spielwiese
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Last change
on this file since a7efa79 was
a7efa79,
checked in by Hans Schönemann <hannes@…>, 17 years ago
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*hannes: new book version
git-svn-id: file:///usr/local/Singular/svn/trunk@10182 2c84dea3-7e68-4137-9b89-c4e89433aadc
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-
Property mode set to
100644
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File size:
491 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 1.9.31 ============================== |
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| 5 | |
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| 6 | LIB "ncalg.lib"; |
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| 7 | def R = makeQso3(3); |
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| 8 | setring R; |
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| 9 | option(redSB); option(redTail); // for reduced output |
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| 10 | ideal K = x+y+z,y+z,z; |
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| 11 | module S = syz(K); // the (left) syzygy module of K |
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| 12 | print(S); |
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| 13 | |
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| 14 | ideal tst = ideal(transpose(S)*transpose(K)); |
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| 15 | print(matrix(tst)); |
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| 16 | |
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| 17 | K = x,y,z; |
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| 18 | S = syz(K); |
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| 19 | print(S); |
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| 20 | |
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| 21 | option(returnSB); |
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| 22 | S = syz(K); |
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| 23 | print(S); |
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| 24 | |
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| 25 | tst_status(1);$ |
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| 26 | |
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