Plottong double y axis with data from two different data sets for right y axis. How to create legends for two different data sets in right Y axis for MATLAB 2015a?

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SGMukherjee 2018-11-27

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https://ww2.mathworks.cn/matlabcentral/answers/432265-plottong-double-y-axis-with-data-from-two-different-data-sets-for-right-y-axis-how-to-create-legend

评论： SGMukherjee 2018-11-28

[hAx,hLine1,hLine2] = plotyy(Altitude1,OcculationAz,[Altitude1',Altitude2'],[COSMIC',Digisonde']);
    title('Variation of Electron Density and Occultation Azimuth with Altitude')
    xlabel('Altitude (Km)')
    ylabel(hAx(1),'Occultation Azimuth (deg)') % left y-axis 
    ylabel(hAx(2),'Electron Density (/m3)') % right y-axis 

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SGMukherjee 2018-11-27

I solved the previous problem. Can you please help me with this one?

madhan ravi 2018-11-27

编辑：madhan ravi 2018-11-27

sorry for the inconvenience made @SGMukherjee

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Answer 1

madhan ravi 2018-11-27

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https://ww2.mathworks.cn/matlabcentral/answers/432265-plottong-double-y-axis-with-data-from-two-different-data-sets-for-right-y-axis-how-to-create-legend#answer_349149

在 MATLAB Online 中打开

Try this example:

yyaxis right
plot(x,y)
hold on
plot(x1,y1)
legend({'1st','2nd'},'Location',northeast)
yyaxis left
plot(x2,y2)
legend('3rd','Location',northwest)

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SGMukherjee 2018-11-28

在 MATLAB Online 中打开

Arenosillo.2007.047.12.07.jpg

Can you tell me how to use different markers and two different legends for two red line plots? I am working with MATLAB R2015a.

[hAx,hLine1,hLine2] = plotyy(Altitude1,OcculationAz,[Altitude1',Altitude2'],[COSMIC',Digisonde']);
   hLine1.Marker = 'o';
   hLine2.Marker = '*';
    title('Variation of Electron Density and Occultation Azimuth with Altitude')
    xlabel('Altitude (Km)')
    ylabel(hAx(1),'Occultation Azimuth (deg)') % left y-axis 
    ylabel(hAx(2),'Electron Density (/m3)') % right y-axis 
    legend('Occultation Azimuth','COSMIC','Digisonde','Location','NorthEastOutside')