global gnabar gkbar gl Vna Vk Vl gnabar gkbar gl Vna Vk Vl Inp rn0 A
gnabar = [120;120]
gkbar = [36;36];
gl = [0.3;0.3];
Vna = [ 115;115];
Vk = [-12;-12];
Vl = [10.5988;10.5988];

A = [-1,1;1,-1];
rn0 = 0.9138;
rn0 = 0.8;
