function F = root2d(x)
Li=6.93886E-07;
Ci=5.70413E-14;
ZR=11.586646387326759;
f0=800e6;
w0=2*pi*f0;
u=4*ZR/pi;


F(1)=Li-1/(2*w0^2*x(1))+(w0/x(2)+x(2)/w0)/((2*pi*w0/(4*ZR))*(w0/x(2)+x(2)/w0)^2);
F(2)=Ci-1/(1/(2*x(1))+(w0/x(2)+x(2)/w0)/((2*pi/(4*ZR*w0))*(w0/x(2)+x(2)/w0)^2));

%F(1) = F(1) * 1e6;