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D.3.1.20 multrow

Procedure from library matrix.lib (see matrix_lib).

Usage:
multrow(A,r,p); A matrix, p poly, r positive integer

Return:
matrix, A being modified by multiplying row r 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(multrow(A,2,xy));
==> 1,  2,  3,  
==> 4xy,5xy,6xy,
==> 7,  8,  9

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