{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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7
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1answer
354 views

Number quote environment like an equation

I want to put an equation number to the right of a quote (the environment) as if it was an equation. I have looked at Equations with only text in them, How can I make LaTeX number my quotes and How ...
7
votes
2answers
5k views

Writing steps in an equation

What is the "best LaTeX practices" for writing equations with multiple steps? Feel free to recommend packages that might help. Do these methods work just as well within an enumeration? Here is what ...
7
votes
1answer
5k views

aligning a multiline formula with the bullet of itemize

I would like to use a multiline equation into an itemized list, but such that the bullet of the list is aligned with the first line of my equation. The current code I use is like this: ...
6
votes
3answers
559 views

Uneven vertical spacing displaymath

I would like to ask you why we have uneven vertical skips between the first two and last two vectors, coming from the source: \documentclass{article} \begin{document} \[(a,b,c,d,e,f,g,h)\] ...
6
votes
1answer
490 views

Equation tag in twoside-mode outer

At the moment I thinking about the following think. When I use the twoside mode to write a book I want to print the number of the equation outer. I can modify it manually with these two commands: ...
5
votes
1answer
5k views

Automatic equation numbering in LyX

I would like to create automatic numbering of equations in LyX. when I entered \renewcommand\[{\begin{equation}} \renewcommand\]{\end{equation}} for the "equation" environment it worked. However, ...
4
votes
3answers
244 views

Equation numbers are shown in reverse parentheses

I am using \begin{equation} a = b \end{equation} to write the equations in my paper. However, the problem is that the number related to each equation is not shown in the correct format like the ...
12
votes
3answers
38k views

How can I decrease spaces between equations?

\documentclass[12pt,a4paper]{mwrep} \renewcommand\baselinestretch{1.5} \begin{document} \chapter{Test} Text text text text text text text text text text \begin{equation} 1 + 2 + 3 = 6 ...
30
votes
3answers
36k views

Adding letters to equation numbers

I want to number use a equation and add a letter to the equation number such as: f(x) =a x and g(x) = b x (3.1.1a,b) That is e.g. using \begin{equation} ... \label{eq} ...
22
votes
11answers
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 ...
9
votes
1answer
2k views

How to draw slope fields with all the possible solution curves in latex

Sorry, I have no code to submit, mostly because I have no idea how to do this. I want to type up my homework (I can do the homework by hand) and I am looking for a simple method that I can use ...
23
votes
2answers
3k views

Colored underbraces for annotating equations

I am trying to implement my previous Powerpoint presentation in beamer. I have a figure like I want to create something like this in beamer. I wrote a equation as follows but I couldn't write the ...
16
votes
2answers
924 views

Suppress equation number when not refered to [duplicate]

Is is possible to use only equation or align environments without the * and then automatically suppress the equation number if there is nothing refering to that equation? It would make the LaTeX-life ...
24
votes
2answers
4k views

Should one use thousands separators in equations?

I understand that this is not strictly a TeX question but I have recently been asked to correct an equation presented as the first example in the image below to that of the second example i.e., to use ...
20
votes
1answer
26k views

What is the difference between \eqref and \ref?

Is there any difference between \eqref and \ref? I used both of them in my document using the package classicthesis and saw no difference in the result. Is there any specific situation in which I ...
18
votes
3answers
15k views

How to provide a definition for symbols in a LaTeX math equation?

Say I have an equation: x = R + E What's the best way to provide a definition for R and E? Is there a way to include a line under the equation saying what the variables mean (i.e. a "where" ...
16
votes
1answer
3k 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?
21
votes
2answers
534 views

Is eqnarray really obsolete?

I just learned in eqnarray vs align that eqnarray should be avoided in general. Ok, so I started looking at my documents to get rid of it and (as suggested) use some environment of the amsmath package ...
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 ...
17
votes
6answers
3k views

Which equations should be numbered? [closed]

Is the best practice to number all equations, or just those that will be referred to?
19
votes
1answer
33k views

Write 'text' **correctly** in equations

Although many have attempted to explain the difference among \mathrm, \textrm, \textnormal and \text (and others?), I found them misleading. See for example the LaTeX's Wiki \mathrm explanation Why ...
5
votes
2answers
1k views

Adding labels to a formula

I have a diagram like this, explaining a formula: \documentclass{article} \usepackage{stackrel} \begin{document} $\stackrel[e+f+g+h^i]{a^b}{c d}$ \end{document} For this example, I have removed ...
11
votes
2answers
668 views

Label variables of equation using tikz without using itemize

I'm trying to use tikz to label the variables of an equation. I know of a similar question (Itemized Equation) but the answer uses itemize to label the variables. I would like to do something similar ...
10
votes
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 ...
15
votes
2answers
3k views

Align Equations Over Multiple Tabular Rows

I'm trying to set up a table with some equations in it, however I would like the equations on multiple rows to be aligned properly. So far I have \begin{tabular}{cc} \hline \multicolumn{1}{l}{Header ...
15
votes
1answer
9k views

Span formula over multiple pages.

I've looked through the search but I couldn't find what I specifically want. I have the following \begin{equation} \begin{split} Very long equation \end{split} \end{equation} Now, I have half a ...
11
votes
1answer
14k views

Beamer - Uncover within Equation Mode

I have an equation and I would like to uncover part of it at a time. Take y = 2x + 3. \begin{equation*} y = 2x + 3 \end{equation*} I would like to uncover the 3 \begin{equation*} y = 2x + ...
10
votes
4answers
980 views

Highlighting equation with arrow

I want to create an equation with highlighting as shown bellow. But using following code: \documentclass[10pt,a4paper]{article} \usepackage[utf8]{inputenc} \usepackage{amsmath} ...
10
votes
1answer
1k views

Correct alignment of multiple-line inequality

I want to display a set of inequalities to look like the code below this is the lower bound ≤ this is the thing to be bounded ≤ this is the upper bound My attempt to do this is the following: ...
8
votes
2answers
8k views

How do I keep a string of text together without it doing a line break?

I'm writing up a long paper, in which in prose I have various equations. However, I do not want a line break to occur within the equation - I want the equation to stick together. I want to do this ...
8
votes
2answers
1k views

Equation numbering problems in AMSMath environments with \pause

I'm writing a beamer presentation, and trying (unsuccessfully) to use \pause to step through a numbered array of equations, with the equations appearing in turn, and the corresponding numbers ...
7
votes
2answers
6k views

Left-alignment like Fleqn-option only for specific equations

I want to left-align some equations. (Note: I want to align the equations themselves, not code inside of the equations.) I have the following example code: \documentclass{scrartcl} ...
6
votes
1answer
901 views

Generating a worksheet

My objective is to be able to generate worksheets in categories like: Laws of Indices Simultaneous Linear equations and Quadratic equations When I say generate is to generate for example 20 ...
3
votes
1answer
6k views

Add an equation at the bottom of a two-column article

How can I place a two-column equation (a large equation that does not fit in one column) at the bottom of a page?
18
votes
4answers
837 views

Inserting/Numbering/Labelling/Referencing several times the same equation written in various form

I'm looking for an automatic way in LaTeX to number a same equation that would be inserted several times (under different forms for instance). The output would look something like: some text x-y=0 ...
15
votes
2answers
2k views

Custom pagebreak in align equation

I got the following problem: Right now I am checking my equations, which are usually written in align. This looks great in most of the cases, but sometimes the pagebreaks are weird, ie there is a lot ...
12
votes
1answer
12k views

Double square brackets

In many equation editors (e.g. MS Word 2007 and Daum Equation Editor), there's a double square bracket. Is there a TeX equivalent for [[, ((, )), and ]]?
12
votes
3answers
1k views

polytopes as inequalities sistem solutions in R3 (x-y-z) cartesian space

i'm here to ask if there's a TikZ/pgf support to draw areas resulting from a system of linear inequalities, into a xyz cartesian space. i found examples of my needs for xy plan at How to plot polygon ...
12
votes
2answers
5k 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 ...
11
votes
2answers
1k views

What's the difference between split and aligned?

I don't understand the difference between the split and aligned environments introduced by amsmath, so I'm posting this question as a place to collect what subtle details there may be. One thing ...
11
votes
1answer
2k views

Referencing subequations with cleveref

I try to refer to the parent number of subequations with \cref from the cleveref package. However, I would like to change the output "eq. (...)" into "eqs. (...)" when I refer to parent numbers ...
10
votes
3answers
5k views

How to use the command \autoref to implement the same effect when use the command \eqref?

For example, the first equation of Section 1 in a tex file is numbered in the form (1.1), When we use the commands \autoref and \eqref for referring it, the compiled pdf file will show Equation 1.1 ...
10
votes
1answer
3k views

Coloured equation number (without changing colour of reference using hyperref)

I am working on a file where I am using the package hyperref so that the references to equations are linked and coloured. Here is a MWE: \documentclass{article} \usepackage{amsmath} ...
10
votes
2answers
4k views

Using the same number for repeated use of the same equation

I'm a LyX beginner so please don't worry about stating the obvious. I'm numbering equations by section in my document. That's working fine. However, when I refer to the same equation later on in the ...
9
votes
2answers
1k views

autoref and braces around equation number

I am writing an article for a journal with AMS math equation style, e.g. "Eq. (1)". I want to hyperref the entire "Eq. (1)" and not merely the "1". Currently I use ...
8
votes
2answers
656 views

Highlight and use arrows in an equation In a robust manner

I am trying to give a very simple analogy to what I am trying to do with LaTeX. I simply want to write two vectors, one below or next the other, and then, use nodes to link the last two elements of ...
8
votes
2answers
1k views

Black and white emphasis for \boxed?

I am using \boxed to place emphasis on important equations in an assignment I am typing up, and would like to give the final answer a bit of extra emphasis. I'm using \begin{equation} ... ...
7
votes
1answer
491 views

numbering parentequation of subequations

I would like to change the numbering of the parent equation of the subequations. \begin{subequations} \label{eq:Parent} \begin{align} a& \label{eq:1}\\ b& \label{eq:2} \end{align} ...
7
votes
1answer
1k views

Different space between \align and \equation

Why produce the align and the equation environment different space between the text. And what can I do, that it have the same? \documentclass{article} \usepackage{amsmath} \begin{document} Long ...
6
votes
1answer
1k views

Can I make footnote inside an equation?

Can I make a footnote to clarify an important point inside an equation?