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D.4.17.22 subquotient
Procedure from library modules.lib (see modules_lib).
- Usage:
- subquotient(gens,rels); gens and rels Matrices
- Return:
- Module, the subquotient of two entered Matrices
Example:
| | LIB "modules.lib";
ring r;
matrix m[2][2]=x,y2,z,xz;
Matrix M=m;
matrix n[2][3]=z2,xyz,x2y2,xy,x3,y4;
Matrix N=n;
M;
==> {1} {2}
==> {0} x y2
==> {0} z xz
==>
N;
==> {2} {3} {4}
==> {0} z2 xyz x2y2
==> {0} xy x3 y4
==>
subquotient(M,N);
==> subquotient (| x y2 |, | z2 xyz x2y2 |)
==> | z xz | | xy x3 y4 |
==>
==>
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