clc
//ex2.7
disp('The matrix form is')
disp('G*V=I')
disp('where')
G=[0.45,-0.25,0;-0.25,0.85,-0.20;0,-0.20,0.30];
disp(G,'G=')
disp('V=')
disp('transpose of [V_1,V_2,V_3]')
disp('and')
I=[-3.5;3.5;2];
disp(I,'I=')