create a plot with two y - axis where the second one is just a reference scale.

Question

Scarlet Passer 2021-1-15

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https://ww2.mathworks.cn/matlabcentral/answers/718135-create-a-plot-with-two-y-axis-where-the-second-one-is-just-a-reference-scale

回答： Cris LaPierre 2021-1-15

Hello,

so I'm plotting number concentration (N) by optical depth (tau). i.e. I want a plot where N is the x-axis and tau is the y. However, for any given tau there is an associated altitude, (alt). I want a second y-axis just as a reference scale which corresponds to alt, that way when you look at the graph you can see both the tau and the alt which an N corresponds to. I have all three variables as arrays of the same length, but I can't figure out how to get a second y-axis which scales to the first one but has a different variable.

Thanks!