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D.4.17.23 coker
Procedure from librarymodules.lib (see modules_lib).
- Usage:
- coker(M), M a Matrix
- Return:
- Module, the coker of M
LIB "modules.lib";
ring r;
matrix m[2][2]=x,y2,z,xz;
Matrix M=m;
M;
==> {1} {2}
==> {0} x y2
==> {0} z xz
==>
coker(M);
==> cokernel | x y2 |
==> | z xz |
==>
==>
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