Point of intersection of two plotted column vectors
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Hi, I am very new to matlab and i was hopping someone could assist me with this simple problem I have two plotted lines FAR and FRR. FAR and FRR are two column vectors. I simply need to find the point of intersection, i just need the value where the intersection happens. Could someone please assist. My code is as follows
FRR FAR
1 0
0.984375 0.005331753555
0.953125 0.06575829384
0.8828125 0.1279620853
0.828125 0.1800947867
0.78125 0.2458530806
0.703125 0.3382701422
0.46875 0.4502369668
0.265625 0.5805687204
0.0859375 0.7357819905
plot(FAR);
hold;
plot(FRR);
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KSSV
le 23 Mai 2020
Modifié(e) : KSSV
le 25 Mai 2020
This your function.....go for it.
data = [1 0
0.984375 0.005331753555
0.953125 0.06575829384
0.8828125 0.1279620853
0.828125 0.1800947867
0.78125 0.2458530806
0.703125 0.3382701422
0.46875 0.4502369668
0.265625 0.5805687204
0.0859375 0.7357819905] ;
[m,n] = size(data) ;
FRR = data(:,1) ;
FAR = data(:,2) ;
L1 = [1:m ; FRR'] ;
L2 = [1:m ; FAR'] ;
P = InterX(L1,L2) ;
figure
hold on
plot(L1(1,:),L1(2,:))
plot(L2(1,:),L2(2,:))
plot(P(1),P(2),'*k')
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