|
7.5.20.0. embedMat
Procedure from library nctools.lib (see nctools_lib).
- Usage:
- embedMat(A,m,n); A,B matrix/module
- Return:
- matrix
- Purpose:
- embed A in the left upper corner of mxn matrix
Example:
| LIB "nctools.lib";
ring r = 0,(a,b,c,d),dp;
matrix M[2][3]; M[1,1]=a; M[1,2]=b;M[2,2]=d;M[1,3]=c;
print(M);
==> a,b,c,
==> 0,d,0
print(embedMat(M,3,4));
==> a,b,c,0,
==> 0,d,0,0,
==> 0,0,0,0
matrix N = M; N[2,2]=0;
print(embedMat(N,3,4));
==> a,b,c,0,
==> 0,0,0,0,
==> 0,0,0,0
|
|