I'm investigating about possible strategies to get nice vectors, discarding bold fonts. To make it simple, I'm not very happy with traditional ways of writing vectors with arrows. Please compare $\overrightarrow{OM}$, $\overrightarrow{M}$, $\vec{OM}$ and $\vec{M}$. My preference goes to the $\vec{M}$ command which is not suited for longer names like $\vec{OM}$ and I do not like \overrightarrow. I would be interested in possibles ways to overcome these problems. Thank you
[Tex/LaTex] Strategies for nice vectors
fontsmath-modesymbols
Related Solutions
Try \varnothing from the amssymb package. It is perfectly round, and the comprehensive LaTeX symbol list states that it is preferred by many to \emptyset.
\documentclass{article}
\usepackage{amssymb}
\let\oldemptyset\emptyset
\let\emptyset\varnothing
\begin{document}
$\oldemptyset$ $\emptyset$
\end{document}
To answer your question: there is no single answer. Even at our Mathematics department, for the first grade students, there are two professors of linear algebra, one uses $\bm{v}$ (bold math from bm package), the other one uses $\vec{v}$.
I would not use bar for complex numbers, because $\bar{z}$ often denotes the conjugate of $z$. I think that you should always make clear in the text whether you are real or complex.
Generally: In my opinion, you can use whichever notation you want, as far as you use it consistently in the whole work, and make clear (in Table of Notations in the Preface, or in the Introduction) what notation you use.
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Best Answer
The
esvectpackage allows to choose between several vector arrows:Width (according to the argument) and size (according to the context, normal, subscripts, subsubscripts) are automatically calculated.