source: git/Tst/Plural/doc-dim.tst @ 293722

Last change on this file since 293722 was 293722, checked in by Viktor Levandovskyy <levandov@…>, 14 years ago
*levandov: tests for new functions in doc, for plural git-svn-id: file:///usr/local/Singular/svn/trunk@12656 2c84dea3-7e68-4137-9b89-c4e89433aadc
  • Property mode set to 100644
File size: 420 bytes
1LIB "tst.lib";
3ring r=0,(x,y,Dx,Dy),dp;
4matrix M[4][4]; M[1,3]=1;M[2,4]=1;
5def R = nc_algebra(1,M); // 2nd Weyl algebra
6setring R;
7dim(std(0)); // the GK dimension of the ring itself
8ideal I=x*Dy^2-2*y*Dy^2+2*Dy, Dx^3+3*Dy^2;
9dim(std(I)); // the GK dimension of the module R/I
10module T = (x*Dx -2)*gen(1), Dx^3*gen(1), (y*Dy +3)*gen(2);
11dim(std(T)); // the GK dimension of the module  R^2/T
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