How to find the x value at the maximum?
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Here is a MATLAB code to find the maximum of the Y_B (which is a function of
T and t) against t.
t = 0.2:0.1:20;
T = 600:2:850;
for i = 1:numel(T)
k1 = 1e7 .* exp(-12700 ./ T(i));
k2 = 5e4 .* exp(-10800 ./ T(i));
k3 = 7e7 .* exp(-15000 ./ T(i));
for j = 1:numel(t)
Y_B(i,j) = (k1/(k2-k1-k3))*(exp(-(k1+k3)*t(j))-exp(-k2*t(j)));
end
end
plot(t, max(Y_B, [], 1));
How do I find the corresponding value of T at the Y_Bmax and plot it against t?
1 commentaire
Réponse acceptée
Birdman
le 7 Fév 2018
Modifié(e) : Birdman
le 7 Fév 2018
t = 0.2:0.1:20;
T = 600:2:850;
for i = 1:numel(T)
k1 = 1e7 .* exp(-12700 ./ T(i));
k2 = 5e4 .* exp(-10800 ./ T(i));
k3 = 7e7 .* exp(-15000 ./ T(i));
for j = 1:numel(t)
Y_B(i,j) = (k1/(k2-k1-k3))*(exp(-(k1+k3)*t(j))-exp(-k2*t(j)));
end
end
[val,idx]=max(Y_B);
plot(T(idx), val,'-o');
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