Linked Questions

0
votes
1answer
1k views

ugly \overline on some characters [duplicate]

The code at the end gives As you can see, \widehat and \widetilde give good result, but \overline looks bad on some characters, especially for A, I and J. What commands or workarounds can solve this ...
98
votes
5answers
17k views

Importing a Single Symbol From a Different Font

Is there a general way to change the font of a particular symbol without switching packages? For example, suppose I'm using Computer Modern for my entire document, but I want the "subset" operator to ...
126
votes
2answers
432k views

The \bar and \overline commands

I want to represent, say, the closure of a set or the extended reals, e.g., $\bar{\mathbb{R}}$ but unfortunately this creates a bar that is much too small (horizontally) and can barely be seen. On the ...
79
votes
4answers
274k views

\bar vs. \overline - when to use what, semantically?

Following the question "The \bar and \overline commands" which is simply about the lengths of both, I'd like to know when to use \bar and when to use \overline from a semantically viewpoint. I always ...
33
votes
4answers
57k views

Dot Derivative Discrepancy

I am trying to typeset some higher-order time derivatives using the dot notation, and I've noticed something strange. The expressions $\dot y + y = \cos(\dot y)$ $\ddot y + y = \cos(\dot y)$ give ...
13
votes
7answers
6k views

How do I get function argument parenthesis to position correctly?

I'm having trouble with the appearance of parentheses representing function arguments. They appear to far away from the function name. For example the code \left(1-f_{p}\left(l+1\right)\right)\...
12
votes
2answers
20k views

Space between rows in a table

I created a table in LaTeX, however, I can not put a space after the first row. As you can see the bar of X mean overlaps the \hline. I tried \\[1pt] after \hline, but it produced much more space than ...
11
votes
4answers
4k views

Ugly `\overline` raised to a power

I'm denoting the complement of the closure of the set $A$ by $\overline{A}^C$. This looks ugly, though (the C is too high up and not far enough to the right)--might there be any quick fixes?
8
votes
2answers
6k views

The standard \cup vs. the mathabx \cup

I'm interested in using the standard \cup, i.e. and the one given by importing the mathabx \cup in the same document. Does anyone know how to do that?
7
votes
1answer
38k views

\bar and \overline

If I write $\bar{X}$ or $\overline{X}$ the bar (or the rule) over X is smaller or longer than the width of X. Is there any way to adjust the width? Thank you in advance. MWE \documentclass{article} ...
6
votes
2answers
2k views

How can I get a \bar over a subscript?

With this code \documentclass{minimal} \usepackage{amsmath} \begin{document} ${\bar{S}}_{\text{rel,t}}$ \end{document} I get How can I extend the \bar over the subscript?
5
votes
3answers
808 views

How to put bar on top of fields

I'd like to know how to but bars (like for example $\bar s$) directly above the letter of the field, for example above this $\mathbb{F}_p$, Any help would be appreciated.
3
votes
2answers
2k views

Serious problem with \widebar

I met across a serious problem using the widebar math command defined by Hendrik Vogt as an answer to question 16337. It worked fine until I used \(wide)hat in its argument. Here is a M(non)WE: \...
4
votes
3answers
1k views

Unusual custom math accent

I want to introduce a new type of math accent that is basically an overbar, but also has small (scriptscriptsize?) text set to the right of the bar. Basically something like $\bar{A}^{\mathrm{co}}$ ...
3
votes
4answers
205 views

A universal method for left-hand alignment of a sequence of equalities

With this code \documentclass[a4paper,12pt]{article} \usepackage{mathtools, mathrsfs} %% Code for '\widebar' macro is courtesy of %% https://tex.stackexchange.com/a/60253 \makeatletter \let\save@...

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