|  |  D.15.23.16 Betti Procedure from librarymodules.lib(see  modules_lib).
 
Example:Usage:
Betti(reso); reso Resolution
Return:
intmat, Bettimatrix of the resolution
Note:
for a clear overview use printBetti
 |  | LIB "modules.lib";
ring r;
matrix m[1][3]=x,y,z;
Matrix M=m;
Module N=coker(M);
Resolution R=mRes(N);
R;
==>  1      3      3      1      
==> r <--  r <--  r <--  r
==> 
==> 0      1      2      3      
==> 
==> 
Betti(R);
==> 1,3,3,1 
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