Matlab - Como obtener el punto de intersección entre las dos curvas??

function perfil

A = [1.013 0.983 0.953 0.872 0.795 0.727 0.666 0.608 0.557 0.509 0.467 0.427 0.392 0.359 0.329 0.302 0.277 0.254 0.233 0.214 0.196 0.180 0.165 0.152 0.139 0.128 0.118];

%  Distancia

d = 60:95;

% Inverso cuadrado

I = 1./(d.^2);

% Factor 

n = 0:26;

F = (I(1 + n))/I(1);

a = 5;

b = 2.5;

p = 5;

t = 0.02;

w = 15;

x = -13:1:13;

a1 = 5;

b1 = 2.5;

p1 = 5;

t1 = 0.02;

w1 = 15;

f =(2)*((abs(x)>w/2).*(t+(0.5-t)*exp((-b/p)*(abs(x)-(w/2))))+(abs(x)<=w/2).*(1-(0.5)*exp((-a/p)*((w/2)-abs(x)))));

axis([-15 15 -2.2 2.2]);

hold on

f1 =(-2)*((abs(x)>w1/2).*(t1+(0.5-t1)*exp((-b1/p1)*(abs(x)-(w1/2))))+(abs(x)<=w1/2).*(1-(0.5)*exp((-a1/p1)*((w1/2)-abs(x)))));

%Campo 

 g2 =(f(n+1).*A(1,1))/F(2)-1.0;

 plot(x,g2,'r-');

 h12 = (f1(1+n)*A(1,11)/F(13))+2.3;

 plot(x,h12,'r-');

distancia = sqrt((g2-h12).*(g2-h12));

[ndist,ind] = sort(distancia);

figure

plot(x,g2,'r-');

hold on

plot(x,h12,'r-');

hold on

plot(x(ind(1:2)),g2(ind(1:2)),'*b')