spielwiese
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Last change
on this file since 1ebec3 was
e0b657,
checked in by Hans Schönemann <hannes@…>, 16 years ago
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*hannes: ncalgebra -> nc_algebra
git-svn-id: file:///usr/local/Singular/svn/trunk@10367 2c84dea3-7e68-4137-9b89-c4e89433aadc
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-
Property mode set to
100644
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File size:
677 bytes
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| 1 | LIB "tst.lib"; |
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| 2 | tst_init(); |
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| 3 | ring r=(0,Q),(x,y,z),dp; |
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| 4 | minpoly=Q^4+Q^2+1; |
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| 5 | matrix A[3][3]; |
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| 6 | matrix B[3][3]; |
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| 7 | int u,j; |
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| 8 | for(u=1;u<=3;u++) |
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| 9 | { |
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| 10 | for(j=u;j<=3;j++) |
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| 11 | { |
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| 12 | A[u,j]=1; |
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| 13 | } |
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| 14 | } |
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| 15 | A[1,2]=Q2; |
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| 16 | A[1,3]=1/Q2; |
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| 17 | A[2,3]=Q2; |
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| 18 | B[1,2]=-Q*z; |
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| 19 | B[1,3]=1/Q*y; |
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| 20 | B[2,3]=-Q*x; |
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| 21 | def S=nc_algebra(A,B);setring S; |
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| 22 | poly Cq=Q^4*x2+y2+Q^4*z2+Q*(1-Q^4)*x*y*z; |
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| 23 | poly C1=x^3+x; |
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| 24 | poly C2=y^3+y; |
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| 25 | poly C3=z^3+z; |
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| 26 | ideal I=Cq,C1,C2,C3; |
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| 27 | I=std(I); |
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| 28 | module a=syz(I); |
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| 29 | print(a); |
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| 30 | kill a; |
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| 31 | resolution F=nres(I,0); |
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| 32 | F; |
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| 33 | int b;string s; |
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| 34 | for (b=1;b<=size(list(F));b++) |
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| 35 | {s=print("Step:","%s");s=s+string(b);s;F[b];} |
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| 36 | resolution G=mres(I,0); |
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| 37 | G; |
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| 38 | for (b=1;b<=size(list(G));b++) |
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| 39 | {s=print("Step:","%s");s=s+string(b);s;G[b];} |
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| 40 | tst_status(1);$ |
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