# How to find intersection of two curves

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BINAY NAYAK il 27 Mar 2022
Risposto: Torsten il 27 Mar 2022
Here is the code. I want to find intersection of this two plot
T = 250:0.1:500;
qg = 1.09.*10^16.*exp(-7550./T)./(1+1.34.* 10^9.*exp(-7550./T));
qr = 5.9.* 10^4.*T-1.82.* 10^7;
plot(T,qg)
hold on
plot(T,qr)
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### Risposte (1)

Torsten il 27 Mar 2022
T = 250:0.01:500;
qg = 1.09.*10^16.*exp(-7550./T)./(1+1.34.* 10^9.*exp(-7550./T));
qr = 5.9.* 10^4.*T-1.82.* 10^7;
idx = ((qg(1:numel(qg)-1)-qr(1:numel(qr)-1)).*(qg(2:numel(qg))-qr(2:numel(qr))))<=0;
T(idx)
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