How to change the font size of xtick and ytick with scientific notation on the side?

Question

haohaoxuexi1 2022-8-10

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https://ww2.mathworks.cn/matlabcentral/answers/1777425-how-to-change-the-font-size-of-xtick-and-ytick-with-scientific-notation-on-the-side

评论： dpb 2022-8-10

xticklabel_fs = get(gca,'XTickLabel');
set(gca, 'XTickLabel', xticklabel_fs, 'FontName', 'Times New Roman', 'fontsize', 12);
yticklabel_fs = get(gca,'YTickLabel');
set(gca, 'YTickLabel', yticklabel_fs, 'FontName', 'Times New Roman', 'fontsize', 12);

Origin:

After applying the above code:

Can anyone tell me what to do with it?

After applying the above code, the font size is enlarged but the scientific notation disappear?

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Answer 1

dpb 2022-8-10

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在 MATLAB Online 中打开

x=linspace(0,2.1E-4); y=randn(size(x));
>> plot(x,y)
>> hAx=gca;
>> hAx.FontName='Times New Roman';
>> hAx.FontSize=12;
>> xlabel('X')
>> 

seems to work just fine here...

I don't see anything specifically wrong in the posted code snippet but it's not necessary to reset the text to change the other properties.

You sure you didn't do anything else besides???

I have R2020b installed here, but I'd be very surprised if there were any warts in this area in R2018b; I've been updating usually a year or two behind since the beginning of time and have no recollection of the above not working as expected in any release.

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haohaoxuexi1 2022-8-10

在 MATLAB Online 中打开

ax = gca; ax_FS = 12;
ax.XAxis.FontSize = ax_FS; ax.XAxis.FontName = 'Times New Roman';
ax.YAxis.FontSize = ax_FS; ax.YAxis.FontName = 'Times New Roman';

I changed to this, and it works @dpb

dpb 2022-8-10

在 MATLAB Online 中打开

Yes, that would, but it's twice the amount of code you need...there's no need to change X and Y axes properties individually; they inherit from the upper level. Only if you're going to set one different than the other is there any point in it.

>> hAx=gca;
>> hAx.FontName, hAx.XAxis.FontName,hAx.YAxis.FontName  % show what is default
ans =
    'Helvetica'
ans =
    'Helvetica'
ans =
    'Helvetica'
>> hAx.FontName='Times New Roman';                      % change top level
>> hAx.FontName, hAx.XAxis.FontName,hAx.YAxis.FontName  % show both X-, Y- inherit
ans =
    'Times New Roman'
ans =
    'Times New Roman'
ans =
    'Times New Roman'
 'Times New Roman'
>> hAx.XAxis.FontName='Helvetica';                      % restore X-axis to default
>> hAx.FontName, hAx.XAxis.FontName,hAx.YAxis.FontName  % Now it matters...
ans =
    'Times New Roman'
ans =
    'Helvetica'
ans =
    'Times New Roman'
>> 

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Answer 2

Walter Roberson 2022-8-10

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Scientific notation is always disabled when you supply your own tick labels. Scientific notation is only for automatic labeling.

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haohaoxuexi1 2022-8-10

thank you

dpb 2022-8-10

Good point, Walter. I'd not thought about that nuance in writing tick labels that disconnects them from the tick values also triggering the change in formatting; just knew it wasn't needed for what OP wanted.

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