Eigenvalues:
	 -0.435292364948+0i	  0.104579606379+0i

4.0926e-34
(0.363194, 0.108178, 1.164641; 0.333333) (-0.000000, -0.000000, 0.000000; 0.333333) (-0.363194, -0.108178, -1.164641; 0.333333) [Vs = -0.226805]
r_ab:
	               0	   1.22474487139	   2.44948974278
	   1.22474487139	               0	   1.22474487139
	   2.44948974278	   1.22474487139	               0

Eigenvalues of x.x^T (dimension = number of nonzero eigenvalues):
	 2.00908980514e-17	               3	-5.52732230919e-17