source: git/Tst/Old/preim.tst @ 010b3f

fieker-DuValspielwiese
Last change on this file since 010b3f was 37cd955, checked in by Hans Schoenemann <hannes@…>, 14 years ago
pagelength removed git-svn-id: file:///usr/local/Singular/svn/trunk@13172 2c84dea3-7e68-4137-9b89-c4e89433aadc
  • Property mode set to 100644
File size: 589 bytes
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1//
2// test script for preimage command
3//
4ring r1 = 32003,(x,y,z),dp;
5r1;
6ideal i1=x,y,z;
7ring r2=32003,(a,b),dp;
8r2;
9map f=r1,a,b,a+b;
10f(i1);
11ideal i2=a2,b2,a+b;
12setring r1;
13preimage(r2,f,i2);
14"-------------------------------";
15setring r2;
16map f1=r1,a2,a2-b2,a+b;
17f1(i1);
18ideal i3=a2,(a+b)^2,b2;
19setring r1;
20preimage(r2,f1,i3);
21"--------------------------------";
22preimage(r2,f1,i2);
23"---------------------------------";
24setring r2;
25map f2=r1,6a2,4b3,a+b;
26f2(i1);
27setring r1;
28preimage(r2,f2,i3);
29"-------------------------------";
30listvar(all);
31kill r1,r2;
32LIB "tst.lib";tst_status(1);$;
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