{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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2
votes
4answers
46 views

Putting row of dots in an equation

Is it possible create a system of equations that will look like this: aX(x_0)+bX(x_0)+cX(x_0)=A dX(x_1)+eX(x_1)+fX(x_1)=B ......................... gX(x_n)+hX(x_n)+iX(x_n)=B I tried with this: ...
4
votes
1answer
132 views

Size Math font – Define different sizes for Display and Text Equations globally

I have a rather long document with plenty of maths and equations. As the equations are quite long I have chosen to use 8pt for equations in the display mode instead of the 10pt normal size. ...
3
votes
0answers
77 views

Is it possible to reprint an equation without actually rewriting it? [duplicate]

I have an equation like: \begin{equation} \label{whatever} x+y=1 \end{equation} I want to write it again, keeping the same number. I know I could do the following: \begin{equation} x+y=1 ...
7
votes
1answer
120 views

Automated generation of equation key

I am looking for a way to automatically create the legend for an equation (let's say embedded in the align environment). What I'm currently using is a semi automated to fully manual way. Let me ...
3
votes
1answer
51 views

Equation and image in a row

I have example (defined as \newtheorem{example}{Example}[section]) and inside I have four-level equation of same size as an image ABC.png that I want to put on the right from the equation. But it is ...
0
votes
0answers
43 views

point-and-click open source javascript equation editor for latex?

Does anyone have experience with a good open source equation editor for online use? I'm not interested in WYSIWYG (What are the Open source WYSIWYG Independent Web Equation Editors available on ...
3
votes
3answers
68 views

How to simply center equations using eqnarray*?

So I have this code here: \begin{eqnarray*} x + (y - 2)^4 = w^2 \\ (x - 9)^2 + y_2^2 = w^2 \\ x + (y - 2)^4 = w^2 = (x - 9)^2 + y_2^2 \\ \end{eqnarray*} As you can see, I get the ...
5
votes
1answer
58 views

Annotated equations

I need many of my equations to have annotations stating their domain of validity, or certain conditions for which the equation is true. Preferably, these would be flush right against the equation ...
6
votes
2answers
75 views

Missing final brackets (in one equation { and in other - ]) in the equations

This is my first question on tex.stackexchange, so the formatting will be terrible. I've got a problem with three lengthy equations - the closing brackets, in all three formulas, are not displayed. ...
2
votes
2answers
51 views

How to label text with equation number?

I'm trying to put equation numbers next to text as if said text was an equation. If I use \text{} in an align* environment, it typesets the text right-aligned and the whole environment centered, but ...
1
vote
1answer
42 views

Two columns of equations, aligned and just one number per column

I'm writing a two-column document, and I want to display two sets of large equations floating at the top. Each equation set should be aligned within the same column, and only the two top equations ...
4
votes
5answers
12k 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 ...
1
vote
2answers
84 views

Why LaTex only prints the first page of a document?

I'm writing my first document with Tex and encountered problem(s) with it. At the moment I can only get the first page printed out :/ I'd appreciate enormously if anyone could help or give hints for ...
3
votes
1answer
73 views

Discretionary equation breaking at a particular symbol

I have long equations that I want LaTeX to break automatically. After some extensive searching I have been unable to work out how to achieve this effect. I have breqn in my package list, however it ...
1
vote
1answer
67 views

Compiler error: “Missing $ inserted” [closed]

I have got the following equation in Latex. During compilation, the compiler complains about "Missing $ inserted". Unfortunately I am not able to find any error. Any ideas? \begin{dmath} ...
0
votes
0answers
50 views

Numbering all equations [duplicate]

How can I number the equations of a document all at once? I've tried to find an option in LyX but I didn't find any.
3
votes
3answers
87 views

How to write ':' and '_' in equation? [closed]

\begin{equation} \label{eq:policy} \(\text{[DIP:10.1.0.17] $\rightarrow$ F $\rightarrow$ L}\) \end{equation} Gives me many errors like ! Missing $ inserted and Bad math environment delimiter. How do ...
16
votes
2answers
270 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 ...
12
votes
2answers
3k 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 + ...
21
votes
10answers
990 views

Best typesetting of formula

Consider the following example. Code \documentclass{article} \usepackage{amsmath} \newcommand*\mathsetfont{\mathbf} \newcommand*\DeclareMathSet[1]{% \expandafter\newcommand\csname ...
12
votes
2answers
73 views

Input manually a number into \eqref

Often while writing papers I find the need to cite particular equations from other papers. For example, the landmark paper by Einstein, Newton, and White (2015) lays out the theory of everything in ...
8
votes
2answers
876 views

Change equation font to Times New Roman?

How would I change equation font in the \begin{equation} environment to Times? For instance, I use this code in LaTeX: \begin{equation} \begin{split} {L_{CML}}\left( \theta \right) ...
8
votes
2answers
79 views

How to move the equation numbers to bottom lines?

\documentclass[preview,border=12pt,varwidth]{standalone} \usepackage[a4paper,margin=1cm]{geometry} \usepackage{mathtools} \begin{document} \abovedisplayskip=0pt\relax \begin{align} ...
2
votes
0answers
95 views

LaTeX is not compiling consistently

I am really new to LaTeX, so it's possible I'm making some egregious error that I'm not aware of, but my documents are compiling inconsistently. By that I mean it compiles correctly maybe one in ...
2
votes
1answer
114 views

How to number an inline-math equation?

I want to add an equation number in a formula, but I've got an error: "You can't use `\eqno' in math mode.". This is my code: $e_{33} = 0 \eqno(4.4)$ How I can fix it?
5
votes
1answer
79 views

Change the size of only a part/subset of a *single* equation

For example, I'd like to do: $Q^{r<1}$ but with the r<1 having a much smaller font size than the Q. Of course r<1 will naturally have a smaller size since it is a superscript, but I want ...
9
votes
3answers
310 views

How can I number a few equations together

i would like to write few equations, but all the equations will get only once numbered and in the middle (right side) of the equations. e.q. if i write 3 equations, the number will be to the right of ...
3
votes
1answer
46 views

How to cross reference with \renewcommand{\theequation}?

I change the default numbering of the equation. Instead of default "1" on the right side I put "Eq. (1)". The number inside the parentesis automatically changes. But in the cross reference i need ...
1
vote
1answer
72 views

Prevent multiple equation numbers when using \allowdisplaybreak with align

I have a very long equation of the following format \begingroup \allowdisplaybreaks \begin{align} a &= very long expression here\\ + & another long expression here\\ + & another long ...
6
votes
3answers
99 views

How to align 'parts' of these equations?

I have a set of equations given by the following code: \begin{equation} \label{eqn:eraserStart} \max \, d \end{equation} \begin{equation} a_t \in \{0,1\} \, \forall t \in T \end{equation} ...
1
vote
1answer
70 views

How to use \displaybreak?

I have a very long equation \begin{equation*} \begin{aligned} multiple line equation... \end{aligned} \end{equation} But just using the above code causes the whole equation to start from a ...
4
votes
2answers
32 views

how to align texts in equation cases

I need to make an equation case with text following it. That text should be displayed in the middle of the two cases. This is my code: \begin{eqnarray}\label{eq13} a_k = \begin{cases} 1 & ...
5
votes
1answer
44 views

Edit space for overbraces in equation

I would like to use \overbraces and \underbraces in my equation. However, when I make the text for \overbraces too long, the \overbrace doesn't contain the correct part. ...
0
votes
3answers
67 views

Bullet and equations or itemize and equation

I am using the following command. \documentclass{12 pt}{article} \begin{document} $\bullet$ $A = B$ \end{document} Here, I need to show the both bullet and equation by the number like ...
3
votes
2answers
55 views

How to wrap a long equation in Latex

I have a very big equation and using split or multiline is not helping. How do i wrap it and how do i make sure thatRHS of the eqn is always on the right side of equal to ('=') even when line is ...
1
vote
2answers
49 views

Spacing between a special character and text

Why do I get output like this ? Why is the alignment varying if I embed the special characters like lambda and eta ? code sample 1: \begin{gather} \label{eq:Highest spatial frequency} \frac{2 ...
6
votes
2answers
92 views

Equations and defining equation variables

I have a main equation that should be numbered and now I want to define the variables of the equations which may contain another set of equations. For example please have a look; code: \begin{align} ...
8
votes
2answers
159 views

How to format Maxwell equations?

Is there a variant of split environment from amsmath package which would allow for two aligned equations in a row? I want to format two pairs of Maxwell equations in two rows and put single equation ...
5
votes
1answer
102 views

Typesetting of volume integral

This question has been bugging me for a long time: How do I properly typeset volume integrals? I would like to use the convention often used in Physics: d^3x=dV and \int dx f(x) instead of \int f(x) ...
4
votes
2answers
57 views

Custom cross-reference formats (e.g. “Equation 1” instead of just “1”) [duplicate]

I have an equation system set up as below. When I reference it however, ie. with \ref{eqn:surfacetension}, it only prints the number '1', and not 'Equation 1'. How can I modify the code to do that? I ...
0
votes
0answers
80 views

Numbered equation makes small sum operator

I am using the followig: \chapter{Theoretical framework} \section{Econometric framework} \begin{equation} {r^{h}_{t+1}}= \alpha+\beta x_{t} + u^{h}_{t} \end{equation} %random test equationn ...
11
votes
4answers
3k views

Intertext vertical spacing

How do I reduce the vertical spacing of \intertext?
4
votes
1answer
50 views

Equation over picture (overpic)

Is there a way to place a mathematical equation over a picture? I am using the overpic package and \put command, but it doesn't work (\usemath, \begin{equation}...\end{equation}). \begin{figure}[h!] ...
13
votes
5answers
216 views

Typesetting math: an optimisation problem (cost & constraints)

I really struggle to align a system of equation for an optimisation problem. It was all ok at the beginning until I started adding the constraint. I've got this code so far: \documentclass{article} ...
26
votes
5answers
1k views

LaTeX accessibility

Does anyone know of any LaTeX modules that makes the pdf output generated by pdflatex Americans with Disabilities Act of 1990 (ADA)/Seciton 508 compliant? Specifics: With regard to math. One simple ...
0
votes
0answers
31 views

Is there an opposite to \nonumber? [duplicate]

Usually I set equations using the align environment together with \nonumber for those few lines that shall not have a number, or the align* environment if no equation shall be numbered. But what if ...
5
votes
1answer
52 views

`\hfill`-like spacing in math mode without using `align`

In question 83509, a way of getting \hfill-like behaviour in the align environment is described, but for my purposes, I need one that works in the equation environment. (I want to display some ...
10
votes
5answers
251 views

How to align the equal signs in this equation such that the first line and last 2 lines align

so I have an equation below. My latex code for it is: \begin{align*} CoJPoD_{ \{I_1, \cdots, I_{k-1}, I_{k+1}, \cdots, I_{n}\} | I_{k} } = CoJPoD_{ \{system \backslash I_{k}\} | I_k} \\ = ...
2
votes
2answers
43 views

Unnumbered line inside align

Basically, I have two equations that I wanted to use align to number, but I also wanted to put the word 'and' in between the lines. Here's what I have so far \begin{document} \usepackage{amsmath} ...
2
votes
1answer
40 views

Pack equations a little denser (setstrech for an equation?)

I have an equation which is a little longer than the page margin. I don't want to split it, but I was wondering if it is possible to get it a little more dense (something like setstretch for an ...

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