Xlabel in figure is only at center position when the figure is big

Question

Michael Werthmann 2021-7-12

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/877153-xlabel-in-figure-is-only-at-center-position-when-the-figure-is-big

评论： Michael Werthmann 2021-7-13

采纳的回答： Chunru

在 MATLAB Online 中打开

Hello,

I have a problem with visualising data. I want to move the xlabel of a plot inside the axis. I use this code for it:

figure
[jac_c, jac_m, jac_h, jac_gnames] = multcompare(jac_stats, 'CType','dunn-sidak');
title('');
xlh = xlabel('Ranks'); 
set(gca, 'FontSize', fsz, 'LineWidth', alw, 'fontname',ft); 
set(findobj(gca,'type','line'),'linew', lw);
xlh.Position(2) = xlh.Position(2) + 0.5;
print('jac_anova','-dpng','-r300');

For some cases this works well:

However, for other it does not, since the xlabel is not centered anymore:

For this case, the xlabel is only centered when I expand the figure:

What is going wrong here?

Thanks and kind regards

Michael

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Answer 1

Chunru 2021-7-13

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/877153-xlabel-in-figure-is-only-at-center-position-when-the-figure-is-big#answer_745483

在 MATLAB Online 中打开

When you set the xlim and ylim as auto by default, they will change automatically when the axes is resized. So the position of the label may be changed. To ensure the label is at the centre, set tha axis limit manually before issuing xlabel command:

plot(randn(10,1), randn(10,1), 'ro');

xlim([-3 3]);

hx = xlabel('Ranks');

hx.Position(2) = hx.Position(2) + 1;