Plotting data using multiple axes

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Harrison Gardner
Harrison Gardner 2017-4-7
评论： Harrison Gardner 2017-4-7
Hi I'm currently trying to plot three sets of data (airfoil geometry, tangential velocity, coeff. of pressure) using the plot function.
figure
hold on;
plot(xc,yc);
plot(xi,vtan);
plot(xi,-1*cp);
ylim([0,2]);
hold off;
This is currently my code (picture of out put below). I need a way to get the data for plot(xi,vtan)[red line] and plot(xi,-1*cp)[yellow line] to be plotted against a secondary Y axis, so that I can enlarge the line for plot(xc,yc) [blue line] on the primary left axis. Any idea on how to do this? thanks.

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KSSV
KSSV 2017-4-7
If you are using 2016, see this https://in.mathworks.com/help/matlab/ref/yyaxis.html
If you are using below 2016, see this https://in.mathworks.com/help/matlab/ref/plotyy.html

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