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D.4.17.27 addModules
Procedure from librarymodules.lib (see modules_lib).
- Usage:
- addModules(M,N); or M+N; M and N Modules
- Return:
- Module, sum of the two Modules
LIB "modules.lib"; ring r; matrix ma[2][2]=x,y,x2,y2; Matrix m=ma; Module M=image(m); matrix na[2][2]=xy,x2,y2,x; Matrix n=na; Module N=image(na); M; ==> image | x y | ==> | x2 y2 | ==> ==> N; ==> image | xy x2 | ==> | y2 x | ==> ==> N+M; ==> image | xy x2 x y | ==> | y2 x x2 y2 | ==> ==> |