spielwiese
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Last change
on this file since 6fb723 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:
560 bytes
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| 1 | LIB "tst.lib"; tst_init(); |
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| 2 | ring r = (0,a),(e,f,h),(c,dp); |
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| 3 | matrix D[3][3]; |
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| 4 | D[1,2]=-h; D[1,3]=2*e; D[2,3]=-2*f; |
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| 5 | def R=nc_algebra(1,D); // this algebra is a parametric U(sl_2) |
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| 6 | setring R; |
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| 7 | ideal i = e,h-a; // consider this parametric ideal |
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| 8 | i = std(i); |
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| 9 | print(matrix(i)); // print a compact presentation of i |
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| 10 | poly Z = 4*e*f+h^2-2*h; // a central element |
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| 11 | Z = Z - NF(Z,i); // a central character |
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| 12 | ideal j = std(Z); |
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| 13 | j; |
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| 14 | matrix T = lift(i,j); |
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| 15 | print(T); |
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| 16 | ideal tj = ideal(transpose(T)*transpose(matrix(i))); |
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| 17 | size(ideal(matrix(j)-matrix(tj))); // test for 0 |
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| 18 | tst_status(1);$ |
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