Localisation method using S-character

Results:
site number 12		sens 1-->2	V_i = 0.288675134594813
site number 2		sens 1-->2	V_i = 0
site number 6		sens 1-->2	V_i = 0
site number 8		sens 1-->2	V_i = 0
site number 4		sens 2-->1	V_i = 0
site number 3		sens 2-->1	V_i = 0
site number 1		sens 1-->2	V_i = 0
site number 10		sens 1-->2	V_i = 0
site number 7		sens 1-->2	V_i = 0
site number 9		sens 1-->2	V_i = 0
site number 5		sens 2-->1	V_i = 0
site number 12		sens 2-->1	V_i = 0
site number 10		sens 2-->1	V_i = -0.5
site number 11		sens 2-->1	V_i = -0.5
site number 11		sens 1-->2	V_i = -0.5
site number 3		sens 1-->2	V_i = -0.5
site number 4		sens 1-->2	V_i = -0.5
site number 8		sens 2-->1	V_i = -0.5
site number 5		sens 1-->2	V_i = -0.5
site number 9		sens 2-->1	V_i = -0.707106781186547
site number 6		sens 2-->1	V_i = -0.707106781186547
site number 1		sens 2-->1	V_i = -0.707106781186547
site number 7		sens 2-->1	V_i = -0.707106781186547
site number 2		sens 2-->1	V_i = -0.707106781186547
