{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.

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39
votes
6answers
98k views

How to align a set of multiline equations

I am trying to align a set of long equations, that are themselves align environments as most of them are spreading on multiple lines. Currently I just have a sequence of align environments, with ...
12
votes
3answers
21k views

How can I box multiple aligned equations?

This question is two-fold. In my document, I currently have boxes around single equations like so: \documentclass[11pt]{article} \usepackage{amsmath} \begin{document} \begin{equation} \setlength\...
10
votes
1answer
14k views

How to change equation numbering style

Here is my MWE: \documentclass[a4paper, 12pt]{report} \usepackage{amssymb, amscd} \begin{document} \chapter{Test} \begin{table}[h] \center \caption{Test} \begin{...
23
votes
1answer
26k views

One column equation in twocolumn document class

I am writing a paper (revtex4-1, reprint documentclass which I believe uses twocolumn) and need to have a long equation that needs to break the two column format. I've seen answers to this question ...
14
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 - \mu_0\...
8
votes
2answers
1k views

Defining a new command for making functional lines / package

As you have probably guessed from the title my mother tounge is not English. Therefore I have no idea if "Functional lines" is the correct term for what I am looking for. Basically I am looking to ...
15
votes
3answers
6k 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
10k 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*} ...
9
votes
3answers
15k views

List of Equations / Table of Equations

After finding Table of Equations and http://www.latex-community.org/forum/viewtopic.php?f=5&t=428, I set about making a List of Equations for my document. The catch here is that we already have a ...
7
votes
1answer
323 views

fleqn document class option, long text lines, and hyperref package

When the fleqn option is used, the vertical spacing before an equation placed right after a "long" text line (exactly \linewidth I would say) is improperly set up. See below: From the mathmode user ...
26
votes
1answer
22k views

Placing equation numbers on the right

I am new to TeX and am using scribtex to write a maths paper. When I put the followng code, the equation number is automatically displayed on the left, instead of in the right as is usually done. What ...
10
votes
1answer
1k views

Switch between leqno and reqno options (of amsmath) in the same document

I'd like to know if it is possible switch between the leqno and reqno options in the same document keeping the numbering of the equations. Namely i use the reqno option (default for amsmath and the ...
6
votes
3answers
4k views

Left-aligned text inside an equation

Inside an equation-like environment, I'd like to have some text that is aligned to the left margin of the text block, something like \intertext, but in the same line as the equation Something like ...
0
votes
2answers
9k views

\begin{equation}: “Display math should end with $$” error?

I'm pretty new to LaTeX, completely new actually, and there is one thing I can't quite understand. I get the error "Display math should end with $$" when writing an equation like this: \begin{...
4
votes
6answers
12k views

How can I auto adjust a equation to appear in the entire page? (Scale to equations, is this exist?)

If I have a document like this: \documentclass[landscape, 12pt]{report} \usepackage[landscape]{geometry} \usepackage[utf8x]{inputenc} \usepackage[T1]{fontenc} \usepackage{amsmath, amssymb, ...
150
votes
1answer
5k views

Making equations copyable in pdf

I would like to write a .pdf, where my readers could copy the rendered formulae and paste them directly in their TeX documents. And the copied text would automatically be: \int x\sin ax\;\mathrm{d}...
37
votes
11answers
10k 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?
24
votes
4answers
4k views

Exporting all equations from a document as individual svg files

I'm currently a presentation based on a paper originally written in Latex. Currently, I use Kile and Ubuntu for my work. What I'm finding is that I need a large number of the equations from the ...
22
votes
2answers
7k views

Period after math-mode equation

If I write If $x \rightarrow y$, then $y \rightarrow z$. it looks fine. But if the sentence is more involved and formulas longer, I tend to change $...$ to \[...\]. In many cases I think the result ...
20
votes
3answers
6k views

Why doesn't lineno number a paragraph when it is followed by an “align” equation environment without a space?

lineno skips the line numbering in this case: \documentclass[12pt]{article} \usepackage{amsmath} \usepackage{lineno} \linenumbers \begin{document} Lorem ipsum dolor sit amet, consectetur adipiscing ...
17
votes
2answers
867 views

How do I discard a portion of an equation number when cross-referencing?

I am writing a LaTeX document in which I number equations within sections. Thus, in my preamble I have \makeatletter \@addtoreset {equation}{section} \renewcommand{\theequation}{\thesection.\...
30
votes
4answers
65k views

Aligned equations in LaTeX

I have a long equation in LaTeX, which I need to break up into more lines. I've done this, although its not quite what I was looking for. Here is a MWE showing my problem: \documentclass[10pt]{...
15
votes
2answers
1k views

How do I show the equation formula again instead of its number of ref?

I have an equation: \begin{equation}\label{eq:equation} f(x)=x \end{equation} I would like to refer to this equation and show the whole formula again, and not only its number. In other words, I ...
10
votes
3answers
9k views

Uncover a multiline equation with beamer

I am using the beamer class for a presentation and amsmath package for the math mode. If I uncover the formula in the following way, the formula jumps between slides, which is not intended. \begin{...
10
votes
4answers
22k views

side-by-side equations, with equation numbers for each

The align command from amsmath allows me to put two equations side-by-side: \begin{align} x = y && a = b \end{align} Unfortunately for my purposes, this shows both equations under one ...
7
votes
2answers
1k views

How to number each equation of simultaneous equations grouped by a left curly brace? [duplicate]

Consider the following MWE. \documentclass[preview,border=12pt,varwidth]{standalone} \usepackage{amsmath} \begin{document} \abovedisplayskip=0pt\relax \begin{equation} \begin{cases} ax + by =c \\ px ...
3
votes
1answer
8k views

“!Missing $ inserted” error using amsmath environments

I am trying to compile a document with equations but whenever I use \begin{eqnarray}..\end{eqnarray} or \begin{align}...\end{align} or anything like this I get the error msg !Missing $ inserted.<...
14
votes
2answers
5k views

inserting sentences between subequations

My apologies for asking so many questions here. I want to introduce a sentence in between 2 subequations which is not in math mode. Here is the code that I am using: \documentclass[12pt,oneside,...
8
votes
1answer
2k views

Multiply defined labels using hyperref

I'm using the stackrel command to indicate important steps in the transformation of formulas. E.g. I would write: A\stackrel{(!)}{=}B so that I can later explain in text why exactly A equals B. I've ...
7
votes
1answer
3k views

Add Overbrace to describe a column of matrix

I want to add some over-braces to a matrix to get the following output: However, this this what I managed to get: I don't know how to get the neuron 1 and neuron 2 headings...I was thinking of ...
6
votes
1answer
2k 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 ...
3
votes
2answers
132 views

Refer to the “name” of an equation, while a List of Equations is generated using these names

I link two questions below because I use their solution, to number my equations and generate a list of my equations. My question about numbering equations: Number of Equation: 1, 1a, 1b Generate a ...
54
votes
1answer
29k views

Is it possible to pagebreak aligned equations?

The report I'm writting features a lot of long, multiple lines equations. To reduce visual polution I've been using an aligned environment nested inside equation. This way (unlike just using an align ...
23
votes
2answers
54k views

How to link an equation in LaTeX

I am wondering how I can link an equation in LaTeX, I mean when I click on the link then I'll be directed to that specific equation.
23
votes
5answers
4k views

Multicol layout for systems of (linear) equations

How can a similar arrangement be archived (with ams*, aligned, multicol, etc) 1.2.3 Solve the following system of equations: a) x - 2y - 4z = 1 b) -23x + 43y = 22 3x - ...
15
votes
3answers
2k views

How can I illustrate decimal to binary conversion?

As part of my homework for discrete math I need to convert different decimal values, both positive and negative, to 8-bit binary representations using signed magnitude, 1's complement, and 2's ...
19
votes
2answers
606 views

Equation numbers in outer margins on a two-sided document

I'm looking for a two-sided extension to the solution for this question: Put equation numbers in the sidemargin with Tufte-Latex class This post seems relevant: Equation tag in twoside-mode outer ...
17
votes
4answers
7k views

Intertext vertical spacing

How do I reduce the vertical spacing of \intertext?
16
votes
2answers
18k views

Linebreak between \left and \right [duplicate]

Possible Duplicate: How to make \left, \right pairs of delimiter work over multiple lines? I would like to type something like this: \begin{equation} \begin{split} \left( ba ba ba \\ ...
11
votes
4answers
8k views

Coding an equation with description

I want to code this equation in LaTeX: I'd like to know how to code the equation and the description below it with a reference as well.
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. ...
12
votes
4answers
2k views

Align denominator of fraction to left

The highlighted part has the equation centred, which looks rather imbalance with the top equation, is it possible to align the highlighted part to the left? Below is the code I am using. \begin{...
11
votes
3answers
6k views

Modify \eqref command

I want to edit the \eqref command so that \eqref will produce Eq. (1), for example, instead of (1). Of course, I could define \newcommand{\reff}{Eq.~\eqref} but then I lose my editor's ability to ...
11
votes
1answer
7k views

Vertical spacing before and after equation environment: empty line or not?

The vertical spacing in front of and behind the amsmath equation environment is different whether I insert a blank line or not (im using KOMA-Script with parskip=half if this is important). I'd like ...
9
votes
3answers
934 views

Arrow pointing to subscript in equation

I'm writing an equation for the components of a contracted tensor. I want to label one of the lower (covariant) indices with the text "rth positon," and have an arrow pointing to it from below. Any ...
8
votes
1answer
4k views

Punctuation in equations

My document will contain a lot of equations, and as usual in that case I would like to use "punctuation" in the equations, like commas, colons, periods/full stops, semicolons, etc. Is there a special ...
4
votes
2answers
4k views

How to label text with equation number?

I'm trying to put equation numbers next to text as if said text was an equation. If I use \text{} in an align* environment, it typesets the text right-aligned and the whole environment centered, but ...
6
votes
1answer
9k views

Numbering equations with LyX

I am using LyX with layout report for my thesis. I would like to have numbering on my equations but dont know how to do it. I'd like the first number to show the chapter and the second one the number ...
5
votes
2answers
467 views

equation with arrows

My intention is to create equation which looks similar to one of examples below (I prefer the second one). There should be an arrow from JKL to DEF and GHI and from GHI to DEF. Neither alignment ...
4
votes
1answer
654 views

Left-hand vertical rule applied to flalign environment with automatic pagebreak

I am referring to the coderule environment (see Override \centering to left justify an image) presented earlier by @TH as answer to the following question: Override \centering to left justify an image ...