source:
git/Tst/Manual/lres.tst
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1 | LIB "tst.lib"; tst_init(); |
2 | ring r=0,(x,y,z),dp; |
3 | ideal I=xz,yz,x3-y3; |
4 | def L=lres(I,0); |
5 | print(betti(L),"betti"); |
6 | L[2]; // the first syzygy module of r/I |
7 | tst_status(1);$ |
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