5 cout
<< "Here is the matrix m:" << endl
<< m
<< endl
;
6 cout
<< "Notice that the middle column is the sum of the two others, so the "
7 << "columns are linearly dependent." << endl
;
8 cout
<< "Here is a matrix whose columns have the same span but are linearly independent:"
9 << endl
<< m
.fullPivLu().image(m
) << endl
;