{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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21
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3answers
3k 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 ...
31
votes
3answers
49k views

Show equation number only once in align environment

I want the equation number to be shown only at the last line, or better, somewhere in the middle of all. So instead of (1), (2), ... only (1). I use \begin{align} ... \end{align}
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 ...
14
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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 ...
19
votes
2answers
19k 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 ...
10
votes
3answers
8k 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. ...
13
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 ...
13
votes
1answer
5k views

How can I position equation numbers always to the left side?

Equations and amsmath environments put equation numbers to the right side by default, the output of \begin{multline} some equation \end{multline} is: equation (number) How can I change it this ...
13
votes
2answers
3k 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: ...
9
votes
4answers
13k 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 ...
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 ...
3
votes
1answer
6k 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 $ ...
16
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2answers
36k 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
3k 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 - ...
18
votes
1answer
14k 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 ...
17
votes
2answers
777 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} ...
16
votes
4answers
484 views

Graphics equations: put text on equations

I have a big question that I cannot solve by myself. I would like to add text on my equations, but I like to have some graphics on those. For instance, I would like to explain why I am doing ...
18
votes
2answers
7k views

Alignment of equals sign in multiple align environments

I have multiple align environments in my document, separated by a small paragraph of text: \begin{align*} foo &= something very very long compared to the other align \end{align*} explanation ...
22
votes
4answers
32k 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: ...
17
votes
2answers
548 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 ...
10
votes
4answers
5k 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. ...
10
votes
2answers
10k 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} ...
15
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4answers
5k views

Intertext vertical spacing

How do I reduce the vertical spacing of \intertext?
10
votes
4answers
1k 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. ...
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 ...
4
votes
1answer
19k views

Left brace including several lines in eqnarray [duplicate]

How is it possible to make a brace and have something like this in a eqnarray block?
7
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2answers
3k views

Simple Beamer Template for Total Beginners

Is there a template that allows me to create slides with only some simple formulas at most?
6
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2answers
664 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 ...
5
votes
2answers
297 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
606 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 ...
14
votes
2answers
6k views

How can I center text/math inside a list environment?

When using math (display) mode in conjunction with a list environment, the displayed material is not truly centered on the page; it is only centered with respect to the indentation of the item. ...
10
votes
2answers
836 views

Custom alignment of columns in align environment

I need to typeset two columns of equations, each row typeset with an equation number to the right as with an ordinary equation. The first column must be centered, and the second column must be ...
9
votes
1answer
445 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 ...
9
votes
1answer
371 views

Spacing issue for newenvironment wrapper of equation environment

If I create a custom environment based on the equation environment, I get a spacing issue: the next line of text after my environment closes doesn't start on the left margin. Example code: ...
6
votes
3answers
3k 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 ...
4
votes
1answer
6k 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 ...
12
votes
1answer
793 views

Center over-long equations between both margins

I understand the reasoning behind the fairly narrow textwidth in a default LaTeX article. 60-80 characters per line and all that. However, I am preparing a document that features many lengthy ...
8
votes
1answer
467 views

Label equations arbitrarily

When I have equations, as in \begin{equation} ... \end{equation} Can I arbitrarily assign the numbers to the equations? Instead of the usual order (1), (2), (3), ..., I'd like something like (1), ...
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 ...
4
votes
1answer
249 views

How to put a text label *before* an equation?

currently I have an optimization problem defined in {equation} environment: I want to add a label (P) before equation (6). Currently, I had to use the first line "Optimization problem (P)" as a ...
3
votes
3answers
4k views

Numbering side-by-side equations or inline equations

I am trying to produce a two-column table of math equations, where each cell contains its own left-justified, numbered equation. I tried using \begin{equation} \end{equation} inside the tabular ...
139
votes
1answer
4k 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 ...
22
votes
6answers
65k 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 ...
22
votes
2answers
3k views

Table of Equations

I've looked around for this, and haven't been able to find a satisfactory answer; How would one go about producing (automatically) a table of equations, just a numbered list of used equations, ...
17
votes
2answers
5k 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 ...
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 ...
15
votes
2answers
7k views

Too much space at the top of a beamer block when using multilined math environment

I would like to place two math lines in a beamer block, as two separately centered lines. I know that I could do this using two distinct equation environments, but it would be nicer to use a single ...
20
votes
2answers
2k views

Typesetting Right-to-Left math

UPDATE: I've managed to produce something that is aesthetically correct, however with a lot of "hardcoding" and trial and error to manually measure my spaces. Not to mention that I have to write my ...
7
votes
2answers
21k views

Align multiline equation with expression after equal sign

I am trying to align a multiline equation using array within the equation but it turns out it doesn't do very well. The code I am using is as follows: \begin{equation}\ \begin{array}{lcl} ...