spielwiese
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Last change
on this file since a6e7454 was
a6e7454,
checked in by Viktor Levandovskyy <levandov@…>, 20 years ago
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nontrivial examples from Plural doc
git-svn-id: file:///usr/local/Singular/svn/trunk@6653 2c84dea3-7e68-4137-9b89-c4e89433aadc
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-
Property mode set to
100644
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File size:
479 bytes
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| 1 | LIB "tst.lib"; |
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| 2 | tst_init(); |
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| 3 | option(redSB); |
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| 4 | option(redTail); |
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| 5 | ring R=0,(x,y,z),dp; |
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| 6 | matrix d[3][3]; |
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| 7 | d[1,2]=-z; |
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| 8 | d[1,3]=y; |
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| 9 | d[2,3]=-x; |
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| 10 | system("PLURAL",1,d); //U(so_3) |
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| 11 | ideal I=x3+4x,y2-z2,z3+z; |
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| 12 | I=std(I); |
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| 13 | I; |
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| 14 | kill R; |
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| 15 | ring Rq3=(0,Q),(x,y,z),dp; //U'_q(so_3) |
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| 16 | minpoly=Q^4+Q^2+1; // at the 3rd root of unity |
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| 17 | matrix C[3][3]; |
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| 18 | matrix D[3][3]; |
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| 19 | C[1,2]=Q2; |
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| 20 | C[1,3]=1/Q2; |
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| 21 | C[2,3]=Q2; |
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| 22 | D[1,2]=-Q*z; |
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| 23 | D[1,3]=1/Q*y; |
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| 24 | D[2,3]=-Q*x; |
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| 25 | system("PLURAL",C,D); |
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| 26 | ideal J=x3+4x,y2-z2,z3+z; |
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| 27 | J=std(J); |
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| 28 | J; |
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| 29 | tst_status(1);$ |
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