fieker-DuValspielwiese
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Last change
on this file since 107aac 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:
378 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 | // ======================== example 1.9.3 ===================================== |
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| 5 | ring r = 0,(e,f,h),dp; |
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| 6 | matrix C[3][3]; |
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| 7 | C[1,2] = 1; C[1,3] = 1; C[2,3] = 1; |
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| 8 | matrix D[3][3]; |
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| 9 | D[1,2] = -h; |
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| 10 | D[1,3] = 2e; |
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| 11 | D[2,3] = -2f; |
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| 12 | def S=nc_algebra(C,D); setring S; |
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| 13 | S; |
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| 14 | fe; // "commutative" syntax, not correct |
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| 15 | f*e; // correct non-commutative syntax |
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| 16 | |
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| 17 | tst_status(1);$ |
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| 18 | |
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