MATLAB: How to display latex expression with natural log in a plot’s legend

latexlegendMATLAB

I'm having trouble getting the following LaTex expression to display in the legend. I used those expresions in the Live Editor's Insert Latex Equation and they were accepted so I'm not sure why I'm getting the warning.

Best Answer

You have to begin and end each part of the expression with dollar-signs ($).

So:

'$e^\frac{ln(k)}{k}(t-k)$'

and so for the rest.

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MATLAB: How to write a fraction in xlabel.

The easy way:

xlabel('^{a}/_{b}')

The more difficult way requires you to call the 'latex' interpreter and use LaTeX commands. See the link for the LaTeX documentation.

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To have the curly brackets show, place a backslash before the curly bracket.

>> legend('\sigma','E\{r\}');

This behavior is expected and is due to which interpreter you use. For this specific case, the 'Tex' interpreter is being used. For a more detailed list of all possible interpreters, please refer to the following link below:

https://www.mathworks.com/help/matlab/ref/matlab.graphics.primitive.text-properties.html#budt_bq-1_sep_shared-Interpreter

Each interpreter has a list of special characters that defines a set behavior. To exit the behavior, a delimiter such as '\' is required.

Best Answer

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MATLAB: How to write a fraction in xlabel.

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