I'm trying to write two vectors like this:
Currently I'm using $\vec{p_e,\SI{10}{\hertz},s2}$ bug ig looks like this:
How can I write it correctly?
That means:
- long vector arrow
- italic Hz
[Tex/LaTex] Vector with too short arrow
amsmathmath-modevector
Related Solutions
You can use \xRightarrow[below]{above} from the mathtools (or extpfeil) package or \xLongrightarrow[below]{above} from extarrows. (Have a look at “How to look up a math symbol?” for ideas how you can easily find a particular symbol.)
If you want to keep the the same arrow length as implies, you can use \underset and \overset from amsmath, e.g. \underset{below}{\implies}, or maybe \underset{\mathclap{below}}{\implies} (\mathclap makes it so that “below” doesn’t introduce extra vertical space if it is longer than the arrow. It is included in the immensely useful mathtools package).
Priming a vector denoted with the arrow is, as you discovered, not a really good thing to do. You want to prime the letter, not the whole construction.
\documentclass{article}
\newcommand{\pvec}[1]{\vec{#1}\mkern2mu\vphantom{#1}}
\begin{document}
$\vec{p}+\pvec{p}'=\pvec{p}''$
\end{document}
Best Answer
As far I have understood the math in the question, the vector is p, the remaining part is just an index to the vector. Therefore, a short vector would be sufficient as shown in the following example. I do not know about
e,s2, andd7, but10 Hzis clearly a number with unit, typeset upright, as already shown in the question and correctly done via\SI{10}{\hertz}with the macro\SIfrom packagesiunitx.\vec{p}is replaced by\vec{{}p}as Manuel has suggested in his comment.The example: