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
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File size:
423 bytes
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| 1 | LIB "tst.lib"; |
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| 2 | tst_init(); |
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| 3 | ring r=(0,Q),(x,y,z),Dp; |
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| 4 | minpoly=Q^4+Q^2+1; |
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| 5 | matrix C[3][3]; |
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| 6 | matrix D[3][3]; |
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| 7 | C[1,2]=Q2; |
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| 8 | C[1,3]=1/Q2; |
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| 9 | C[2,3]=Q2; |
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| 10 | D[1,2]=-Q*z; |
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| 11 | D[1,3]=1/Q*y; |
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| 12 | D[2,3]=-Q*x; |
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| 13 | system("PLURAL",C,D); |
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| 14 | // it is Quantum deformation of U(so_3). |
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| 15 | poly p=Q^4*x2+y2+Q^4*z2+Q*(1-Q^4)*x*y*z; |
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| 16 | // it is the central element |
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| 17 | p=p^3; |
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| 18 | p; |
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| 19 | poly q=(x+Q*y+Q^2*z)^4; |
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| 20 | // it is big noncentral element |
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| 21 | q; |
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| 22 | system("bracket",p,q); |
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| 23 | tst_status(1);$ |
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