{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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5
votes
2answers
68 views

Text formula with fixed horizontal limits

I would like to write a formula of the form $$ A = B \times C $$ where $A$ is some long phrase, e.g., ``the marginal utility of doing so and so given that we know this and that'', and $B$ and $C$ ...
3
votes
1answer
92 views

How to close \Big( with an invisible bracket?

When then opening and closing of a bracket are not on the same line, LaTeX demands 'invisible' brackets or it will get confused and not compile. Example: \begin{equation} \begin{aligned} A = 5 ...
2
votes
1answer
78 views

Equation across a double page

How can I achieve typesetting a long multiline equation across a double page, like this: ________________ | 1 | 2 | | ---- | ---- | | ---- | ---- | | E=|mc^2 | |_______|_______| ? ...
0
votes
1answer
40 views

How can we alot the equation number in the answer box?

How can we alot the equation number in the answer box? I need to mark my equation $$\sin^x+\cos x=15$$ as $1.1.$ But i don't know how can i do this. Kindly help me to the thing so.. My work I am ...
1
vote
0answers
56 views

Problem with equation numbering, resets after ten

i have a problem with my thesis, equation numbering resets after number 10. For example, in the doc after equation 3.3.10 follows 3.3.1 and not 3.3.11. Here is my preamble ...
4
votes
2answers
48 views

How do i format the equations so that they show up aligned?

I have \begin{eqnarray*} \phi(n) = \phi(pq) = & pq - (\# of multiples of p) - (\# of multiples of q) + (\# of multiples of pq) \\ & = & pq - q - p +1 \\ & = & (p-1)(1-1) \\ ...
4
votes
2answers
36 views

Special alignment about split environment

I have some trouble in formatting my formula, so far I am able to get it look like this: What I want is this: Here is my MWE I am using split, I don't think I can use align because it will break ...
3
votes
1answer
41 views

Aligning Vertically Spaced Equations

This question is most likely a duplicate and trivial, but I ask nonetheless as it is causing frustration. I have written the following \begin{equation} \begin{split} \alpha_{a}\alpha_{b}+\alpha_{b} ...
0
votes
2answers
170 views

how to get mathematical equations into image in latex?

how to get mathematical equations into image in latex? I want the code that convert all equations into image in the pdf file after compile the tex file.
2
votes
1answer
79 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
2answers
70 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 ? ...
4
votes
1answer
23 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
1answer
120 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 ...
3
votes
2answers
114 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} ...
1
vote
2answers
67 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 ...
2
votes
1answer
54 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 ...
1
vote
0answers
106 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
183 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 ...
1
vote
1answer
33 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
151 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
88 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 ...
2
votes
2answers
174 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} ...
3
votes
1answer
71 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?
9
votes
4answers
363 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
86 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 ...
5
votes
2answers
105 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 ...
2
votes
1answer
66 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 = ...
6
votes
4answers
704 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} ...
0
votes
1answer
186 views

Pandoc equation numbering style

I use pandoc to render .pdf files from markdown. Example input: #Fudamental matrix ##Epipolar constraint in pixels (@) $$(K_{0}^{-1}x)^{T}E(K_{1}^{-1}x')=0$$ (@) ...
1
vote
1answer
39 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 ...
3
votes
3answers
62 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 ...
1
vote
1answer
56 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 ...
0
votes
3answers
178 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.
7
votes
1answer
157 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
123 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
50 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
votes
2answers
244 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 ...
1
vote
1answer
55 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
2answers
189 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
42 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
73 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
183 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
84 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
117 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
119 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
42 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*} ...
1
vote
0answers
23 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 ...
2
votes
1answer
111 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 ...
2
votes
1answer
204 views

How may I place number '(2)' on number '(3)'?

Here it is placed on (\alpha). \documentclass[11pt,a4paper]{article} \usepackage{blindtext} \usepackage{mathtools} \begin{document} \begin{flalign*} (1).\,(\alpha)&& a^m \times ...
4
votes
2answers
328 views

Fast way to start a new line

I have quite a few equations in a latex document that are similar to this one here: \mathbb{E}(\cos^2) = \frac{\pi \left(\beta \left(8 \left(2 \alpha ^2+2 \alpha +1\right) \beta ^2-12 (2 ...