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D.15.23.31 compareMatrix

Procedure from library modules.lib (see modules_lib).

Usage:
compareMatrix(M,N); or M==N; compares two Matrices

Return:
1 or 0, if the are the same or aren't

Example:
 
LIB "modules.lib";
ring r;
matrix ma[2][2]=x,y,x,y;
Matrix M=ma;
matrix na[2][1]=-y,x;
Matrix N=na;
M;
==>     {1} {1}
==> {0}   x   y
==> {0}   x   y
==> 
N;
==>      {1}
==> {0}   -y
==> {0}    x
==> 
N==M;
==> 0
M==M;
==> 1