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7.7.8.0. mod2str
Procedure from libraryfreegb.lib (see freegb_lib).
- Usage:
- mod2str(M[,n]); M a module, n an optional integer
- Return:
- string
- Purpose:
- convert a module into a polynomial in free algebra
- Note:
- if an optional integer is not 0, stars signs are used in multiplication
LIB "freegb.lib"; ring r = 0,(x,y,z),(dp); module M = [1,x,y,x,y],[-2,y,x,y,x],[6,x,y,y,x,y]; mod2str(M); ==> xyxy-2yxyx+6xyyxy mod2str(M,1); ==> x*y*x*y-2*y*x*y*x+6*x*y*y*x*y |