function rlc_f_bisection
    C1 = 2e-6;
    C2 = 7e-6;
    a = C1;
    b = C2;
    for i=1:100
        c =(a+b)/2;
        if f(a) * f(c) < 0
            b = c;
        else
            a = c;
        end
        if((abs(f(a)) < 1e-7) || (abs(f(b)) < 1e-7))
            break;
        end
        a
        b
        i
    end
end

function y = f(x)
    f0 = 500;
    L = 20e-3;
    y = f0 - 1./(2*pi.*sqrt(L*x));
end