# Questions tagged [equations]

{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.

3,871 questions
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### Intertext vertical spacing

How do I reduce the vertical spacing of \intertext?
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### 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 ...
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### 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 ...
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### Embedding large equation in tabular

When I put an equation in a tabular, it gets vertically compressed. How do I prevent that?
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### 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 ...
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### 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?
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### Increase spacing in split environment

I'm writing long equations with the split environment: $$\begin{split} ... \\ ... \\ ... \end{split}$$ The problem is that the single lines are a bit high, and there is ...
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### 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 ...
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### 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 of ...
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### 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 % ...
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### 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 ...
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### 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 ...
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### 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 ...
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### 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 the ...
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### 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 ...
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### 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 ...
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### 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 \tag{A\theequation}\label{eqn:thisone}\...
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### 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?
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### 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 ...