how to add a subscript in colour map labels

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MS
MS 2020-5-8
编辑： Cris LaPierre 2020-5-8
How to add a subscript to a text(Uo) in matlab 2020a. Please help me to write a subscript to colour map label.
h.Label.String = 'ωc/U_{0}';% not the right way
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Ameer Hamza
Ameer Hamza 2020-5-8
This code seems to work fine. I am usin R2020a. Can you show what is the output on your system?
MS
MS 2020-5-8
you are correct ameer. It only works without LaTex interpreter. Kindly let me know if you know the solution to work with LaTex interpreter.

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Cris LaPierre
Cris LaPierre 2020-5-8
编辑：Cris LaPierre 2020-5-8
The interpreter in app designer only works for figure objects (title, labels, text, legend). See this post for possible workarounds for other components.
Here is an official response from Mathworks.
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Cris LaPierre
Cris LaPierre 2020-5-8
编辑：Cris LaPierre 2020-5-8
I think the issue here is you have a greek symbol already in your string (omega). This appears to be messing up the interpreter. You have two options. To subscript in a colorbar label, you don't need to specify an interpreter. Try doing just this:
h.Label.String = 'ωcU_{0}';
If instead you want to use the latex interpreter, you have to provide valid LaTeX code enclosed in "$":
h.Label.Interpreter = 'latex';
h.Label.String = '$\omega c/U_{0}$';

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