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Are some Greek characters not supported?

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Paul McKenzie
Paul McKenzie 2018-3-19
评论： Walter Roberson 2018-3-19
In R2017b, I tried to use \varphi in a legend and got the error message:
*Warning: Error updating Legend.
Character vector must have valid interpreter syntax:
\varphi*
If I shorten it to \phi , it displays as expected. What's going on?

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回答（1 个）

Walter Roberson
Walter Roberson 2018-3-19
\varphi requires interpreter latex, and requires math mode (that is, enclosed in $)
text(1,1,'$\phi \varphi$', 'interpreter', 'latex')
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Paul McKenzie
Paul McKenzie 2018-3-19
That URL seems to suggest that it's a TeX 'limitation' and not something that Mathworks can (easily) fix.
Walter Roberson
Walter Roberson 2018-3-19
History: https://tex.stackexchange.com/questions/304534/what-does-the-var-prefix-stand-for-in-varphi-and-varepsilon-etc
If you look at the comprehensive list of LaTeX symbols http://tug.ctan.org/info/symbols/comprehensive/symbols-a4.pdf, you will find that \alpha and so on are table 184, well inside Section 3 describing Mathematics Mode

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