PlotYY X axis doubled

Hello,

Can someone please let me know how can avoid to have the X axis doubled when i use the command PlotYY ?

I use PlotYY to plot two curves that have a different Y axis for each one, and the same X axis.

So my problem, is that the X axis appears twice in the graph, and then it is hard to read the X graduation.

Best,

Anas

Answer 1

[Zhongxian pan]

linkaxes(AX,'x');

set(AX(2),'XTickLabel',[]);

Answer 2

[Leah]

you can turn it off by then you won't know if your xaxis consistent for each y axis. it's best to make them match

turn off (not advised)

   [AX,H1,H2] = plotyy(...);
    set(AX(2),'xticklab',[],'xtick',[])

make match

set(AX(2),'xtick',get(AX(1),'xtick'),'xticklab',get(AX(1),'xticklab'))

[ACHOURI ANAS]

Thank you very much, is it possible to move out the line axis too ? because even if the graduation is not doubled anymore, the X axis line is still doubled.

[Leah]

the horizontal line or the tick marks?

[ACHOURI ANAS]

the tick marks are not doubled anymore, but the horizontal line is still doubled at the bottom of the plot.

Answer 3

[Tom]

Moving one x axis to the top might make things clearer

AX = plotyy(...);

set(AX(2),'XAxisLocation','Top')

[ACHOURI ANAS]

thank you very much, it is a great idea, but the title become hidden by the x axis label on the top. is it possible to move the title label above the second X axis ?

[Tom]

You can, though it might start to go off the top of the figure, so then you'd need to move the axes down (basically, it might get messy).

Try:

set(AX(2),'XAxisLocation','Top')

hTitle = title(AX(2),'Title String');
Pos = get(hTitle,'Position');
Pos(2) = Pos(2)*1.02; %increase the height by 2%
set(hTitle,'Position',Pos)

[ACHOURI ANAS]

ok, thank you very much