D.3.1.25 rm_unitrow
...................
Procedure from library matrix.lib (see matrix_lib).

Usage:
rm_unitrow(A); A matrix (being col-reduced)

Return:
matrix, obtained from A by deleting unit rows (having just one 1
and else 0 as entries) and associated columns

Example:
LIB "matrix.lib";
ring r=0,(A,B,C),dp;
matrix m[8][6]=
0,0,  0,   0, 2C, 0,
0,0,  0,   0, -4C,A,
A,-C2,0,   B, -A, 0,
0,0,  1/2B,-A,B,  0,
1,0,  0,   0, 0,  0,
0,0,  0,   2A,B,  0,
0,1,  0,   0, 0,  0,
0,0,  1,   0, 0,  0;
print(rm_unitrow(m));
==> 0, 2C, 0,
==> 0, -4C,A,
==> B, -A, 0,
==> -A,B,  0,
==> 2A,B,  0 

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&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; User manual for <a href="http://www.singular.uni-kl.de/"><i>Singular</i></a> version 2-0-4, October 2002,
generated by <a href="http://www.gnu.org/software/texinfo/"><i>texi2html</i></a>.
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