{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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0
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1answer
61 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
93 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 $$L = U(x,y) - \lambda (g(x,y) -c) $$ ...
0
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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
votes
1answer
38 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} ...
5
votes
5answers
227 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
vote
2answers
147 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} - ...
1
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0answers
30 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
81 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
274 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
votes
1answer
45 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
votes
1answer
48 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. ...
1
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0answers
46 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
109 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
vote
2answers
53 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
58 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
votes
3answers
284 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
228 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
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1answer
29 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
29 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
44 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
votes
0answers
38 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
62 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
53 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
132 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
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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
26 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
60 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
73 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
62 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
votes
1answer
54 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
285 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
22 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
64 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? ...
6
votes
2answers
225 views

Equation numbering in square brackets [duplicate]

Does anyone knows how can I use square brackets instead of parenthesis when numbering my equations? I used this command: \begin{equation} y = 2x \end{equation} The number appears on the right ...
3
votes
1answer
76 views

How to move amsmath equation label into LHS margin?

I am using amsmath and I would like to move the equation label into the left hand side margin aligned with the top of the equation. I have looked through the documentation but I can't find anything on ...
2
votes
1answer
63 views

Digit zero with a dot inside also in text mode

\documentclass[a4paper,11pt]{article} \usepackage[T1]{fontenc} \usepackage[utf8]{inputenc} \usepackage{lmodern} \usepackage{empheq} \makeatletter \newcommand*{\pmzerodot}{% \nfss@text{% ...
3
votes
5answers
118 views

Like displaymath, but without math-mode

I often find myself doing things like \[ \begin{tabular}{cc} foo & bar \\ baz & qux \end{tabular} \] or \[ \begin{verbatim} code snippet \end{verbatim} \] to put a table or code snippet ...
5
votes
1answer
94 views

equation exceeds page width after changing document class from “article” to “beamer”

I write "article" at first, but I also need pdf in "beamer" version. But I found for those long equations appears fine in "article" will exceed the page width in "beamer" mode. So is there a method to ...
6
votes
2answers
121 views

How to avoid extra equation numbers while using subequations?

I searched through the web but I could not find the solution to my question: I try to write equation in the following format: TYPE a: A = {mathematics relation-a} 3.1 TYPE b: B = {mathematics ...
2
votes
1answer
99 views

Long equation design patterns in LaTeX

Is there an acceptable design pattern for how to type out LaTeX math formulas that have a lot of internal dependencies (the formulas do not necessarily have to be very long, just be very packed ...
2
votes
3answers
135 views

Help on typesetting an equation with fraction in numerator and denominator

I have the following equation: \documentclass{report} \begin{document} \begin{equation} T_e=\frac{T_{disch}\cdot e^{\frac{T_{ahe}-T_{disch}}{LMTD}}-T_{ahe}}{e^{\frac{T_{ahe}-T_{disch}}{LMTD}}-1} ...
3
votes
1answer
37 views

Can split and array work together?

I have the following problem. I need an equation which contains arrays and which should be on different lines because too long for one line. This is the code: \begin{equation} \begin{split} ...
0
votes
0answers
26 views

Is there a package to do function substitution and evaluation? [duplicate]

Is there any way to get function substitution and evaluation automated in LaTeX? That is, if I have $f(x)=x^3 + 3x^2 - 2x - 14$, and I want to show students what $f(2)$ means, I want it to ...
5
votes
2answers
136 views

What is the difference between align and equation environment when I only want to display one line of equation?

I am typesetting a physics document, and sometimes I need to type equations of several lines while in most cases I only need to type one-line formula. So is it OK if I always use align environment ...
2
votes
2answers
50 views

Equation mode, labelling equations

I have the following \[K^{-1}\left\|\sum\limits_{n=1}^N a_ny_n\right\| \leq \left\|\sum\limits_{n=1}^N a_nx_n\right\| \leq K\left\|\sum\limits_{n=1}^N a_ny_n\right\| (\dagger)\] But the ...
3
votes
1answer
116 views

How to put a box around just one equation inside eqnarray?

I would like to put a box around \dot{\mathcal{N}}_0+ik\mathcal{N}_1=-\dot{\Phi} inside the eqnarray below. I used \boxed{}, but did not work. \documentclass[a4paper,12pt]{article} ...
3
votes
1answer
55 views

Missing } inserted. \end{alignat}? why this error keeps on popping up?

here is a part of my code, which I am trying to run. \begin{alignat}{2} [M]: \max_&Z ~ \label{eqnP27}\\ \mbox{s.t.}~ %capacity constraints & \sum_{k \in H} y_{k} \leq ...
2
votes
1answer
192 views

What is the difference between `split`, `multline`, `align`, `breqn` for breaking an equation into multiple lines?

Sorry if this question sounds a bit amateurish but I haven't been able to find a good summary about the differences between these four environments for multi-lining an equation. Where do they differ ...
3
votes
2answers
61 views

Bold brackets in equations

I want to write an equation with bold extended brackets. For instance in: \left[ \frac{1}{2} \vec{\nabla} \times \vec{v} \right] I want \left[ and \right] to be bold. I already tried ...
0
votes
1answer
32 views

Parenthesis Size in a multiline equation

How can I use \left(.... \right) which automatically adjust size of parenthesis with it's inside content, in a multiline equation in \begin{align} and \begin{equation} environment.