Axis fontsize and text fontsize not matching

Question

royk 2018-5-18

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评论： royk 2018-5-18

I am using the code below that shows the same text as axis xlabel and as a text object. These two labels appear in different sizes despite both being defined at the same size (10 points). I tried on both Windows and Mac. Also in both 2017b and 2018a versions. same problem appears.

lbl = 'These two labels should have the same fontsize 10 yet appear with different sizes' ;
figure(1);clf
set(gcf,'position',[100 100 700 700]) 
plot([0 1],[0 1],'r')
xlabel(lbl)
text(0.5,-0.1, lbl, 'units','normalized', ...
     'HorizontalAlignment','center','fontsize',10)
set(gca,'fontsize',10)

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Answer 1

Sandro Lecci 2018-5-18

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编辑：Sandro Lecci 2018-5-18

在 MATLAB Online 中打开

Dear Royk,

try this:

lbl = 'These two labels should now have the same fontsize 10' ; 
figure(1);clf 
set(gcf,'position',[100 100 700 700]) 
plot([0 1],[0 1],'r') 
A = xlabel(lbl);
A.FontSize = 10;
text(0.5,-0.1,lbl,'units','normalized','HorizontalAlignment','center','fontsize',10);

best, Sandro

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royk 2018-5-18

thanks! that works and i like also the short version of Jan But: what then is the meaning of the fontsize of the axis itself?

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Answer 2

Jan 2018-5-18

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https://ww2.mathworks.cn/matlabcentral/answers/401349-axis-fontsize-and-text-fontsize-not-matching#answer_320785

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lbl = 'These two labels should have the same fontsize 10 yet appear with different sizes' ;
figure('position', [100 100 700 700])
plot([0 1], [0 1], 'r');
xlabel(lbl, 'FontSize', 10);
text(0.5, -0.1, lbl, 'units','normalized', ...
     'HorizontalAlignment', 'center', 'fontsize', 10)