source: git/Tst/Buch/Example_1_8_20.tst @ c23373

fieker-DuValspielwiese
Last change on this file since c23373 was 75f460, checked in by Hans Schoenemann <hannes@…>, 9 years ago
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File size: 348 bytes
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1LIB "tst.lib";
2tst_init();
3
4ring A=0,(x,y),dp;
5poly f,f1,f2=x4-y4,x2+y2,x2-y2;
6LIB"algebra.lib";
7inSubring(f,ideal(f1,f2));
8
9ring B = 0,(x,y,u,v,w),(dp(2),dp(1),dp(2));
10ideal H=u-imap(A,f),v-imap(A,f1),w-imap(A,f2);
11std(H);
12
13ring C=0,(x,y,v,w),(dp(2),dp(2));
14ideal H=v-imap(A,f1), w-imap(A,f2);
15poly f=imap(A,f);
16reduce(f,std(H));
17
18tst_status(1);$
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