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D.3.1.18 multcol
Procedure from library matrix.lib (see matrix_lib).
- Usage:
- multcol(A,c,p); A matrix, p poly, c positive integer
- Return:
- matrix, A being modified by multiplying column c by p
Example:
| LIB "matrix.lib";
ring r=32003,(x,y,z),lp;
matrix A[3][3]=1,2,3,4,5,6,7,8,9;
print(A);
==> 1,2,3,
==> 4,5,6,
==> 7,8,9
print(multcol(A,2,xy));
==> 1,2xy,3,
==> 4,5xy,6,
==> 7,8xy,9
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