Starting new matrix.
mna4 -- MNA matrix with 1 grounded and 3 floating voltage sources.
8
1 1  2.0
2 2  2.0
3 3  2.0
5 1  1.0
1 5  1.0
5 4 -1.0
4 5 -1.0
6 2  1.0
2 6  1.0
6 4 -1.0
4 6 -1.0
7 3  1.0
3 7  1.0
7 4 -1.0
4 7 -1.0
8 4 -1.0
4 8 -1.0
0 0  0.0
Beginning source vector.
0.0
0.0
0.0
0.0
1.0
1.0
1.0
1.0