; |
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| 23 | i,j,k; |
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| 24 | factorize(zpol/(z^i*u^j*v^k)); |
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| 25 | } |
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| 26 | } |
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| 27 | |
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| 28 | tst_status(1);$ |
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