{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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2answers
34 views

Place an equation in two-column paper style

I am using an equation in IEEE style confrence paper. The pages are two column and I cannot place the following equation in the page. How I can make the equation be placed in one column ? ...
2
votes
1answer
33 views

Formatting matrices with vector elements along column headings?

Often I've seen the matrix equation Ax = b presented as matrix A augmented with vector b, with the individual elements x_1 ... x_n written sequentially as headers across the columns; is it possible to ...
3
votes
1answer
12 views

\if leqno or reqno: command to check whether left or right eq. Numbers were set

I am defining my own command and need to check, which mode the user has set, whether reqno or leqno. Is there a way to do this?
3
votes
2answers
71 views

how to do this equation?

I wonder how I can do this equation in this style, I tried to make it into a matrix, but is disastrous. \begin{equation} \begin{matrix} ...
3
votes
1answer
27 views

Alignment of equations that contain Feynman diagrams

I want to insert a Feynman diagram into an equation, but when I do so, I find that the Feynman diagram and the rest of the equation are awkwardly aligned. The picture should make it pretty clear what ...
1
vote
2answers
36 views

phantom and parentheses in multiline equation

When I have a multiline equation enclosed by parentheses, that I want to split, why is the brackets command inside the phantom one, not recognised by the right bracket command? For example, if I have ...
1
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1answer
22 views

Horizontally align objects inside arrays of different equations

In this set of equations... ...is it possible, to horizontally align the columns with the xes? More precisely, I would like to shift the right hand side of the upper equation, such that the xes ...
47
votes
4answers
8k views

What are the differences between $$, \[, align, equation and displaymath?

I once learnt, that it is uncool to use $$, but why is that? Why does \[ not act as a abbreviation to \begin{align}? I noticed, that there is a difference, since one cannot use & and \\ inside a ...
0
votes
0answers
25 views

Spacing between consecutive displayed equations

I'm trying to adjust the spacing between several display equations, without having to put them in AMS align environment. I inserted several display equations in a row, each creating its own new line, ...
1
vote
2answers
44 views

Overbrace/underbrace without extending brackets/parentheses

I'm using \overbrace to explain a part of an equation, like this: \begin{align} a\left[\frac{d\cos y}{e} + \overbrace{\frac{b\sin x}{c}}^{\text{second bit}}\right] \end{align} But the overbrace ...
10
votes
1answer
2k 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?
1
vote
1answer
19 views

Align multiple lines in 'multline' command

\begin{multline} e^{-\lambda T} = ( 1 - \log S_j^* (T))^{\frac{1}{1-\theta}} \\ - \lambda T = \dfrac{1}{1-\theta} \log ( 1 - \log S_j^*(t)) \\ T = \dfrac{1}{\lambda (\theta-1)} \log ( 1 - \log ...
4
votes
1answer
133 views

mathematical operator disappear

I have a problem with mathematical operators such as "=", "+" etc. Whenever I type them within a mathematical environment (equation, eqnarray, in line equations via $...$, displayed equation via ...
1
vote
1answer
71 views

Boxing 4 equations with a thin gap

Currently i have. \begin{equation*} \boxed{ \begin{split} EQUATION1 \\ \\ EQUATION2 \\ \\ EQUATION3 \\ \\ EQUATION4 } \end{equation*} However the gap inbetween looks ridiculous and would ...
8
votes
3answers
12k views

Big \sum instead of small \sum in array environment

\begin{align*} \begin{array}{c} \min \: A = \min \: \sum_{i\in B} C_i \\ \\ \min \: D = \min \: \sum_{i\in B} \pi_i \cdot F_i \end{array} \end{align*} See http://i.stack.imgur.com/TFIfY.png for an ...
0
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1answer
40 views

Justified alignment for equations

I am writing a IEEE journal paper full of equations and with center alignment the paper looks so messy. I needed to justified align at least those that are coming successively one after another. I ...
18
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4answers
20k 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: ...
2
votes
2answers
107 views

Put a box and shade it around aligned equations

Given: \documentclass[12pt,a4paper]{article} \usepackage[utf8]{inputenc} \usepackage{amsmath} \usepackage{amsfonts} \usepackage{mathtools} \usepackage{amssymb} \author{Sam Keene} \title{Notes} ...
1
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1answer
25 views

How to split a long equation in Latex?

I have a pretty long equation with me. I want to split the equation when using Texmaker. Can some one find me a proper way to do this? Thanks in advance. \begin{equation} ...
3
votes
1answer
67 views

How to make an equation that contains several matrices?

Being new to LaTeX, I find the matrix construction a bit annoying, even for simple matrices. How can I construct the following matrix?
59
votes
4answers
121k views

How to break a long equation?

I have a long equation but long enough to occupy two lines. I want to break it to improve readability. How can I break it? \begin{equation} F = \{F_{x} \in F_{c} : (|S| > |C|) \cap (minPixels ...
10
votes
1answer
4k views

LaTeX in CorelDRAW

What is a good way to get LaTeX formulas into CorelDRAW figures? I will provide a solution below, based on a rather old macro adapted to work on 64 bit systems as well as 32 bit - it works well, but ...
9
votes
4answers
328 views

How do I avoid eqnarray?

We have been told to avoid eqnarray and use align instead. The output of eqnarray here: \newcommand{\Prob}{\operatorname{\mathbb{P}}} \newcommand{\tp}{\operatorname{tp}} ...
1
vote
1answer
49 views

Equation environment

I use texmaker program. I can not jump up to next line by using symbol \\ in equation environment: \begin{equation}....\end{equation} I could do it before but now I can't. In other environments, I ...
2
votes
1answer
55 views

How can you number equations manually?

How to number equations manually? I'm making a presentation on a chapter, so would like my equations to be numbered as in the book, and not necessarily from the first equation in the chapter, for ...
6
votes
4answers
558 views

Split this equation up

Is there a nice way to deal with the following problem? I have an equation that is too long for a line, but I can't split it up that easily, as it contains a fraction. \begin{equation} ...
2
votes
1answer
38 views

Can't get two equations to align using eqnarray

I'm trying to align two equations using eqnarray. Sample: \documentclass{article} \begin{document} \subsubsection*{\begin{center}Variance equations\end{center}} \begin{eqnarray} \mu = ...
0
votes
0answers
45 views

Pandoc equation numbering style

I use pandoc to render .pdf files from markdown. Example input: #Fudamental matrix ##Epipolar constraint in pixels (@) $$(K_{0}^{-1}x)^{T}E(K_{1}^{-1}x')=0$$ (@) ...
14
votes
6answers
2k views

Which equations should be numbered? [closed]

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

Reference equation number in subscript of equation.

I have some chemical reaction equations which I want to reference in the subscript of an inline equation. \begin{subequations} \begin{align} \cee{ \text{NO} +\text{O}_3 &-> \text{NO}_2 ...
5
votes
1answer
71 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} ...
0
votes
3answers
157 views

How to add explanatory text labels to a list of equations / solving steps

Does anyone know how to do this in LaTeX and can explain how it is done? The font and design does not matter, what I want is to label the equations.
3
votes
3answers
54 views

Center the second line of an equation

How do I get the following output? f a b c = <centered definition of f> g a b c d = <centered definition of g> These are definition of functions, but the bodies are big; I would ...
17
votes
4answers
22k views

Reducing font size in equation

I wanted to type an equation in LaTeX. But it is too long to fit into one line. It involves big arrays with many columns so I cannot split it. I wanted to reduce the font size so that it can fit in ...
1
vote
1answer
30 views

How to make an align environment with multiple equations per line and one equation reference? [duplicate]

I would like to use an align environment with a single equation number but with multiple equations per line. For example, the following two pieces of code work: begin{align} a&= 1 & b&= 2 ...
-1
votes
2answers
206 views

Align equations on equal (=) symbol [duplicate]

How to align equations as in the image below? Update: I try using array but it takes so much work to align everything in order. For example, I need to know how many columns I need to perform the ...
6
votes
1answer
92 views

box all equations of align environment, but not the equation numbers

I want to box (like \boxed{} of package amsmath or \Aboxed{} of package mathtools) the entire block of equations from an align (or eqnarray) environment, but not the equation labels. How can I do ...
2
votes
6answers
109 views

how to write a multi-row equation with a lot of material in each row

\[ \frac{1}{z^p}\left[ f(z)*\left( \frac{z^p - D z^{p+1}}{(1-z)^{2}} + \frac{\beta e^{i\theta}(D-1)z^{p+1}}{(1-z)^{2}}\right) \right] \] \[ =\frac{1}{z^p}\left[ f(z)*\left( z^p + \sum ...
1
vote
2answers
43 views

Sequence labeling In Latex

In a sequence {1, 2, 3, ...}, I want to write under each term a down arrow and label them as x_1, x_2, etc. How do I do that? I have tried matrix commands and array commands. It does not give me the ...
1
vote
1answer
79 views

How to reduce the size of the equation

I wish to put two equations into one line using minipage, but they are too wide, any solution for reducing the size of the equation without removing words so that I can put into one line to reduce ...
3
votes
2answers
149 views

In this beamer, the equation exceed the size of the frame. How do I fix this?

In this beamer, the equation exceed the size of the frame. \documentclass{beamer} \hypersetup{pdfpagemode=FullScreen} \usefonttheme[onlymath]{serif} %\usefonttheme{professionalfonts}% font de LaTeX ...
4
votes
1answer
33 views

What is the equivalent of nocite with mathtools equation referencing?

In general, I use mathtools in a mode that puts equation numbers only if an equation is referenced. How can I reference an equation without actually showing the number in the document, so that a label ...
2
votes
1answer
51 views

Error when using empheq in a newcommand

I have just started working with the package empheq as a way to create a box around equations. I would like to create a pair of short new commands for entering and exiting the empheq environment, but ...
3
votes
1answer
82 views

Self-scrolling formulas and text in Beamer?

For a presentation with Beamer, I would like to have a slide where a long list of formulas (maybe mixed with text) scrolls automatically within a certain part of the slide. This should look like e.g. ...
3
votes
1answer
43 views

center align equation

I try to align a multiline equation, but im getting a large space. \documentclass{article} \usepackage[utf8]{inputenc} \usepackage{mathtools} \begin{document} \begin{align} AAAAAA &\, yyyyy ...
3
votes
2answers
105 views

Recreating this image as a displaystyle formula

I have this image which I would like to recreate as a displaystyle equation I know how to do everything except the curved arrow with the text, this is what I was able to produce. ...
3
votes
2answers
99 views

Boxed equation with equation number inside

I have a question that seems to not been answered directly, i tried using the empheq package to make boxes around equation (in the align environment ) and it works, but i want a wide box which ...
2
votes
2answers
36 views

equation problem

I have this problem with this equation that i cannot find out: \documentclass{article} \usepackage{amsmath} \usepackage[makeroom]{cancel} \begin{document} \begin{eqnarray*} ...
2
votes
1answer
39 views

Two column equation block with vertical separator

I have seen various examples in text books and web pages (like here) of two column equation blocks, where the left column has some equation(s) and the right column has some explanation on variable ...
1
vote
0answers
22 views

Latex (XeTex) places equation parenthesis the wrong way [duplicate]

I recently switched compilation of my tex document from pdflatex to xetex for reasons of typesetting occasional arabic text (the rest of document though is almost entirely in English). However now I ...