source: git/Tst/Manual/betti.tst @ 7bb006

spielwiese
Last change on this file since 7bb006 was 894057, checked in by Oleksandr Motsak <motsak@…>, 13 years ago
ADD: Tests from online manual (res+stat on mamawutz): short ones Tst/Manual/s.lst
  • Property mode set to 100644
File size: 517 bytes
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1LIB "tst.lib"; tst_init();
2  ring r=32003,(a,b,c,d),dp;
3  ideal j=bc-ad,b3-a2c,c3-bd2,ac2-b2d;
4  list T=mres(j,0); // 0 forces a full resolution
5  // a minimal set of generators for j:
6  print(T[1]);
7  // second syzygy module of r/j which is the first
8  // syzygy module of j (minimal generating set):
9  print(T[2]);
10  // the second syzygy module (minimal generating set):
11  print(T[3]);
12  print(T[4]);
13  betti(T);
14  // most useful for reading off the graded Betti numbers:
15  print(betti(T),"betti");
16tst_status(1);$
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