MATLAB only plotting most recent graph

3 vues (au cours des 30 derniers jours)
Anjana
Anjana le 31 Juil 2024
Réponse apportée : Jatin le 5 Août 2024
I don't understand why matlab is only plotting figure 2
t0 = 0; tf = 50; y0 = [-0.5;0.5];
[t,Y] = ode45(@f,[t0,tf],y0,[]);
y=Y(:,1);v=Y(:,2);
[t,Y(:,1),Y(:,2)];
% y in output has 2 columns corresponding to u1 and u2
figure(1);
plot(t, y,'b-', t,v,'r-' )
xlabel('t'); ylabel('y, v = y''');
legend('y(t)','v(t)')
ylim([-2.5,2.5]);xticks(0:10:50);
grid on
figure(2);
plot(y,v); axis square; xlabel('y'); ylabel('v=y''');
ylim([-2.5,2.5])
xlim([-2.5,2.5])
grid on
hold off
% plot the phase plot %----------------------------------------------------------------------
function dydt = f(t,Y)
y = Y(1); v = Y(2);
dydt = [v;-2*sin(t)-v-2*y ];
end
  2 commentaires
Torsten
Torsten le 31 Juil 2024
What do you mean ? Both graphs are plotted (see above).
dpb
dpb le 31 Juil 2024
Modifié(e) : dpb le 31 Juil 2024
Possibly @Anjana doesn't realize that because the second figure identically overlays the first so only sees the second?
@Anjana - select the second and move it and you'll find the first hidden behind it. (I agree that I find it annoying MATLAB doesn't open them with at least a slight offset so you can select without having to first move.)

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Réponses (1)

Jatin
Jatin le 5 Août 2024
Hi Anjana,
As we can see we are using default figure objects in the code, and all the default figures have same "Position” property. Hence it causes MATLAB to open all default figures at the same location on the screen.
So, you must manually drag the top figure to make the bottom figure visible.
Or you can also set the position of each figure using the “Position” property to manually define the positions of each figure on the screen.
For e.g.,
figure1 = figure('Position', [100, 100, 500, 400]); % [left, bottom, width, height]
figure2 = figure('Position', [650, 100, 500, 400]); % Adjust 'left' to avoid overlap
Kindly refer to the below documentation of “Position” property of figure objects for more details:

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