Example net 1

Contents

nodal equation
parallel - series - parallel

nodal equation

R = [1 5 4 2];
I = [1 0];
G = 1./R;
A = [G(1)+G(4) -G(1); -G(1) G(1)+G(2)+G(3)]
B = I';
V = A\B

A =

    1.5000   -1.0000
   -1.0000    1.4500


V =

    1.2340
    0.8511

parallel - series - parallel

Rp1 = 1/sum(1./R(2:3));
Rs = R(1)+Rp1;
Rt = 1/(1/Rs+1/R(4))

Rt =

    1.2340