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D.13.2.47 fVector

Procedure from library gfan.lib (see gfan_lib).

Usage:
fVector(f); f fan

Return:
bigintmat, the f-Vector of f

Example:
 
LIB "gfan.lib";
fan f=emptyFan(2);
fVector(f);
==> 
intmat M[2][2]=1,0,0,1;
cone c=coneViaPoints(M);
insertCone(f,c);
fVector(f);
==> 1,2,1

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