Sometimes I find the subscript is located too far from the letter (to which it is the subscript) such as in
\mathbf{v_{_\text{B}}}
How to get the subcript closer to the letter?
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Reducing the size of the subscript is not the right solution, in my opinion. And \text is not the correct command to use, because it doesn't ensure an upright font, for instance in the statement of a theorem printed in italics.
A "double subscript" is definitely not the best way to reduce the size, in any case.
If you really need to push a bit down the subscript, add an empty superscript.
\documentclass{article}
\usepackage{amsmath}
\begin{document}
$\mathbf{v}^{}_\textnormal{B}$ is good
$\mathbf{v}_{\scriptscriptstyle\textnormal{B}}$ is not so good
$\mathbf{v_{_\text{B}}}$ is bad
\end{document}
egreg
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1Another way to get smaller caps is
\( x_\textnormal{\scshape b} \). – Andrew Swann Feb 28 '13 at 10:45 -
1To be honest, I understand the OP's desire to make the
Bsmaller. In the "good" version, the subscriptBlooks as big as thev. – Hendrik Vogt Feb 28 '13 at 11:40 -
\mathbf{v_{\mkern-4mu_\text{B}}}. However, are you interested in a general solution? – Werner Feb 28 '13 at 08:04Bin your example doesn't seem to be "text", but rather "math symbol to be typeset non-slanted", therefore you might want to use\mathup{B}or\mathrm{B}in place of\text{B}. (2) Is there any specific reason why you want to do double subscript\mathbf{v}_{_\mathrm{B}}instead of simple\mathbf{v}_{\mathrm{B}}? – yo' Feb 28 '13 at 08:35_{_that is a subscript consisting of an empty base with a subsubscript? – David Carlisle Feb 28 '13 at 09:39