Want to change the range of a single axis of a plotyy figure

Question

Michael 2012-12-11

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评论： Bijay Guha 2018-4-26

Hi

I want my x-axis to be tight to the data on a plotyy graph. I can't seem to do it without messing up the axes.

My data ranges from 1e-5 to 1e3 and it's a semilogx plotting function. Is there a way I can use axis([...]) to specify all three ranges (x, y1, y2) at once?

Thanks for any help Mike

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Answer 1

Walter Roberson 2012-12-11

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在 MATLAB Online 中打开

There is no way to specify the limits all at once.

[ax h1 h2] = plotyy(x,y1,x,y2);
xlim(ax(1), ...);
xlim(ax(2), ...);
ylim(ax(1), ...);
ylim(ax(2), ...);

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Bijay Guha 2018-4-26

but using this command disrupts the alignment of two plots in vertical axis (on ranges from -10 to 50 other 0 to 0.003). If I want the same alignment as it done automatically by plotyy, it would be great. So how to do that??

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Answer 2

Muruganandham Subramanian 2012-12-11

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编辑：Muruganandham Subramanian 2012-12-11

在 MATLAB Online 中打开

figure;
ylim([1e-5 1e3]);

or

goto Edit -> Axes Properties -> then select X axis and change range as your need

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Muruganandham Subramanian 2012-12-11

编辑：Muruganandham Subramanian 2012-12-11

在 MATLAB Online 中打开

If you need to change x axis range is b/w 1e-5 to 1e3, you can use

xlim([1e-5 1e3])

or if it's not, can you explain precisely?

Michael 2012-12-11

That is exactly what I want to do, but it's not working because it seems to generate a second axis. The original axis (not tight) is still there. I think the fact that it's a plotyy figure has an influence on the answer.

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