{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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10
votes
1answer
411 views

What would be the appropriate technique for typesetting a “where” list of variable specifications after an equation?

I'm often finding I need to lay out an equation in a manner resembling the following source: \begin{align*} x = y + z \end{align*} where $y = $ the value of $y$; $z = $ the value of $z$. ...
9
votes
1answer
5k 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 ]]?
9
votes
1answer
321 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: ...
9
votes
5answers
2k views

How to subtract two equations?

I am trying to subtract one equation from another but I can't get it to display the way that I want. This is what I have right now. \begin{align*} &y&=2x+5\\ -&&\\ ...
9
votes
1answer
2k views

Why doesn't lineno number a paragraph when it is followed by an indented equation?

While searching for the source of missing line numbers, I realized that paragraphs followed immediately by an equation have no line number, but this is fixed when a space is included, e.g. the ...
9
votes
1answer
3k views

How can I add numbers to specific equations in an eqnarray*?

I know how to use \nonumber or \notag in \begin{eqnarray} \end{eqnarray} environment. But is there something like \addnumber or \addtag in \begin{eqnarray*} \end{eqnarray*} environment ? For ...
8
votes
3answers
3k 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 ...
8
votes
1answer
2k 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} ...
8
votes
6answers
3k views

Setting a single equation in a paragraph in a smaller font

I'm trying to figure out the best way of making a single equation just a little bit smaller. Of course, I could try and break up the equation into pieces and proceed that way, but I'd like to ...
8
votes
2answers
3k views

What are the Open source WYSIWYG Independent Web Equation Editors available on LaTeX/MathML

I am looking for a solution of an Equation Editor to be added to my site. The equation editor should be open source, WYSIWYG (users should be able to type out Equations as if in MS Equation Editor or ...
7
votes
3answers
982 views

A vertically centered equation number on a multline environment

The multline environment does exactly what I want in splitting a long formula between lines by utilizing the horizontal space to the fullest. (I don't want the alignment features of the align ...
7
votes
2answers
635 views

Excess vertical space in mdframed ending with display math environment

When the mdframed environment ends with an align there is excess vertical spacing at the bottom. I would like to adjust the MyBoxedEnvironment environment such that the vertical space at the bottom ...
6
votes
2answers
751 views

Changing the formatting of equation numbers

How can I change equation numbering so that the chapter number is outside the parenthesis like this: 1(1) instead of (1.1)
5
votes
1answer
164 views

Set a minimum space above and below displayed math

NOTE: This question is specifically about adding vertical space that increases to compensate for tall symbols. Thus, it is not a duplicate of How can I change the whitespace above and below math ...
5
votes
1answer
113 views

Labeling Multiple Equations Per Row of a Table

I am trying to create a table with two columns of independently labelled equations (1-6). Unfortunately, everything I have found so far either has not worked or would number them as sub-equations (1a, ...
5
votes
3answers
982 views

How to number equations with a list environment

Hi I wish to number equations with a list environment \begin{itemize} \item Lol \begin{equation} y_t=h_t(\hat{x}_{t|t-1}) \end{equation} \end{itemize} I want y_t=h_t(\hat{x}_{t|t-1}) in the same ...
4
votes
1answer
198 views

Add \par only if last paragraph did not end with displayed math

Background: I have named "sections" (sections for rest of this question) which are conditionally displayed or suppressed based on parameters. To simplify the test case below, these are controlled by ...
4
votes
2answers
5k views

Sub-numbering equations within array

I'm using the array environment to give multiple definitions of some value, let's call it x. I can easily get a reference to all 3 definitions together, but I want each one to have its own reference. ...
4
votes
2answers
272 views

Problem with equation format when starting equation with \dot and \ddot

I am having problems with equation formatting inside the equation environment when the equations begin with \dot or \ddot When I write: \begin{equation} \ddot{\theta} + \frac{g}{l}\sin(\theta) ...
2
votes
1answer
99 views

What is the best way to automatically replace $$ … $$ by \[ … \] in multiple files? [duplicate]

Thanks to this great site I've learned that in LaTeX one should always use \[...\] pair for equations typesetting instead of $$...$$. Unfortunately it is too late: I already have a big text with this ...
2
votes
2answers
192 views

Align equations inside tabular

How can I align equations inside tabular? I want to place few lines of equation by side of the picture. But it turns out that I cannot use \& in order to shift equals signs to be one under ...
1
vote
2answers
885 views

Linebreak in equations

I have a very simple LaTeX problem with the following LaTeX fragment: The function computes: \[ e \leftarrow (((x||a) + (y||b)) \oplus y,\\ r \leftarrow x + y \] The result should then be in ...
19
votes
4answers
4k views

How to break a long expression in the denominator of a fraction?

I used the split command to break my equation but I receive the error: ! Missing } inserted. <inserted text> } l. \end {split} The code in .tex file is as follows: ...
16
votes
1answer
11k 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 ...
13
votes
2answers
9k views

Multiple subequation labels in one \ref

I'm trying to write a macro that puts subequations' labels in parentheses in a compact form. For example, if I have \begin{subequations} \begin{align} y - ax &= b \label{subeq1}\\ x^2 + ...
11
votes
1answer
346 views

Text in an equation

This is best explained by example. Suppose I have the following: \[ \begin{align*} C_3 \rightarrow 6 automorphisms\\ C_4 \rightarrow 8 automorphisms\\ C_5 \rightarrow 10 automorphisms ...
10
votes
2answers
2k views

Equations and Double Spacing

If a document (in any class) is double spaced, how do you redefine the spacing around centered equations as if there was single spacing? Whenever I use double spacing, I feel like the space before and ...
8
votes
2answers
224 views

How to align multiple symbols for a long equation?

\documentclass[11pt]{article} \usepackage{xfrac, array, tabu, multirow, graphicx, setspace, dcolumn, tikz} \usepackage[fleqn]{mathtools} %the argument for d specifies the maximum number of decimal ...
8
votes
2answers
719 views

Smartly omit chapter number in equation numbering

In my thesis I use chapters, sections and subsection. I like to have my equations numbered with respect to section, but I want the displayed equations numbers not to include the chapter number. ...
8
votes
2answers
545 views

Equation with Large Matrix Dimension

I'm trying to code this matrix equation below, I'm not an expert in latex, but I've been successful dealing with other matrix equations. However with this one, I can't achieve it. The alignment of ...
8
votes
3answers
269 views

Changing the number of figure or equation automatically in text by changing the places of figures and equations

Is it possible to automatically reference a figure and equations in text? I meant sth like bibliography references. Moreover, by changing the place of the figures or equations relevant figure or ...
7
votes
2answers
834 views

Typesetting double brackets and double parentheses

I need the LaTeX equation with double square bracket and double paranthesis. Can anyone suggest me the proper code? Here, I had attached the screenshots.
7
votes
3answers
2k views

How to split optimisation problem over two lines?

I have this expression involving minimisation. How do I split it over two lines? The problem is \min seems to be separated from the objective function. breqn does not seem to work, as this is not an ...
7
votes
2answers
573 views

How do I format this equation in LaTeX?

I want to write this equation in Latex. Sorry, I don't know what's the specific name of this kind of equation. I know title is so general.
6
votes
1answer
66 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 ...
6
votes
1answer
662 views

Equation number too close to my equation

My equation number is being placed directly below my equation, so close they're almost touching and it looks really bad. Is there any way that I can get it to move down a little bit? Here's a picture. ...
6
votes
2answers
303 views

LaTex Error Help- Math Related

I'm trying to make an equation array \begin{eqnarray*} f^{(a)} (0) &=& \frac{a!}{2 \pi i} \oint_{ |z| = \frac{\varepsilon}{r}} \frac{f(z)}{(z)^{a+1}} dz &=& &=& ...
6
votes
1answer
402 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
2answers
187 views

How can I vertically align the numerators of two fractions?

I am writing the following formula: % arara: lualatex \documentclass{article} \usepackage{mathtools} \usepackage{unicode-math} \begin{document} ...
5
votes
1answer
3k 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, ...
5
votes
1answer
7k views

aligning split equation

I am new to Latex ;) I split my equation like this: \begin{equation} \begin{split} \tilde{m}=P\tilde{M} \\ \quad = K(R^1R^2R^3t) \begin{pmatrix} X \\ Y \\ 0 \\ 1 \end{pmatrix} \\ \quad= ...
4
votes
1answer
184 views

The equation is too long to fit in the beamer frame, but split environment does not work

The main code is as follow: \begin{frame} \frametitle{Householder Transformation} \begin{equation} %\onslide<1-> \mathop{ \begin{pmatrix} \times & \times &\times \\ ...
4
votes
3answers
5k views

amsmath - multiple labels in one equation

I would like to use multiple labels in the same equation when using amsmath. Basic latex already has this feature, but not amsmath, which seems to manipulate labels in complicated ways. Is it possible ...
4
votes
2answers
911 views

How to make equations, figures and theorems use the same numbering scheme

It was asked a while ago how to make equation use the same counter as a theorem for example and one solution was to make the theorem counter use the equation instead by using ...
3
votes
1answer
83 views

Equations with only text in them

I would like to include equations in my article which have only text in them (in some cases there may be a little math) so that it keeps proper formatting. I tried using \mbox but then the text is so ...
3
votes
1answer
8k views

Latex question “Missing $ inserted

I want to write this simple equation in latex 2/|w| In which |w| is the norm of w,, I tried with \frac{2}{\|w\|} And get error "Missing $ inserted" then I use this ...
3
votes
1answer
60 views

Cross-referenced equation never becomes defined

I have a strange problem with cross-referencing my equations: no matter how often I run pdflatex they stay undefined. Other references do get resolved. Is there something wrong with the way I label ...
3
votes
2answers
373 views

Write this equation

I want to write this equation in this way down but I have been unsuccessful. How can I improve this codes in order to get the equation below? \[ DeltaC{t} = \left\{ \begin{array}{ll} -1.40- ...
3
votes
1answer
94 views

To have nice tabbed text next to equations?

I want I have at the moment by \documentclass{article} \usepackage{amsmath} \begin{document} \begin{subequations} \begin{equation} \omega_c = \sqrt{\omega_{0}^{2} - \mu^{2}}, \mu < ...
3
votes
1answer
258 views

Align all equal signs in the document

Is there a way to align all the equal signs in all equations all over the document? I write a theses (scrbook) and like all equal signs to line up. At least in a chapter if not possible for the whole ...