1

I am trying to put a dot on a boldsymbol letter,

\dot{\boldsymbol{\tilde{x}}}(t)

but I get this,

enter image description here

but I want to have,

enter image description here

with a \tilde between dot and x.

1
  • And what would you like to have?
    – Bernard
    Dec 11, 2018 at 23:37

2 Answers 2

4

It's better using bm:

\documentclass{article}
\usepackage{amsmath}
\usepackage{bm}

\begin{document}

$\dot{\bm{\tilde{x}}}(t)$

\end{document}

You can also use \boldsymbol, there's no need to change all your source files except for adding \usepackage{bm}.

enter image description here

3
  • Great! That's I really want :)
    – Mohammad
    Dec 12, 2018 at 0:04
  • And how about this one, \mathbf{\dot{\tilde{P}}}? It seems using \bm instead on \mathbf gives different result.
    – Mohammad
    Dec 12, 2018 at 0:05
  • @egreg: for the bold and italic format of the letter, as you see in your solution, the dot should be aligned a little bit to the right. I have also this problem for \bm and \symboldbold cases. Please let me know how we can sole this. This is obvious for $\dot{\bm{X}}$.
    – Amin
    Dec 12, 2019 at 12:06
2

\boldsymbol{\dot{\tilde{x}}}(t)

does the trick I think

1
  • That works but I don't want the dot to be bold :(
    – Mohammad
    Dec 11, 2018 at 23:49

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