Using LaTeX packages in MATLAB Plots

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Luke
Luke 2018-3-5
评论： Yash 2024-10-4
Hello,
I am trying to find out if there is a way to install LaTeX packages to use in MATLAB plots (e.g. x and y axes labels, titles, text annotation, etc.). In particular, I would like to use the blackboard bold font (\mathbb{}) in the amsmath package.
Similar questions include:
  • LaTeX Interpreter and Blackboard bold (\mathbb{}) for text ( link )
  • How do you use the LaTeX blackboard font in MATLAB? ( link )
  • Including package to create MATLAB labels using LaTeX ( link )
After probing into this, I quickly realized that this is much harder to do then I initially thought. (I am also a bit surprised that this isn't already supported.) It seems like in older versions of MATLAB it was possible to modify the tex.m file somehow to achieve the desired results; however, this is not possible as in the newer versions of MATLAB, I cannot edit the file at all (note: I am using version 2017b of MATLAB).
I am also looking to see if there is a solution native to MATLAB. Unless I have exhausted all other options, I do not wish to do something like export the figure to an eps file using psfrag and then add the fonts, or use matlab2tikz just for this.
Thanks so much!

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回答（1 个）

Yash
Yash 2024-10-4
Hi @Luke
If you want only a few characters, you can use the Unicode decimal code for them. For example, the Unicode decimal code for ℝ is 8477 and it can be used as follows:
mathbbR = char(8477)
I hope this helps!
  1 个评论
Yash
Yash 2024-10-4
Ran in:
I further checked and found that MATLAB supports only a few blackboard bold letters (C,H,N,P,Q,R,Z). I have came up with this script which might help:
function doubleStruck = getDoubleStruckLetter(normalLetter)
keyValuePairs = {'C', char(8450); 'H', char(8461); 'N', char(8469);
'P', char(8473); 'Q', char(8474); 'R', char(8477);
'Z', char(8484);};
% Create the map using the cell array
doubleStruckMap = containers.Map(keyValuePairs(:, 1), keyValuePairs(:, 2));
% Check if the input letter exists in the map
if isKey(doubleStruckMap, normalLetter)
doubleStruck = doubleStruckMap(normalLetter);
else
doubleStruck = 'Double-struck version not available for the given letter.';
end
end
Just add the following function as a separate script getDoubleStruckLetter.m in your working folder or MATLAB Path and call the function as follows:
getDoubleStruckLetter('C')
ans = 'ℂ'
getDoubleStruckLetter('R')
ans = 'ℝ'
getDoubleStruckLetter('B')
ans = 'Double-struck version not available for the given letter.'
I hope this helps you in working with blackboard bold letters.

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