{equations} is about the various environments to typeset displaystyle mathematics, e.g. equation and {align}. For general questions about mathematical typesetting use {math-mode}. Both tags are possible on the same question.

learn more… | top users | synonyms (1)

16
votes
6answers
5k views

Align two inequalities

I am trying to align two inequlities vertically. The \le signs should have the same horizontal positions and the term in the should be centered. My first attempt: \begin{align*} \sum a &\le \sum ...
10
votes
1answer
2k 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 ...
72
votes
4answers
141k views

How can I split an equation over two lines

I am having the following equation: \begin{equation} Q(\lambda,\hat{\lambda}) = -\frac{1}{2} P(O \mid \lambda ) \sum_s \sum_m \sum_t \gamma_m^{(s)} (t) \left( n \log(2 \pi ) + \log \left| C_m^{(s)} ...
12
votes
3answers
17k views

Make equations large

I'm including some equations in my document, but want them to appear very large. I have them in display mode, as opposed to inline mode, but can't seem to find any way to make them larger. I've tried ...
10
votes
5answers
3k views

Moving the equation number up

In what's below, the equation numbering is annoying and forcing it to move up would be a solution. Anyway what are your suggestions to fix this without modifying the equations? ...
11
votes
2answers
198 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 ...
14
votes
2answers
830 views

Is it possible to have a “real” \belowdisplayshortskip?

I think this is a tough one. Have you ever wondered why TeX sometimes produces vertical spacing around equations that is far from satisfactory? An example: \documentclass{article} ...
19
votes
10answers
2k views

What useful web services are out there?

Looking at this question, I wonder what good and useful web services are out there. For example the LaTeX symbol classifier looks interesting. You can draw a symbol with your mouse and get back the ...
20
votes
1answer
2k views

Does a tool exist which can take a LaTeX equation and convert it to a format suitable for evaluation in Wolfram's Mathematica?

I use LaTeX to type up my homework, but as I work I often need to pop things into Mathematica (or manually type them in, or manually use my TI-89, etc.). Currently, I've been manually translating ...
10
votes
1answer
11k 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 ...
8
votes
3answers
13k views

Big \sum instead of small \sum in array environment

\begin{align*} \begin{array}{c} \min \: A = \min \: \sum_{i\in B} C_i \\ \\ \min \: D = \min \: \sum_{i\in B} \pi_i \cdot F_i \end{array} \end{align*} See http://i.stack.imgur.com/TFIfY.png for an ...
25
votes
3answers
1k views

How to avoid widow lines after displayed equations

If a displayed equation is close to the bottom of the page, TeX likes to insert a page break even if the current paragraph contains only one more line after the equation, as e.g. in ... it follows ...
19
votes
4answers
7k views

Making a new environment combining equation and split

I'm trying to define a new environment that consists of a split environment inside an equation environment. But I'm getting an error. Here's what I'm doing: \documentclass[a4paper,12pt]{article} ...
10
votes
1answer
1k views

How to organize labels when there are too many equations?

I'm writing a moderately long text using LaTeX, and it's great to be able to organize chapters, sections, appendices, and everything else almost automatically. One thing has been bothering me though. ...
6
votes
1answer
1k views

Displaying an equation in a list

How could one get a displayed equation inside a list environment, say itemize, so that the equation is both centered horizontally and on the same line as the bullet, but with the bullet still on the ...
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*} ...
12
votes
2answers
2k views

How do I produce Theorems and equations which are numbered by hand?

I'd like to be able to write a LaTex document with numbered theorems and equations, but I would like not to have them numbered automatically, but rather put in by hand. Ideally, I'd like to be able ...
33
votes
5answers
110k views

How do I turn off equation auto numbering

I have an equation like this: \begin{align} P(A \cup B) = \sum_{\omega \in A \cup B} P(\omega) = \sum_{\omega \in A} P(\omega) + \sum_{\omega \in B} P(\omega) = P(A) + P(B) ...
7
votes
3answers
584 views

help with creating a page of equations using (LaTeX?)

I am looking to create a template where I can quickly generate pages of basic math equations. LaTeX seems like a good place to start typesetting math equations but I am completely stumped with the ...
10
votes
2answers
9k views

A lateral brace to group a set of equations with labels

I have a set of equations that I'd like to display together (as an example, the Maxwell's equations). Requirement #1: I'd like to have them labelled like in an align environment \begin{align} ...
13
votes
1answer
7k views

How can I have a bigger integral (\int) delimiter?

I'm writing some integrals and I don't like the way the \int symbol is displayed when it is followed by a big delimiter. Here's the code: \[ \int_S\biggl(\nabla\times\bar B - \mu_0\bar J - ...
9
votes
2answers
988 views

Changing the font for equation numbering

I know that I can change the font for the equation numbers by redefining the \theequation command by, say, \renewcommand{\theequation}{{\sffamily\arabic{equation}}} I am wondering if there's a ...
15
votes
4answers
5k views

Intertext vertical spacing

How do I reduce the vertical spacing of \intertext?
12
votes
3answers
4k views

How to Make Theorems and Equations Share Numbering

How do I make theorems and equations share numbering? The default numbering system goes like this: Theorem 1. Blah blah blah... 1=0+1 (1) Theorem 2. More blahs... Theorem 3. No more ...
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 ...
5
votes
1answer
1k views

Embedding large equation in tabular

When I put an equation in a tabular, it gets vertically compressed. How do I prevent that?
17
votes
1answer
12k views

How can I add left aligned text to an equation?

I have a document I am trying to copy to learn TeX. Here is what I have encountered: How can I have the "or" in the equation. This is what I have right now: \[ f = ma; \] But $a$ is the change in ...
12
votes
1answer
2k views

Using braces to label parts of an equation

Given an equation, say Bayes' rule, $P(X \mid O) \propto P(X)P(O \mid X)$ how do I label the different parts of the equation using curly braces?
11
votes
2answers
3k 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 ...
3
votes
4answers
326 views

What is a good way to stack things in an equation?

I have a string of inequalities, and somewhere in the middle I have two things which are equal. To fit this nicely on a single line, I would like to stack the equal things. So I wanted to do ...
19
votes
1answer
4k views

Aligned equations inside of TikZ node.

How can I create a tree node with an aligned math equations inside? \begin{align} \end{align} doesn't work \begin{minipage}{100} \begin{align} ... \end{align} \end{minipage} Gives a lot ...
9
votes
4answers
46k views

Bold text and newlines inside equations.

What I'm doing: \usepackage{amsmath} \usepackage{amsthm} \usepackage{eucal} \usepackage{amssymb} \usepackage{mathrsfs} % don't know what some of those do, but i think all the math related ones are % ...
39
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 ...
4
votes
2answers
239 views

Determining the height of the current line, especially in displayed math

Is there a way to determine the height of the current line? More specifically, after the hbox comprising the current line is finalized, I'd like to determine it's height (and perhaps also depth) and ...
16
votes
1answer
8k views

Adding line numbers to latex and respecting equations

It's often convenient to add line numbers to a page automatically and the lineno package generally does the trick. But I've had two problems with it It doesn't seem to align the line numbers with ...
35
votes
4answers
10k views

How can I get rid of indentation after an equation?

I'm a total newbie to LaTeX and I get very annoyed about this. Every time I write an equation, the text following the equation has some indentation but I don't want it to be there! Look at the ...
245
votes
8answers
21k views

Why is \[ … \] preferable to $$ … $$?

I've heard that you should use \[ ... \] for displayed equations instead of $$ ... $$, but why is that? I'd assumed that it's so that you can more easily tell which are starting and which are ending ...
16
votes
1answer
7k views

How to reference equations using letters and numbers

Sometimes it is convenient to refer to a group of equations by a letter and a number. For example: 2+1 (A1) 2+4 (A2) x^4 (B3) x^e (B4) Placing ...
41
votes
4answers
7k 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?
33
votes
5answers
5k views

How can I get an underbrace and an overbrace to partially overlap in an equation?

Sometimes I want to describe portions of an equation using \underbrace and \overbrace in such a way that the portions are not completely distinct, for example: /-------\ x = A + B + C + D + E ...
90
votes
5answers
109k views

eqnarray vs align

Motivation I want to include a list of related equations, say, for a proof, in my LaTeX document. As far as I know, I have two good options, eqnarray and align. Question What is the difference ...
35
votes
11answers
6k views

Embedding LaTeX equations into a webpage

I'd like to include some basic math equations into a webpage. Is there an easy way of either compiling the LaTeX into an image which I can upload, or else of having the browser parse the code?