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### 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 ...
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 ...
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 ...
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 ...
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 ...
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)\...
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 ...
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?
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?
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} ...
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?
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.
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### 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: \...
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 $\bar{A}^{\mathrm{co}}$ ...