How to write the letter θ as bold and not italic?
I have tried the following but it gives me the θ as italics and not bold:
\textbf{$\theta$}
asked Jul 3, 2015 at 18:14
1 Answer
Instead of \textbf use \boldsymbol (load the amsmath package to get it) to get it bold, put everything in math mode, and to get it upright use the upgreek package and \uptheta instead of theta:
\documentclass{article}
\usepackage{amsmath}
\usepackage{upgreek}
\begin{document}
$\boldsymbol{\uptheta}$
\end{document}
If you do not need it just for one theta, also see at Bold math: Automatic choice between \mathbf and \boldsymbol for Latin and Greek symbols?
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Stephen, what you said, is the same with that David said. Probably, it is not possible to have a greek letter as a letter of vector. Commented Jul 3, 2015 at 18:26
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Why shouldn't it and what is the problem with the provided solution?– MaxNoeCommented Jul 3, 2015 at 18:32
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@VassilisChasiotis If you want a vector, I would recommend a command
\vect{\theta}or\greekvec{\theta}or whatever. And you change the behaviour afterwards.– ManuelCommented Jul 3, 2015 at 18:33 -
Stephen, now it's ok. Both you said are accepted. It depends on what someone wants. Thanks. Commented Jul 3, 2015 at 18:33
\mathbfhas with letters but with greek letters:\mathbf{a}gives a, the author wants\greekmathbf{\alpha}to give α rather than α.