spielwiese
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Last change
on this file since 56c0fe was
e0b657,
checked in by Hans Schönemann <hannes@…>, 17 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:
381 bytes
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| 1 | LIB "tst.lib"; |
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| 2 | tst_init(); |
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| 3 | ring R=0,(x,y,z),dp; |
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| 4 | matrix d[3][3]; |
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| 5 | d[1,2]=-z; |
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| 6 | d[1,3]=2x; |
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| 7 | d[2,3]=-2y; |
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| 8 | def S=nc_algebra(1,d); setring S; //U(sl_2) |
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| 9 | ideal I=x3,y3,z3-z; |
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| 10 | I=std(I); |
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| 11 | I; |
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| 12 | resolution resI = mres(I,0); |
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| 13 | resI; |
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| 14 | // The matrix A_1 is given by |
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| 15 | print(matrix(resI[1])); |
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| 16 | // We see that the columns of A_1 generate I. |
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| 17 | // The matrix A_2 is given by |
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| 18 | print(matrix(resI[2])); |
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| 19 | tst_status(1);$ |
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