spielwiese
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Last change
on this file since 107aac was
891438c,
checked in by Gerhard Pfister <pfister@…>, 23 years ago
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|
*GP: initial release
git-svn-id: file:///usr/local/Singular/svn/trunk@5579 2c84dea3-7e68-4137-9b89-c4e89433aadc
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-
Property mode set to
100644
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File size:
303 bytes
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| Line | |
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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 | proc invers(poly p, int k) |
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| 5 | { |
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| 6 | poly q=1/p[1]; |
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| 7 | poly re=q; |
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| 8 | p=q*(p[1]-jet(p,k)); |
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| 9 | poly s=p; |
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| 10 | while(p!=0) |
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| 11 | { |
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| 12 | re=re+q*p; |
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| 13 | p=jet(p*s,k); |
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| 14 | } |
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| 15 | return(re); |
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| 16 | } |
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| 17 | |
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| 18 | ring R=0,(x,y),ds; |
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| 19 | poly p=2+x+y2; |
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| 20 | poly q=invers(p,4); |
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| 21 | q; |
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| 22 | |
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| 23 | jet(p*q,4); |
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| 24 | |
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| 25 | tst_status(1);$ |
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| 26 | |
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