{amsmath} is a package provided by AMS that enhances LaTeX's mathematical typesetting capabilities in various ways.

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10
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1answer
3k views

Does amsmath provide any medium to auto-break equations?

I'm writing large equations in texlive with amsmath, and I want them to be automatically broken at the end of the line. Is there any way to do that with amsmath? What would you recommend me to do ...
32
votes
6answers
32k views

Mathematical symbol for disjoint set union

In our lecture script, we use the notion of disjoint set union. It uses a special symbol to differentiate the disjoint from the usual set union, where we add an extra dot inside of the \cup symbol. Is ...
8
votes
3answers
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AMS Split inside AMS Align

I'd like to have multiple lines inside a single align cell like so: \begin{alignat*}{1} = & \begin{split}x+\\ y\end{split} \end{alignat*} But I get an error like: \end{alignat*} \An extra ...
23
votes
2answers
6k views

How to use more than 10 tab stops in \bmatrix?

I'm using bmatrix environment from the amsmath package, and I'm trying to do something like this: \documentclass{article} \usepackage{amsmath} \begin{document} \begin{equation} ...
2
votes
1answer
929 views

Getting AUCTeX and amsmath to work with multiple files

I'm using Emacs 23.1.1, with AUCTeX plugged in, to edit my .tex files, but I'm having a small problem with my amsmath environments. The current document I'm editing is divided into multiple files. ...
11
votes
2answers
203 views

How do I make “gather” object, place its self in the text, the same way as an equation object?

Assuming the amsmath package is installed. I found a difference between the way that an equation object and a gather object is embedded within the text. If an equation is beneath a line of text that ...
0
votes
1answer
2k views

Enhanced \oint to emphasize circulation

I'm looking for a symbol that merges \iint and \oint together (a dedicated package, if it could exist, would provide something like \oiint and \oiiint). The purpose of \oint is to show that the ...
3
votes
3answers
493 views

Preceding a command by an argument

\usepackage{amsmath,amssymb,amsopn}% read amsldoc.pdf for more details %\genfrac{left-delim}{right-delim}{thickness}{mathstyle}{numerator}{denominator} %\newcommand{\frac}[2]{\genfrac{}{}{}{}{#1}{#2}} ...
10
votes
1answer
13k views

Aligning the right parts in multiple \begin{cases}

Is there an intelligent way to left-align the parts right of & of the two cases environments shown below (if x >= 0, otherwise, if y < 0, otherwise). I wonder if there is a better way than ...
9
votes
1answer
8k views

Vertical space before and after align environment

I am wondering if it is possible in LaTeX to generally adjust the spacing before and after math in the align environment from amsmath. From the Mathmode-guide (by Herbert Voss) I gather that ...
12
votes
3answers
8k views

How to increase the spacing between equations in “gather”?

Is there a way to consistently increase the vertical spacing between equation lines in a gather (or gather*) environment from amsmath? Specifically, I want to produce something like \begin{gather*} ...
8
votes
1answer
778 views

Amsmath has problems with $e^{\sum{x}}$

Running the code: \documentclass{article} \usepackage{amsmath} \begin{document} Test: $e^{\sum{x}}$ \end{document} Dies, yet it runs just fine with the \usepackage{amsmath} commented out. The logs ...
28
votes
1answer
6k views

Problem with qedhere

In a paper I'm writing, I end a proof with a displayed equation that has some cases in it. The relevant code looks something like the following: \[f(x) = \begin{cases} 2x & \text{if $x<0$}\ ...
15
votes
4answers
5k views

Intertext vertical spacing

How do I reduce the vertical spacing of \intertext?
15
votes
3answers
7k views

Aligning across 'aligned' equation blocks

I'd like to format two groups of equations such that all their equal signs line up and such that I can put a big brace to the right of each block to annotate that block. The last part is easily ...
3
votes
2answers
4k views

alignat problem

Whenever I try to use the alignat environment, it doesn't seem to work on my computer! I tried the following simple code (my file had \usepackage{amsmath}): \begin{alignat}{3} \min \quad x_1 ...
12
votes
2answers
4k views

Increase spacing in split environment

I'm writing long equations with the split environment: \begin{equation} \begin{split} ... \\ ... \\ ... \end{split} \end{equation} The problem is that the single lines are a bit high, and there is ...
41
votes
3answers
3k views

Which command should I use for displayed equations?

A number of related questions have already been asked about this issue: align vs equation which is preferable to what to do with this hyperref note on amsmath and even eqnarray vs align But I'm ...
18
votes
4answers
1k views

What to do with this hyperref note on amsmath?

http://www.ctan.org/tex-archive/macros/latex/contrib/hyperref/ has this note copied below: amsmath ------------- The environments equation and eqnarray are not supported too well. For ...
19
votes
3answers
2k views

How do magic \dots work in amsmath?

The amsmath package redefines the \dots command so that it "guesses" the correct height of the dots with respect to its context. For example $x, \dots, y$ will produce three lowered dots, aligned ...
44
votes
4answers
8k views

align vs equation

I always use align in my documents, and avoid equation. Is there anything wrong with that? My reasoning behind this: align > equation, so why not use it?
10
votes
3answers
4k views

Defining a command for amsmath's align environment

I'd like to define a shorthand command for \begin{align*} and \end{align*}. When I write \newcommand{\ba}{\begin{align*}} it works fine. But when I write \newcommand{\ea}{\end{align*}} ...