{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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22 views

Math equation problem help [duplicate]

I got the following message based on the code below, any one tell me how to debug it: ! Missing $ inserted. $ My code is: \documentclass[11pt]{article} \usepackage{amsmath} \usepackage{amssymb} ...
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0answers
44 views

Math equation bug [duplicate]

I have the following formula, the problem is that once I add \begin{equation} ...\end{equation} I receive an error message, but If I add the same formula between two $..$ it is work properly. any one ...
5
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1answer
60 views

Tips on ways to mark important equations/statements in a thesis/paper

I'm writing my masters thesis and in it I have a set of examples for different chapters which I separate from the rest of the thesis by a mdframed-box. Furthermore, I have a set of equation that are ...
2
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1answer
59 views

Eqnarray help (disadvantage) when breaking across columns

I'm a first time TeX user and had typed out certain (long) equations in a single column format for submission to a journal (that part worked fine). Unfortunately, I accidentally missed the fact (!) ...
3
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1answer
62 views

Positioning equation number not working

In this example the equation number is even below the equation itself. I thought a [t] of [m/c] option could position the number. Doesn't work. How can I get the equation number to be at the top, ...
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1answer
34 views

Equation subnumbers in IEEEtrantools?

I'm using subnumbers in IEEEtrantools: \documentclass{article} \usepackage{IEEEtrantools} \begin{document} Numbered equation: \begin{IEEEeqnarray}{rCl} a & = & b \;. \label{eq:tTy} ...
9
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2answers
107 views

Incorrect reference to the equation number in algorithm2e

I want equation number in an algorithm with chapter number included. Here is my code. \documentclass{book} \usepackage{amsmath,amssymb,amsthm, latexsym,float,epsfig,subfig} ...
8
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1answer
142 views

Equation number for each row of a matrix equation

Is it possible to give an equation number to each row of a matrix equation? How could I have equation labels in the vein of subequation numbers, one for each row of the matrix equation? Here, I'd ...
2
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2answers
148 views

Equivalence arrow in LaTeX

I have an equation like \documentclass[12pt,a4paper]{report} \usepackage[latin1]{inputenc} \usepackage{amsmath} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsthm} \begin{document} ...
6
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1answer
66 views

\eqref for systems

Is there anyway to create a single label for a system of equations instead of just one, such that I can recall it? I've done this but the result doesn't totally make sense. ...
3
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1answer
87 views

Eqnarray nested matrices produces alignment error

I wrote the following equation array. \begin{eqnarray} w_{0} & < & 1 \\ w^{m}_{i} & = & \left \{ \begin{matrix} w_{0} & i = 0 \\ ...
4
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2answers
75 views

Help with aligning equations and numbering

I'm new to LaTeX so you're going to have to bear with me. I am trying to write a project report using it and I have got this so far for a certain section: Then, ...
1
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1answer
41 views

How can I align two captions? [duplicate]

I have a figure and an equation side by side. The code is as follows: \begin{figure}[H] \begin{subfigure}{.5\textwidth} \centering \includegraphics[width=.8\linewidth]{cycle} \caption{The opsin ...
2
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1answer
60 views

Multi-line equations in latex

Is there anyway to write multi-line equations in latex automatically, I mean without using line break or other manually breaking lines. is it possible to tell latex to begin with the next line when ...
6
votes
1answer
68 views

Want theorem and equation numbering linked under section

Similar questions have been answered but the solutions didn't seem to give what I need. I would like theorems and equations both to proceed as follows within each section. Say we've begun Section ...
2
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0answers
39 views

“latex missing } inserted” error message in equation [closed]

I have a slightly complex, long section of equations in my latex document, but from what I can see I think it is programmed correctly. When I compile the document, I get the error ...
5
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2answers
89 views

Coloured shadowbox around equations?

I currently put some boxes around equations using: \newcommand*\eqbox[1]{ \definecolor{shadowcolor}{RGB}{0, 0, 102}\setlength\shadowsize{2pt}\shadowbox*{#1} } \eqbox{$1+1=2$} How to have the same ...
2
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3answers
78 views

Splitting equations with parentheses in aligned [duplicate]

How can I break the first line \begin{equation} \begin{aligned}[2] & some stuff \left\{ stuff' + stuff'' \right\} \\ & = some other stuff \end{aligned} \end{equation} in a way such that the ...
9
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1answer
129 views

Equation alignment

I'm a little new at this so bear with me. What I intend to get is this: I used the following code to obtain it: \begin{flalign*} \quad f(x) &= e^{x} - x - 1 ...
6
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2answers
203 views

How do I modify an equation with a long numerator and a normal denominator?

I have a long equation from Mathematica with very long numerator and normal elements of denominator. \begin{equation} P_1(t)= \frac{\exp \left(-\frac{1}{4} t \left(\sqrt{-6 \lambda _{\text{G1}} \mu ...
2
votes
1answer
56 views

Automatically add a vertical spacing in formula numbering [duplicate]

I have a document with several equations that fit the text width, so the tag is below the equation in those long formulas. I don't want to use splitting enviroments but in some cases, specially in ...
4
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1answer
59 views

Error persists after removing the code

I accidentally added an erroneous backslash to a code in the equation environment. Even after removing it - in fact even after removing the whole line - the error persists. ! Undefined control ...
9
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2answers
298 views

How to improve the style of this LaTeX line

I have the following line in TeX and my problem is that the backslash is too small and the text under the bigcup becomes very cumbersome: $$ess \ supp(f) = W \ \backslash \bigcup_{\Omega \subset W ...
6
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2answers
103 views

Multiple \cline{x-y} in align environment for subtracting equations

I'm trying to make a solution sheet for a student of mine and want to write it in a similar way as I would do when writing per hand. In this case I wanted to have 4 columns of equations (I know that ...
4
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2answers
86 views

Need to reduce a line between these equations

I'm not entirely sure how much this depends on how much I've formatted on my document. I have two equations \begin{equation*} \vec{n}_w \times [\vec{E} + \vec{v} \times \vec{B}] = \vec{n}_w \times ...
4
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2answers
395 views

What program is something like this created on?

Been trying to further improve my LaTeX skills, and such to make my notes look better. But I was curious if you guys could easily tell what program something like this was created in? ...
2
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0answers
82 views

Identical space around \[ \] and the amsmath environments set to a personnal value

I wish to have the same spaces around the brackets \[ ... \] as the space around the environments align and equation (above and below, short or not) from amsmath, ideally (I set \parskip=1ex), ...
0
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1answer
27 views

How adjust the vertical space in aligned equations (in the Preamble)?

I always find the standard \\ to be too little in aligned equations. I used to do \\[5mm] or similar in the past, but there must be some automatic way to do this once and for all in the preamble. Is ...
1
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0answers
74 views

Advection-diffusion equation in latex

I'm having problems (errors) in writing the advection-diffusion equation in tex. \[\frac{\partial C}{\partial t} -\frac{\partial }{\partial x} \left[D_{x} \frac{\partial c}{\partial x} -u_{x} ...
3
votes
3answers
109 views

Change the tag for equations

I want to show my equations in the form (Eq. 1) instead of (1). I am trying using \tag but this changes completely.
5
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2answers
142 views

Add equation name besides equation number (so that \eqref inserts only the number)

I am trying to add equation names besides the equation numbers but, in addition, in such a way that \eqref inserts just the number. Inspired by the top answer in Add equation name underneath equation ...
3
votes
2answers
120 views

Numbering equations with figures

I need to asign a number to equation which contains figure. My code is \documentclass[12pt,a4paper]{article} \usepackage[slovak]{babel} \usepackage[utf8x]{inputenc} \usepackage[T1]{fontenc} ...
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0answers
55 views

Extremely long equations giving overfull hbox

I am using wxMaxima for doing homework. I have extremely long mathematical equations. I exported my work to a .tex file. But now I have several overfull bad box warnings. I tried to use geometry ...
6
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3answers
172 views

Horizontal spacing after cases bracket in equation

How can I add a little horizontal spacing after the cases bracket, at the depicted position, so that 1 and 0 move to the right (the given screenshot looks okayish, but I'm using a different font where ...
8
votes
4answers
154 views

splitting middle equation of 2 rows

I have a very long equation which does not fit on the page and I am wondering if anybody can help me to align it properly. \begin{align*} &(q^1+q^3+q^5+q^7)(q^2+q^4+q^6+q^8) \\ ...
5
votes
2answers
103 views

Breaking equation - Problem with brackets

I want to break a long equation in LaTex. I have tried multline and align but I always get errors with the brackets. \begin{equation} \dfrac{dr_{ij}}{dt} = \frac{1}{2r_{ij}} \left[ 2 \left( ...
5
votes
4answers
263 views

How to add a line break in math mode but number the whole as one formula?

I am trying to get the following formula on two lines like this: \begin{equation} W \in \mathbf{M}_N \rightarrow W' \in \mathbf{M}_{N+1}\\ (w_{ij})_{1\leq i,j\leq N} \mapsto (w_{ij})_{1\leq i,j\leq ...
5
votes
3answers
253 views

QED - as three letters - to the right of a display equation

What is the best way for me to get "QED"--as the three letters, not the square generated by \qed--flush with the right side of a page on the same line as a display equation? Note - I am intentionally ...
2
votes
1answer
93 views

Strange behaviour of wrapfigure if followed by equation

I have just had some problem with wrapfigure where I used the following code: \documentclass[a4paper, 12pt]{article} \usepackage{wrapfig} % to have text around figures \usepackage{graphicx} ...
0
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0answers
52 views

Why Latex cannot compile when I add “\left[ ]\right” [duplicate]

Successful code: \documentclass[a4paper,cs4size,UTF8]{ctexart} \usepackage{amsmath} \usepackage{mathtools} \usepackage{amssymb} \begin{document} ...
3
votes
2answers
53 views

Multiple lines in equation environment

I have to put an two equations inside one equation environment. I could do it with this piece o code: \begin{equation} \begin{array}{ccl} \nabla \cdot F & = & \left(\frac{\partial}{\partial ...
3
votes
5answers
243 views

An double arrows between two systems

I'm trying to have 2 equations systems separated by a double arrow, something like this : I'm actually using 3 minipage : the first and the third with and array and the arrow at the ...
5
votes
1answer
106 views

Box or [ around multiple lines inside align

I have the following code \documentclass{article} \usepackage{amsmath} \begin{document} \begin{alignat*}{4} \begin{minipage}[h!]{0\linewidth} \text{Let:} \end{minipage} ...
3
votes
0answers
25 views

Connecting two elements in the equation [duplicate]

Suppose that my equation has six elements and I want to visually connect them into pairs (A with C, B with E and D with F). Is that possible to do? Example: --------- ...
4
votes
3answers
80 views

aligned environment, align numbers to right

I have an "equation", where I simply want to give some constant values. I'm aligning on the equation symbols, but as the numbers have different amounts of digits, I would also like to align the ...
5
votes
2answers
217 views

equation with arrows

My intention is to create equation which looks similar to one of examples below (I prefer the second one). There should be an arrow from JKL to DEF and GHI and from GHI to DEF. Neither alignment ...
2
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0answers
15 views

Error using split within an equation [duplicate]

I am getting multiple errors for using split within an equation. I use this command in a number of other places throughout my LaTeX document, but there is one case in which many errors are given ...
5
votes
2answers
78 views

Use integral or sigma as delimiter?

I'm learning LaTeX as I go to write a proof, and I have this chunk of code: \begin{align} f(x) & = \displaystyle\sum\limits_{n=0}^{\infty} \frac{(-1)^n(x^{2n})\left[1 \cdot 3 \cdot 5 \ldots \cdot ...
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0answers
33 views

LaTeX Printing reference identifier along side reference number

I am wondering if it is possible to turn on (or create) a feature that would cause all reference numbers to be printed with the variable name that defines that reference? For instance: ...
3
votes
1answer
92 views

How to improve in-text math expressions with multiple delimiters such asl `(`, `|`?

Consider this equation: first $\lceil (cN-n) |S_{n+1}|\rceil$ points which renders to: Is there a way to improve this, from the perspective of readability? The only improvement I could suggest ...