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7.5.20.0. embedMat
Procedure from librarynctools.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
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 |