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1500 questions
196
votes
23 answers

Are there any open research problems in the world of TeX?

For a year-long capstone project in computer science, I have to do some 'original research.' I'm still not entirely sure what this entails, but it just struck me that perhaps I can do research and simultaneously help the only open source project I…
Sean Allred
  • 27,421
195
votes
7 answers

Math symbol question: Vertical bar for ''evaluated at ...''

How do I insert the line "|" after the equation in LaTeX (see image below)? I'm using LyX so if you can point me to the symbol of that line is also OK. I don't know if this line has a proper name so the title of this question may be very vague. If…
cidadao
  • 2,053
195
votes
8 answers

Stop LaTeX from breaking an inline math equation

I hope this question was not asked before. At least I haven't found it. I have an inline math equation and LaTeX is breaking it into two parts. In this case I'd prefer to have the whole and short equation in one line. Is there any way I can do that?…
quinmars
  • 5,477
194
votes
1 answer

How to typeset a "small" non-breaking space

I can use ~ to produce a non-breaking space. But it is too large for me, and I would like a non-breaking space of the size of \, for example. Is it possible ?
Loic Rosnay
  • 8,167
194
votes
9 answers

How to vertically-center the text of the cells?

I have a simple table as follows: \begin{table*} \centering \begin{tabular}{|l|c|c|c|c|p{2in}|} ... ... \end{tabular} \caption{The factors the camera solver depends on to evaluate the rules.} …
Rafid
  • 5,717
193
votes
4 answers

How to get only one vertically centered equation number in align environment with two equations

What I have are two equations with align and I want one single equation number to refer to this system of equations. To illustrate, I have \begin{align} dr_t &= \kappa ( \theta - r_t ) dt + \sigma_r r^{\xi} dW_t \\ dA_t &= \mu A_t dt +…
Paul Koer
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192
votes
6 answers

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 other hand, $\overline{\mathbb{R}}$ creates a…
3Sphere
  • 3,651
192
votes
3 answers

Which tabular packages do which tasks and which packages conflict?

I've read a couple of questions recently about tabular environments, and it seems there's a whole bunch of packages that do stuff in this field. I'd really like a summary of what each package does, and which conflict. For example a quick google…
Seamus
  • 73,242
191
votes
2 answers

Positioning content at the top of a beamer slide (by default)

When I create beamer frame, the content is centred in the slide. How do I make the content move to the top of the slide by default?
csgillespie
  • 5,218
190
votes
2 answers

Why is \newpage ignored sometimes ?

I have the following towards the end of an article. The bibliography is short (4 entries). What's happening is that on the very last page of document I get the chart and immediately afterwards the References section, despite the \newpage directive.…
190
votes
8 answers

Small Caps and Bold Face

I can't seem to have both the small caps and boldface styles on a line: \huge\sc\bf Hello This will generate bold text, and if the \sc is placed after, it will generate small caps text but not bolded. They seem to override each other, so is there…
verhogen
  • 2,001
190
votes
23 answers

Why should I use LaTeX?

I have heard a lot about LaTeX, but never used it myself. It is mainly used for typesetting professional research papers. But I am not writing research papers. Is LaTeX for me? If yes, why should I be shifting from OpenOffice to LaTeX? What does…
Lazer
  • 1,204
189
votes
3 answers

What's the difference between the environments quote and quotation?

On meta, I've found the disscussion {quotation} and {quote}, but it doesn't answer my question. When should I use the environment quote? When quotation?
lumbric
  • 4,269
188
votes
2 answers

Drawbacks of xspace

I'm certain I have read that xspace can cause more problems than it solves. But I cannot find anything to that effect either on this site or the web. Are there any drawbacks or risks associated with it?
Mohan
  • 15,906
187
votes
6 answers

How can I use a vertical space between paragraphs, rather than indentation?

I would like to have my whole document showing a blank line (or space) between paragraphs and no indentation. I know how to do it line by line, but is there a way to change that with just one or a few lines at the beginning of the document? Like a…
Vivi
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