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figure: move line to second y-axis

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Andreas on 18 May 2020
Answered: Ameer Hamza on 18 May 2020
Hello everyone,
when using matlab figures, is there a way to move only one signal/line to a second y-axis?
is no solution for me, because the figures are derived from the simulation data inspector and thus without workspace data.
I would have expected to find such controls in the property inspector, similar to the functionality in excel, where you can choose "show on secondary axis".
darova on 18 May 2020
Can you manually scale the data?
Andreas on 18 May 2020
How do you mean that? Currently I have to plot volume flow and pressure drop of a pipe network vs. valve setting.
pressure drop and volume flow on the same scale does not work (unbalanced). How could scaling help?

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Answers (1)

Ameer Hamza
Ameer Hamza on 18 May 2020
The following example shows how to transfer signals from 1 axes to other axes. First, create an example axes with two signals
fig = figure;
ax = axes();
p1 = plot(1:10);
p2 = plot(rand(1,10));
Now you can transfer p2 to the right axes using
yyaxis(ax, 'right');
p2_new = copyobj(p2, ax);
Note that if you don't already have handles of lines (p1, p2) then you can use findall() to get them.


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