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D.4.17.3 freeModule
Procedure from librarymodules.lib (see modules_lib).
- Usage:
- freeModule(r,n,l); r ring, n integer, l list
- Return:
- a free Module over the ring r, with rank n, and degrees l for the generators
- Note:
- -1 for nor graduation and 0 to set every degree to 0
LIB "modules.lib";
ring r;
int n=3;
list l=1,2,3;
freeModule(r,n,l);
==> 3
==> r
==> free Module
==> Degrees of the generators: {1} {2} {3}
==>
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