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D.3.1.17 addrow
Procedure from library matrix.lib (see matrix_lib).
- Usage:
- addrow(A,r1,p,r2); A matrix, p poly, r1, r2 positive integers
- Return:
- matrix, A being modified by adding p times row r1 to row r2
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(addrow(A,1,xy,3));
==> 1, 2, 3,
==> 4, 5, 6,
==> xy+7,2xy+8,3xy+9
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