Dummy y axis?

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Samir
Samir 2019-1-30
回答： Samir 2019-2-2
Hi, I have data as bellow
x = [ 0 1 2 3 4 5 6 7 8 9 10]
V= [0 2 4 6 8 10 12 14 16 18 20]
I=V/0.5;
I wan to plot (x,V), and (x,I) on the same plot, now since both v and I carry same information all I want is to plot only (x,V) and show another Y axis on right corresponding to I.
Think of it as if you plot a variable say pressure (P) with tepmerature (t), plot (t,P) but you want two Y axis representing pressure in two different units say. mbar and torr. Am I able to explain myself?

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Samir
Samir 2019-2-2
This is what I wanted, check this file.
Plot two axes - File Exchange.
https://uk.mathworks.com/matlabcentral/fileexchange/7426-plot2axes
Let me know if there is a cleaner native matlab way of doing this.
Best Regards
Samir

更多回答（1 个）

madhan ravi
madhan ravi 2019-1-30
doc yyaxis
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Samir
Samir 2019-1-30
编辑：Samir 2019-1-30
I understand but this is just an example, the tick labels wont be the same every time. I want the plot to read x and V from the variables which may vary in every iteration and so can I which is supposed to be on the right Y axis. Also the relationship can be complicated then presented. So I wan something similar to plotyy(x,V,x,I) but there is no need for two lines. Jsut want to present I on right Y axis so one can read either V or I from the same plot.
Samir
Samir 2019-1-30
编辑：Samir 2019-1-30
think of it as if you plot a variable say pressure (P) with tepmerature (t), plot (t,P) but you want two Y axis representing pressure in two different units say. mbar and torr. Am I able to explain myself?

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