{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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1answer
16 views

Multiple cases with automatic braces

I am writing a relation in which I need to describe the value of G(i, s, a): \documentclass{article} \usepackage {amsfonts} \usepackage {amsmath} \usepackage [margin=1in]{geometry} \usepackage ...
2
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1answer
12 views

align*-environment aligns parts of equation to the right with multiple ampersands

This following example aligns the last part of the equation to the right and I don't know why. What I would expected to see instead is that the last parts of both lines start directly to the right of ...
2
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1answer
108 views

missing $ inserted on code

I am certainly new to latex and have this error in a high frequency in my code. The error is claiming I have a missing $ sign in many places, and I imagine that my syntax usage of $ is off. My ...
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1answer
76 views

How to write system of differential equations

I need help in writing this system in LaTeX: EDIT: I need more help because I am still unable to use the provided solution. My system is: \begin{empheq}[left=\empheqlbrace]{align} ...
3
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3answers
60 views

How can I uncover the fraction line in beamer?

I would like to uncover elements of an equation one at a time. This is easy enough usually, but in this case I'd like to progressively reveal a fraction. The problem with the way I'm doing it is that ...
4
votes
2answers
64 views

An error in aligning several systems of linear equations using systeme

I have code to typeset four systems of linear equations. I have all the equations aligned at the equals sign. In the first equation of the second system, I have + 0 = (q-m)x + b_{1}, but I want 0 ...
1
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3answers
56 views

Adding labels to the equations when they are broken

\begin{align} \begin{split} \pd{EU}{\alpha} &= d(\theta) U'(\pi_{1}) [G_{\alpha}(\alpha, \theta, \epsilon) - \widebar{P} C_{\alpha}(\alpha, \theta)] \\ &+ (1-d(\theta)) ...
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0answers
26 views

Aligning the equations [duplicate]

How do I align the two equations and label them? \begin{equation} \begin{split} \pd{EU}{\alpha} &= d(\theta) U'(\pi_{1}) [G_{\alpha}(\alpha, \theta, \epsilon) - \widebar{P} C_{\alpha}(\alpha, ...
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2answers
42 views

Symbol to the right of equation

I want the contradiction symbol to the right of the equation without moving the equations to the left. I've written \begin{align*} u(2-t, 1, 3-t) & > (2,1,3) \\ 1 ...
3
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3answers
68 views

Arrange long multiple equations with texts between them

I have aligned the equations in the following way but using multiple \qquad. I don't think it is a good practice to do so. Moreover the equations should fit within the width of the document. What I ...
1
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1answer
36 views

Absolute position of equation number

Is there a way to control where the equation number is placed? I mean absolute position (where coordinates or something like that may be used), not just place it on the right side or left side of ...
2
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2answers
89 views

Labeling equations and math mode

I have to write the equation shown below in Latex and I am using {\textbf{q}=($\mu$ $_1$ $\mu$ $_2$ ... $\mu$ $_{n-2}$ $\mu$ $_n$ )\textsuperscript{T}} and it comes OK. However, I need to ...
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2answers
38 views

\numberwithin{equation}{subsection} fails for subsections “0”

\numberwithin{equation}{subsection} is in the preamble of an article. Equations in sections before subsection 1 of that section begin numbering as x.0.y+1, where "y" is the number of the last equation ...
1
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2answers
78 views

How to set a simple counter in a certain chapter

How can I set the equation counter to behave differently for a certain Chapter? I am writing my phd thesis, and I want to have a simple equation counter for the introduction. In general, ...
1
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1answer
33 views

How to format the following equation using table

i am trying to write some equations and have trouble with the formatting. I assumed that having a table would be good, but if anyone has a better idea, I wanna hear your suggestion. This is my code in ...
0
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1answer
96 views

How to express this in LaTeX?

I want to know how to express this function in LaTeX. Can anyone help me?
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2answers
27 views

How do I write a multi row single column (or multiple columns) equation?

\documentclass[a4paper,12pt,numbers=noenddot]{scrartcl} \usepackage{mathtools} \usepackage{bm} \begin{document} \begin{equation} \nabla_Q N_I = \{{N_{I,1}} \\ {N_{I,2}} \\ {N_{I,3}}\} = ...
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1answer
45 views

Boxed equations and arrows

I would like to implement this into an align-environment (or equivalent) how can I do this? I tried with boxes but the structure is rather complicated since I want a large box on the left-hand ...
4
votes
1answer
82 views

Is there a Lagrangian multiplier package?

I am doing a large number of Lagrangian multiplier problems. They are basically all the same form $$\max U(x,y)$$ $$\text{subject to}$$ $$g(x,y) = c$$ Then $$L = U(x,y) - \lambda (g(x,y) -c) $$ ...
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0answers
20 views

' and ^t to the left of a letter [duplicate]

There are times where I want, say, a superscript $t$ to the left of another letter to denote, say, the transpose of a matrix. Or, I might want to decorate a letter on the left with a prime, $'$, ...
0
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1answer
27 views

How to indent the equation number to the right?

\documentclass[a4paper,12pt,numbers=noenddot]{scrartcl} \usepackage{mathtools} \usepackage{amsmath} \begin{document} \begin{equation} \delta{\mathbf{E_e} = \sum \limits_{I=1}^{M} \emph{B}_{LI} ...
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5answers
211 views

How do I align equations?

I need to align the following equations: The numbers, <,> signs and theta symbol are aligned as desired. But, the words on left are not. I tried this: \begin{flalign*} \textit{Angle}: ...
1
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2answers
133 views

How do I place the argument of “min” below rather than to the side?

\documentclass[a4paper,12pt,numbers=noenddot]{scrartcl} \usepackage{mathtools} \usepackage{amsmath} \usepackage{amssymb} \usepackage{bm} \begin{document} \begin{equation} ||\mathbf{x}^{1} - ...
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0answers
21 views

Caption in dmath* equation

I have the following equation which I need to reference elsewhere in the paper. It is for a paper in IEEE double-column format which dmath* seems to make the equation fit very well. I do however need ...
3
votes
4answers
51 views

Missing equation numbers in aligned environment inside tabular environment

I try to create a tabular environment containing a two-lined description on the left side of an equation on the right side. It looks like this: \documentclass{report} \usepackage[intlimits]{amsmath} ...
6
votes
3answers
202 views

Align square root symbols in equation

I have the following equation in my tex document: \documentclass{article} \begin{document} \begin{equation} x_{ij} = \frac{ \sum_{t}{e_i(t)e_j(t)} } { ...
2
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1answer
39 views

How to write the following equation in LaTeX?

I need this output with the same harpoon right arrow: \documentclass[titlepage]{article} \usepackage[cm]{fullpage} \usepackage{amsmath,amssymb} \usepackage{accents} ...
0
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1answer
35 views

Different equation position control in the two column paper

In two column paper, I have long equations. I want one of the equations to be appear at the bottom of the current page. I have another equation which I want to be appear at the top of the second page. ...
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0answers
34 views

How to use different styles for greek letter?

I want to use two variants for lower case lambda in my document. what should I do?
5
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3answers
96 views

Is there a package to equate particular parts of an equation?

Just wondering if there's a particular way to do the following in LaTeX: where I've equated a particular part of the main equation to a little equation, given by T and U. Thanks in advance!
1
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2answers
39 views

Large space between text and equations when I \begin{equation}

When I do this, there is a large space between the text and the equations. I was wondering if there was a way to solve this. I am using amsmath. Thanks a lot \textbf{Solution} \begin{center} ...
3
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4answers
56 views

Aligning equations in a beautiful way

This is my code: \begin{alignat*}{5} & \mathrm{B} &&{}+ \mathrm{R} &&{}\cdot \mathrm{t}_1 &&{}= \mathrm{R}_{\mathrm{max}}&&{}\cdot \mathrm{t}_1\\ ...
9
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3answers
238 views

How to reference a quote like an equation?

For my project, I've interviewed some people and used parts of those interviews as quotes in my project. Some quotes I would like to reference later on, just like how equations are referenced, with a ...
5
votes
4answers
217 views

number a system of 4 equations in 2 lines

I have written 4 equations in two lines and I want to give a single number for all of them without changing their format. My code for the equations is the following: \begin{center} ...
0
votes
1answer
25 views

refer equations across chapters

I want to refer equations and figures from the previous chapters(showing in structure). I have to find the label from that chapter each time which is consuming more time. I want pop ups for all ...
2
votes
1answer
24 views

Why are there so many errors (missing \right or extra \right)?

I've counted and checked but can't seem to find the problem. \begin{flalign*} u_0(x,\ t)\ =&\ x\left[t\ +\ \frac{t^3}{3}\right],\\ u_1(x,\ t)\ =&\ x\left[t\ -\ \frac{2t^5}{15}\ -\ ...
2
votes
2answers
31 views

How to resize matrix equation in beamer?

How do I resize this equation to get it to fit? I've googled for examples with no luck. --Bob \documentclass[11pt]{beamer} \usetheme{Warsaw} \usepackage[utf8]{inputenc} ...
3
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0answers
32 views

Difference between equation and align using tex4ht

I'm trying to produce an html copy of my book, which is written in LaTeX using tex4ht. Things are going better than I expected. But in some places I use the equation environment and in others align. ...
2
votes
1answer
49 views

Excess space before \[ at start of paragraph

When I have a displayed math equation (\[...\] or equivalently the displaymath environment) at the start of a paragraph right after a heading, there is too much space before it. This short code ...
2
votes
1answer
43 views

Referencing formula before defining it

I'm writing a scientific article and I would like to reference a formula before it appears in the text. In principle it should work, the problem is that I want to use the hyperref package, so that I ...
4
votes
4answers
115 views

Move second line in an equation to the left with split

I have the following equation: \begin{equation} \begin{split} f_a(w_1,\ldots,w_m,&z_{w_1pa},\ldots,z_{w_mpa},a) = \\ &\prod_{j\in \{1,\ldots,m\} \mid z_{w_jpa} \neq \emptyset} \left( ...
0
votes
0answers
21 views

Numbering equations within a table, \ref not working [duplicate]

I'm numbering equations within a table. First I setup \newcommand{\teqtag}{\hfill\stepcounter{equation}(\theequation)} Then within each table cell I have $x=y\teqtag\label{eq:myeqn}$ And ...
0
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0answers
25 views

aligned equation block error [duplicate]

Trying to create aligned equation block , seems that i've problems using inside with \left[\right]... \begin{equation} \begin{aligned} ...
4
votes
3answers
42 views

Align an aligned environment nested into split

I want to align the lines inside an aligned that is nested inside a split with the rest of the equation. This is an example: \usepackage{amsmath} \begin{equation} \begin{split} \text{max:} ...
1
vote
4answers
46 views

Dividing line in a matrix

How can I Tex this equation? I try to have exactly the same result but for the moment I only succeeded in having intersecting lines... Thanks!
0
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3answers
47 views

Adding text line in Equation Environment

I am a new user in LaTex. 1. Can someone please help me what wrong is with this code. \begin{equation*} T_{Loop Filter}(s)=K_{p}+\frac{K_{i}}{s}\\ The overall transfer function of given PLL can be ...
0
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1answer
34 views

Compile equations used in a document to an equation sheet?

I am trying to find a way to take all of the numbered equations in my document (i.e. anything inside an equation environment) and automatically generate an equation sheet appended to the end of the ...
6
votes
2answers
130 views

How to add square/circle around a term in equation and add comments using beamer

I am using beamer to write a presentation. In one slide I wrote a formula that looks like this: What I would like to do is something like this: Basically I want to draw a square or a circle ...
2
votes
0answers
19 views

Put parentheses by default when referencing an equation [duplicate]

I have this equation: \begin{equation} \label{eq:helicsol} x = y \end{equation} and then I have: As we can observe, the solution of \ref{eq:helicsol} and I get: As we can observe, the ...
3
votes
3answers
55 views

Gathering underbraces

this is my first question in this website. I have to say that it is being very useful for me to visit this site to learn how LaTeX works, so congratulations. So, the question is, how can I do this? ...