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How to plot two graphs with different x axes on the same graph without using tiled layout?

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Meiyue
Meiyue 2024-5-10
评论： Meiyue 2024-5-24
I am trying to overlay two sets of data, one with pixels as x axis and the other wavenumbers. I have tried the tiled layout and they work beautifully in MatLab, however, when exporting these graphs as images only one of the plots is exported/copied. Is there another way of achieving this? Thank you!
Above: Figure as seen in MatLab
Below: Figure exported
  1 个评论
Rik
Rik 2024-5-10
Have you tried creating two axes objects in the same place? It takes some careful tweaking to make sure no parts overlap, but it tends to export as expected.

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Cris LaPierre
Cris LaPierre 2024-5-10
Ran in:
The plot created by the following example appears to export correctly
x1 = 0:0.1:40;
y1 = 4.*cos(x1)./(x1+2);
x2 = 1:0.2:20;
y2 = x2.^2./x2.^3;
t = tiledlayout(1,1);
ax1 = axes(t);
plot(ax1,x1,y1,'-r')
ax1.XColor = 'r';
ax1.YColor = 'r';
ax2 = axes(t);
plot(ax2,x2,y2,'-k')
ax2.XAxisLocation = 'top';
ax2.YAxisLocation = 'right';
ax2.Color = 'none';
ax1.Box = 'off';
ax2.Box = 'off';
% Export the plot
exportgraphics(gcf,'multipleAxes.png')
Here is the image that gets exported

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