Plots - Two Y-Axis with Different Units

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Tony Rankin
Tony Rankin 2019-12-4
编辑： Rik 2021-6-1
I need to plot a lot of data from an Excel file. I would like to plot one column of data (flow rate) against the left y-axis and have two columns of data (pressure drops) against the right y-axis. How do I do this?
I thought I could work it out using the help pages, but I have no idea how to code the data. I am importing it from Excel and plotting instead. At the moment the plot looks ridiculous because it is plotting it all against the left y-axis and the values for the pressure drops are small compared to the flow rate.
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Raj
Raj 2019-12-4
Since you have not shared the data, it is not possible to give exact solution to your problem but if you are looking for plotting on both primary (left side) and secondary axis (right side) of a graph, you should use yyaxis command.
See details here:
https://www.mathworks.com/help/matlab/ref/yyaxis.html
Hope this helps!
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