spielwiese
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Last change
on this file since 894057 was
894057,
checked in by Oleksandr Motsak <motsak@…>, 13 years ago
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ADD: Tests from online manual (res+stat on mamawutz): short ones Tst/Manual/s.lst
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Property mode set to
100644
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File size:
771 bytes
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| 1 | LIB "tst.lib"; tst_init(); |
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| 2 | LIB "classify.lib"; |
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| 3 | ring r=0,(x,y,z),ds; |
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| 4 | poly p=singularity("E[6k+2]",2)[1]; |
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| 5 | p=p+z^2; |
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| 6 | p; |
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| 7 | // We received an E_14 singularity in normal form |
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| 8 | // from the database of normal forms. Since only the residual |
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| 9 | // part is saved in the database, we added z^2 to get an E_14 |
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| 10 | // of embedding dimension 3. |
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| 11 | // |
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| 12 | // Now we apply a coordinate change in order to deal with a |
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| 13 | // singularity which is not in normal form: |
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| 14 | map phi=r,x+y,y+z,x; |
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| 15 | poly q=phi(p); |
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| 16 | // Yes, q really looks ugly, now: |
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| 17 | q; |
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| 18 | // Classification |
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| 19 | classify(q); |
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| 20 | // The library also provides routines to determine the corank of q |
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| 21 | // and its residual part without going through the whole |
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| 22 | // classification algorithm. |
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| 23 | corank(q); |
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| 24 | morsesplit(q); |
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| 25 | tst_status(1);$ |
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