“For loop” to plot graphs of functions
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I'm trying to write a matlab (for loop) code to produce the graphs: Q as a function of A, F as a function of A, Z as a function of A from the known functions f1, f2 and f3 Z = f1 (A, F, Q) F = f2 (A, Q, Z) A = f3 (Z, Q). I made several attempts that were unsuccessful, if anyone can help me I would thank you a lot.
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KALYAN ACHARJYA
le 10 Juin 2018
As per of your code the plot having 1 x-axis (A) and 3 y-axes (Z, F, Q), clarify?
Also following two subplots are same-
subplot(2,2,2)
plot(A,sol(i,2));
subplot(2,2,3)
plot(A,sol(i,2));
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Anurag Ojha
le 12 Juin 2024
Hello
To produce the graphs Q as a function of A, F as a function of A, and Z as a function of A, you can use a for loop in MATLAB. I am adding my code below for your reference, I have taken a simple example to show how it could be done. You can modify it according to your use case.
% Define the known functions
f1 = @(A, F, Q) A + F + Q;
f2 = @(A, Q, Z) A - Q + Z;
f3 = @(Z, Q) Z + Q;
% Define the range of A values
A = 1:0.1:10;
% Initialize arrays to store the results
Q_values = zeros(size(A));
F_values = zeros(size(A));
Z_values = zeros(size(A));
% Compute the values for Q, F, and Z for each A value
for i = 1:length(A)
Q_values(i) = f1(A(i), F_values(i), Q_values(i));
F_values(i) = f2(A(i), Q_values(i), Z_values(i));
Z_values(i) = f3(Z_values(i), Q_values(i));
end
% Plot the graphs
figure;
subplot(3, 1, 1);
plot(A, Q_values);
xlabel('A');
ylabel('Q');
title('Q as a function of A');
subplot(3, 1, 2);
plot(A, F_values);
xlabel('A');
ylabel('F');
title('F as a function of A');
subplot(3, 1, 3);
plot(A, Z_values);
xlabel('A');
ylabel('Z');
title('Z as a function of A');
I hope this helps!
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Dineshkumar
le 19 Août 2024 à 14:25
Modify the script so that the plotting code on lines 5–8 execute only if doPlot is 1.
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