spielwiese
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Last change
on this file was
75f460,
checked in by Hans Schoenemann <hannes@…>, 9 years ago
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format
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-
Property mode set to
100644
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File size:
731 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; R; |
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| 9 | option(redSB); option(redTail); // for reduced output |
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| 10 | |
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| 11 | ideal K = x+y+z,y+z,z; |
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| 12 | option(); module S = syz(K); // the (left) syzygy module of K |
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| 13 | print(S); print( size( module(transpose(S)*transpose(K)) ) ); |
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| 14 | |
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| 15 | K = x,y,z; |
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| 16 | option(); S = syz(K); |
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| 17 | print(S); print( size( module(transpose(S)*transpose(K)) ) ); |
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| 18 | |
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| 19 | option(returnSB); |
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| 20 | |
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| 21 | option(); S = syz(K); |
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| 22 | print(S); print( size( module(transpose(S)*transpose(K)) ) ); |
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| 23 | |
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| 24 | K = x+y+z,y+z,z; |
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| 25 | option(); S = syz(K); // the (left) syzygy module of K |
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| 26 | print(S); print( size( module(transpose(S)*transpose(K)) ) ); |
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| 27 | |
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| 28 | tst_status(1);$ |
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| 29 | |
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