{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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1
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3answers
54 views

Wide equations in enumerate

When inside an enumerate or itemize, I noticed that my displayed equations (most of which are pretty long) don't use the full text width, but instead are indented - due to being inside a list ...
4
votes
2answers
58 views

Aligning multiple equations on multiple points

I'm trying to generate the following output in LaTeX: However I am failing pretty hard at aligning those correctly, this is what I've tried so far: \begin{align*} ...
13
votes
2answers
232 views

Automatically replace environment align by equation+aligned combination

I would like to automatically replace the align environment by an equation + aligned combination. Specifically, whenever \begin{align} occurs, it should automatically read it as ...
1
vote
1answer
46 views

Equation at page break forces widow line from previous paragraph

I have a two-column document, and I'm having some weird behavior at an automatic page break. I have some text followed by some equations like this: So that abutting triangles do not double-paint ...
1
vote
0answers
60 views

How I can split long equation with over-brace and color box?

I have long equation with over-brace and color box. how it is possible split equation like picture or better way? \documentclass{article} \usepackage{amsmath} \usepackage{mathtools} ...
2
votes
1answer
191 views

Mathematical notations are wrongly displayed

I type a series of mathematical equations in Latex, but output is wrongly displayed (They are highlighted in yellow), how could I fix this problem. The packages used: ...
3
votes
1answer
35 views

Equation references not found

I'm writing up some work and having trouble with equation numbers; the references \ref{} and \eqref{} aren't finding the references, even after multiple compiles. LaTeX Warning: Reference "triangle" ...
2
votes
1answer
65 views

Changing ref to eqref

I have plenty of equations in my Tex which were labeled with (\ref{eqn: bla}) which I now want to change to \eqref{eqn: bla}. Is there a fast way to do this rather than manually doing it?
2
votes
1answer
48 views

How can I break equations in smaller pieces?

Instead of writting very long lines to create complex equations it would be great to use variables to substitute smaller chunks... A simple example: \[ \frac{ \sqrt{ \mu(i)^{ \frac{3}{2}} (i^{2} -1) ...
3
votes
1answer
42 views

Fit an equation into the template

\documentclass[a4paper,twoside]{article} \usepackage{SCITEPRESS} \subfigtopskip=0pt \subfigcapskip=0pt \subfigbottomskip=0pt \hyphenpenalty=2000 \exhyphenpenalty=2000 \begin{document} ...
3
votes
1answer
40 views

Problem with “missing $ inserted” message

I've been doing an introductory LATEX course and for one of my assignments I want to write a proof where all the equals signs are lined up. I've seen other questions addressing similar problems but ...
2
votes
2answers
103 views

How can I prevent wide equation having too large vertical space?

I have a list of equations of which one is probably slightly larger than a certain threshold. This somehow results in the equation being given more vertical space above it than the others. What can I ...
3
votes
2answers
155 views

! Missing $ inserted. -or- Display should end with $$

\begin{equation} \label{observer position} \textbf{R_\textbf{n}} =\left [\frac{R_e}{\sqrt{1-(2f-f^2)sin^2 \phi_n}}+H_n\right]cos\phi_n(cos\theta_n ...
3
votes
1answer
46 views

New line in equation

I have such code: \begin{equation*} max_X (min_{\vec{Y}} F(X, \vec{Y})) = sup_{X} (inf_{\vec{Y}} F(X, \vec{Y})) = \Gamma_1, \newline min_{\vec{Y}} (max_X F(X, \vec{Y})) = ...
2
votes
2answers
48 views

intertext with no numbering

I'm trying to write this formula here \begin{align} L = 1 - \sum_{t \le x} \mathcal{N}(t | \mu, \sigma)\\ \intertext{where $\mathcal{N}$ is the Gaussian density function } ...
0
votes
1answer
46 views

Linespacing after a figure

I have a problem with linespacing after I put a figure in my document. The figure code is put just after some equation code. Although the figure is drawn in the top of the page it seems that it adds ...
2
votes
2answers
78 views

latex \right\} not show up in pdf

The following is a piece of LaTeX code displaying a function. But in the PDF file generated, the right curly bracket "}" does not show up at the end. If I replace \right\} with just \}, then the right ...
2
votes
1answer
28 views

List of equations including the ones inside eqnarray

I am able to write my list of equations with the following commands: \documentclass[11pt, oneside]{report} \usepackage{tocloft} \usepackage{amsmath} \begin{document} ...
2
votes
3answers
113 views

Avoid lots of \text{} commands in formulas

I am working on typing a document with a lot of formulas which have words in them. I know I can use \text{} from the AMS package to make the word appear normally in the equation, but I was wondering ...
3
votes
1answer
65 views

How do I type a brace-enclosed, numbered equations in plain TeX?

Basicly it looks like: I tried \eqalign, but it cannot have equation numbers on the right. I also tried \eqalignno, but it cannot have a brace on the left.
3
votes
1answer
42 views

Help replicating pseudo-BNF snippet

I am taking notes from my textbook and am trying to replicate the snippet below (I don't care about the box around it). I have tried using the mdwtools package, but it rejects the following: ...
0
votes
1answer
37 views

Definitions in math formulas [duplicate]

I want to have definitions like $x :=1$ in my tex to look good, and to be really different from a statement of equality like $x = 1$. However, the $:$ and $=$ are not alligned, and this looks ugly. ...
0
votes
0answers
19 views

Alignment for equations [duplicate]

Due to a physical disability using pen and paper for maths problems is not an option for me. So I am using Latex to work on maths problems, typically algebra at the moment. To be clear I'm using Latex ...
1
vote
0answers
40 views

why should equation be preferred to gather for single-line equations? [duplicate]

There are numerous questions/answers on which equation-type environment to use under which circumstances. For a single-line equation, various people have expressed a preference of equation over ...
2
votes
1answer
64 views

Numbering equations in LaTeX with hearts instead of parenthesis

Is it possible to encase numbers in hearts instead of parenthesis when my equations are enumerated?
3
votes
0answers
36 views

brackets in equation environment (XeLaTeX) [duplicate]

I have some work to do in XeLaTeX, What's wrong with my code ? What's I get : Any advice? My MWE \documentclass{article} \usepackage{amsmath} \usepackage[framemethod=default]{mdframed} ...
2
votes
1answer
33 views

Moving the Labelling of an arrow up / Math mode

I have labelled an arrow and would like to steer the height of the labbeling. $\stackrel{ number one}{\Leftrightarrow}$ produces an arrow that is located very close to the labelling. Moving it ...
5
votes
2answers
61 views

Missing equation number using \omit

In this answer I found a very useful approach to easily center certain elements in a alignat environment using a new command: \newcommand{\ccol}[1]{\omit\hfill $#1$\hfill} I inserted the $’s ...
4
votes
2answers
41 views

Default values for \xxxdisplayskip

I've changed the values for the \abovedisplayskip and \belowdisplayskip, but I want to set them back to normal after a specific equation. What are the standard values?
3
votes
3answers
70 views

How to divide this equation into two lines?

I'm making a beamer presentation and I can't divide this equation into two lines, because it is too long. Can somebody help me? \documentclass[xcolor=table]{beamer} \begin{document} \begin{frame} ...
0
votes
0answers
15 views

I can't compile my beamer file when I insert any equation in it! [duplicate]

I'm having some troubles with my beamer presentation. When I insert any equation that involves letters (either greek or latin), My compilation fails. It doesn't matter whether I'm doing this in ...
0
votes
1answer
53 views

What are some common ways to add variable descriptions with equations? [closed]

I'm looking for a good way to add variable descriptions immediately following equations. In plain text, it might look something like this: r_p = a(1-e) where a is semi-major axis (space) e is ...
2
votes
2answers
302 views

OCR PDF/Image to LaTeX (math) [on hold]

I would love to have an OCR who could translate my PDF-file to a TeX-file. It doesn't have to be "good looking". I only need it to a) copy some text from time to time and b) especially to copy the ...
2
votes
3answers
39 views

How to put 2 left curly braces horizontally as in the same row?

I tried to put 2 left curly braces horizontally, each of which defines a variable. However, we I get is one on top of the other. This may leave too much empty space. So is there any way to put the ...
7
votes
2answers
196 views

How to assign a single equation number/label to *n* equations?

I want to label \begin{align*} x\equiv & x_1(\text{mod } m_1)\\ x\equiv & x_2(\text{mod } m_2)\\ .\\ .\\ .\\ x\equiv & x_n(\text{mod } m_n) \end{align*} as one set of equations. How to ...
2
votes
2answers
129 views

Show Equation number in colored box without brackets

In the attached code, I would like to get the equation number to show up boxed like this: instead of the normal brackets "()". Here is my MWE: \documentclass[11pt,fleqn]{book} ...
2
votes
2answers
38 views

How to reference long equations by numbered alphabets [duplicate]

I have 2 long equations when I want to label them as 2a and 2b by using subequation a problem occur that each line of equation n pdf gets number inspite of each equation so thats why i got more ...
3
votes
2answers
28 views

Error in numbering equations

\documentclass{report} \usepackage{amsmath} \usepackage{mathtools} \begin{document} \begin{gather} \intertext{Removing the K factor, Eqn. turn into the classical CORDIC Equations} \label{Equ. 3.14} ...
2
votes
2answers
85 views

how to change to new line in case environment of Equations

I am try to using the newline symbol to make "a=" in the first line and then the following in the newline, however it does not work. \begin{equation} a =\\ \begin{case} 3\\ 2\\ \end{case} ...
2
votes
2answers
75 views

Subnumbering Equations Under the actual equation number

I am trying to write an optimization problem like below using eqnarray: Max z =a + b (1) s.t a > 1 b < 4 But I want to write the sub-equation numbers as (1.a) and (1.b) ...
2
votes
2answers
41 views

Reducing space between for some of the equations

I need to display a few equations as below The code I have written is :- \documentclass{report} \usepackage{amsmath} \begin{document} \begin{equation} \label{Equ. 3.9} x_{i+1}=\cos(a_i) \cdot ...
1
vote
1answer
109 views

Equation number syntax: [Section] . [Subsection] . [Subsubsection] – [EquationNumber]

I would like to use section numbers within equation reference counters. This typically requires \numberwithin from the amsmath package. I would like to change the section number depth of these ...
5
votes
3answers
149 views

When using section* counters don't reset properly. How to fix this?

For example : \documentclass{article} \usepackage{chngcntr} \counterwithin*{equation}{section} \counterwithin*{equation}{subsection} \begin{document} \section{One} \begin{equation} 2+2=3.99 ...
2
votes
3answers
60 views

Embed Latex equation in LyX

I would like to transfer the LaTeX: \begin{equation} W(\mathbf{F},\lambda_{\chi})=\min_{\textbf{R}\epsilon S^{2}} \end{equation} which gives the subscript {\textbf{R}\epsilon S^{2}} right under ...
5
votes
3answers
109 views

Aligning systems of equations by symbol and variable

Using this code: \begin{flalign} & +3x+2y-5z=+04 \\ & +2x+4y-1z=+12 \\ & -4x-8y+9z=-06 & \end{flalign} I produce this output: However, I'd like to produce a similar alignment, ...
2
votes
4answers
52 views

Add line break to one line of a multi-line equation

I am writing an equation consisting of many lines, however, one particular line is very long and I want to break into a new line. For example: \begin{equation} \begin{aligned} & ...
3
votes
2answers
160 views

How can I make \eqrefs clickable?

I have modified the \eqref macro like this \let\originaleqref\eqref \renewcommand{\eqref}{equation~\originaleqref} as per this answer. I want to have the reference be typeset like equation x or ...
2
votes
2answers
91 views

Matrix equation

I'm a new user in texmaker. How can I produce this equation? Thank you for your help
5
votes
2answers
71 views

How do I use equation in this scenario without running into “Missing number, treated as zero”

I'm pretty new to Latex and I am working with a bunch of formulae. I'd like to give each of them different numbering and this is what I've got: \begin{align} \begin{split} &|\Theta_P| = {|P| ...
5
votes
2answers
142 views

Undersetting an arrow beneath an equation

I'm looking to add an arrow underneath an equals sign to explain the step that has been taken. See below: To achieve the arrow style that I like to use, I used \drsh from mathabx. I tried using ...