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D.15.27.15 netMap

Procedure from library nets.lib (see nets_lib).

Usage:
netMap(f); f map

Assume:
f is a map from a ring to the basering

Return:
visual presentation of the map f

Theory:
A Singular object is converted into a character array (a Net) for on screen printing.

Example:
 
LIB "nets.lib";
ring r1=101,(x,y,z),lp;
ring r2=103,(a,b,c),lp;
map f=r1,ab,ac,bc;
netMap(f);
==> Map: r1 --> r2 , x -> ab
==>                , y -> ac
==>                , z -> bc
==>