pdeplot with same colorbar range

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Paul Safier
Paul Safier il 27 Nov 2023
Commentato: Paul Safier il 28 Nov 2023
I am trying to plot the results of solving the transient heat equation. I want to use pdeplot to show the temperature distribution at a few different times. However, I want the color scale to be the same for each time, i.e. I want it to vary from 0 to 76. The different color scales currently can be misleading (see image)...
Here are the lines of code:
figure;
subplot(3,1,1)
pdeplot(model,"XYData",u(:,1),"Contour","on", "ColorMap","jet")
subplot(3,1,2)
pdeplot(model,"XYData",u(:,12),"Contour","on", "ColorMap","jet")
subplot(3,1,3)
pdeplot(model,"XYData",u(:,50),"Contour","on", "ColorMap","jet")
I have tried to update the axis' with:
axis([-inf inf -inf inf 0 76])
but this is not right. I'm not easily seeing from the pdeplot documentation how to do this... Any suggestions?
Thanks

Risposta accettata

Chunru
Chunru il 28 Nov 2023
Use clim for each subplot.
figure;
subplot(3,1,1)
pdeplot(model,"XYData",u(:,1),"Contour","on", "ColorMap","jet")
clim([0 76])
subplot(3,1,2)
pdeplot(model,"XYData",u(:,12),"Contour","on", "ColorMap","jet")
clim([0 76])
subplot(3,1,3)
pdeplot(model,"XYData",u(:,50),"Contour","on", "ColorMap","jet")
clim([0 76])
  3 Commenti
Chunru
Chunru il 28 Nov 2023
You may use an older version of matlab.
Try use caxis([0 76]) instead.
Paul Safier
Paul Safier il 28 Nov 2023
@Chunru, that worked, thanks! I am using version 2021b, so maybe too old for the clim command in this context. Thanks.

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