spielwiese
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Last change
on this file since 894057 was
894057,
checked in by Oleksandr Motsak <motsak@…>, 13 years ago
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ADD: Tests from online manual (res+stat on mamawutz): short ones Tst/Manual/s.lst
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-
Property mode set to
100644
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File size:
425 bytes
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| 1 | LIB "tst.lib"; tst_init(); |
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| 2 | int i;int N=2; |
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| 3 | ring r=0,(x(1..N),d(1..N),q(1..N)),Dp; |
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| 4 | matrix D[3*N][3*N]; |
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| 5 | for (i=1;i<=N;i++) |
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| 6 | { D[i,N+i]=q(i)^2; } |
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| 7 | def W=nc_algebra(1,D); setring W; |
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| 8 | // this algebra is a kind of homogenized Weyl algebra |
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| 9 | W; |
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| 10 | ideal I = x(1),x(2),d(1),d(2),q(1),q(2); |
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| 11 | option(redSB); |
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| 12 | option(redTail); |
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| 13 | resolution R = mres(I,0); |
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| 14 | // thus R will be the full length minimal resolution |
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| 15 | print(betti(R),"betti"); |
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| 16 | tst_status(1);$ |
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