spielwiese
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Last change
on this file since a7efa79 was
a7efa79,
checked in by Hans Schönemann <hannes@…>, 16 years ago
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*hannes: new book version
git-svn-id: file:///usr/local/Singular/svn/trunk@10182 2c84dea3-7e68-4137-9b89-c4e89433aadc
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Property mode set to
100644
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File size:
454 bytes
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| 1 | LIB "tst.lib"; |
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| 2 | tst_init(); |
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| 3 | |
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| 4 | ================================= example 4.6.26 ========================= |
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| 5 | |
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| 6 | ring R=0,x(4..1),dp; |
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| 7 | ideal I=-x(1)*x(2)+x(1)*x(4)+x(3), |
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| 8 | -x(1)*x(2)-2*x(2)^2+x(3)*x(4)-1, |
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| 9 | -x(1)*x(2)*x(4)+x(1)*x(4)^2+x(1)*x(2)-x(2)*x(4) |
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| 10 | +x(4)^2+3*x(2); |
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| 11 | matrix M=char_series(I); |
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| 12 | ring S=(0,x(4)),x(1..3),dp;//to see the result with re- |
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| 13 | matrix M=imap(R,M); //spect to the choosen ordering |
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| 14 | M; |
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| 15 | |
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| 16 | tst_status(1);$ |
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| 17 | |
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