How to put a hat on letters in a legend?

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MC3105
MC3105 2014-11-7
评论： Walter Roberson 2020-9-20
Hey everyone,
I am trying to create a legend for one of my graphs that contains two entries: p and p^^CS - I want a hat on the p and I also want CS in the index....
Can someone tell me how to do that??
Thanks a lot!

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采纳的回答

Zoltán Csáti
Zoltán Csáti 2014-11-7
You should use the LaTeX interpreter:
legend({'$\hat{p}^{CS}$'},'Interpreter','latex')
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Zoltán Csáti
Zoltán Csáti 2014-11-7
By example:
p = plot(1,2,'O');
hold on
pCS = plot(1,3,'rO');
leg = legend({'p';'$\hat{p}^{CS}$'});
set(leg,'Interpreter','latex');
Now you get the same format. However it seems that the hat changed its style. It is definitely because of it, since after
plot('1,2,'o');
legend({'p'},'Interpreter', 'latex');
results the same style for p.
Walter Roberson
Walter Roberson 2020-9-20
It turns out to be generally difficult in LaTeX to create upright symbols or modified alphabets (such as hat modifier). The easy methods that remove the italics in math mode, do not apply to symbols.
The LaTeX solution to this involves using the amsmath package (in particular amstext). Unfortunately, MATLAB does not currently provide any method for importing the amsmath package.

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更多回答（1 个）

chandan sidhant
chandan sidhant 2020-9-20
编辑：Walter Roberson 2020-9-20
set(legend( '$$|\hat{u}_1|/|\hat{u}_{max}|$$', '$$|\hat{v}_1|/|\hat{u}_{max}|$$'),'Interpreter','Latex','FontSize', 10);

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