{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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5
votes
2answers
77 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 ...
1
vote
0answers
30 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
90 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 ...
2
votes
2answers
48 views

How to split very long equation in two pages?

I need to split this equation in two pages. Can you help me? Thanks \documentclass[11 pt,a4paper,oneside,openany, notitlepage]{article} \input epsf \usepackage{amsmath, amssymb, graphics} ...
2
votes
1answer
63 views

How to reduce margins inside the equation environment?

do you know a way to reduce margins inside the equation environment to be sure that a very long equation fits in a line (I have already reduced the fontsize of the equation)? Thanks here my code: ...
0
votes
0answers
36 views

Sub and super script in a diffent font [duplicate]

In a equation, I need sub and super script in a differnt font, other equation part as a differnt font, I am Using MiKTeX 2.9 version. How to get these style in the output? supscipt position is ...
7
votes
4answers
216 views

How to type several equations with one vertical line next to them

How can I type the following equation in LaTex:
4
votes
1answer
141 views

Correct arrow for mathematical limits

I am currently using $$\phi(\varepsilon) \overrightarrow{ \varepsilon \rightarrow 0 }0 $$ for writing down mathematical limits. But I am not very confident with this notation, as the text under the ...
2
votes
2answers
84 views

Description list for equation's terms

I'm trying to create a custom description environment (using enumitem) so I can describe the terms of an equation. What I want is to define item labels that are defaulted to inline math mode, and also ...
4
votes
2answers
120 views

How can I make this equation fit on a single line?

I want to make this equation fit on one line. I've tried to use \small, but it doesn't work. What should I do? \begin{equation} 1^{st}integral= \int_{0}^{\infty}{\frac{2 \pi \zeta}{\alpha} ...
4
votes
4answers
238 views

big square parentheses with subscript

what I want to do is: what I have done is: \begin{align} \tag*{(1)} & v_t(\mathrm{\textbf{K}})= \mathbb{E}\left[_{0\leq x_j\leq D_{jt},j \in J} \max_{\mathbf x \in \mathcal J(\mathbf ...
5
votes
2answers
100 views

Big Euclidean norm?

I would like to replace the Euclidean norm and the first pair of brackets with bigger ones but I get errors. Can you help me to fix it? \documentclass[11 pt,a4paper,oneside,openany, ...
4
votes
2answers
79 views

Equation: placing subscript explanation at the very end

Most of the times I use equations that have subscripts and sometimes I want to give a short explanation of the subscripts, e.g., what are the limits, or which are the categories, should they be small ...
2
votes
2answers
76 views

Simple newline in equation [duplicate]

I'm trying to line-break in the middle of a series of defined matrices. The code looks like: \begin{equation} I = \begin{pmatrix} 1 & 0 \\ 0 & 1 \end{pmatrix}, X = \begin{pmatrix} 0 & 1 ...
1
vote
2answers
69 views

Two lines in an equation of one line

What I want to do is to include two lines at the begging in an one-line equation, just like in the following picture. Does anyone have any idea in order to achieve it? Thanks a lot.
2
votes
2answers
52 views

Inline and display equation font size

I need the display equation fontsize 1pt smaller than the normal text, but inline equation remain same as text font size. how to handle this in latex anyone help on this thanks in advance
1
vote
1answer
60 views

Cross reference the equation: number are not consistent [closed]

I have a very weird problem in Latex. I have an equation: \begin{equation} \label{eq:eq1} \end{equation} This equation has the number (1) at the end of it. This is correct and what I want. ...
5
votes
1answer
117 views

Break in square root line

I'm having a problem where the line that runs the top length of my square root sign is discontinuous. \begin{equation} N_t(\text{V})=\sqrt{\sum_{i=0}^{n}N_i^2} \end{equation} Yields this... ...
3
votes
1answer
120 views

Put numbers to equations

I want that latex always puts a number behind an equation that I created with $$ $$, but not when I did it with $ $. Is this possible?
0
votes
2answers
551 views

\begin{equation}: “Display math should end with $$” error?

I'm pretty new to LaTeX, completely new actually, and there is one thing I can't quite understand. I get the error "Display math should end with $$" when writing an equation like this: ...
1
vote
3answers
70 views

equations in multiple lines

I'm using the following code to generate the second figure. \begin{equation} \begin{array}{c} \displaystyle \min_{W, ...
2
votes
1answer
2k views

Latex question “Missing $ inserted

I want to write this simple equation in latex 2/|w| In which |w| is the norm of w,, I tried with \frac{2}{\|w\|} And get error "Missing $ inserted" then I use this ...
0
votes
1answer
272 views

Equation with \argmin inside table

I want the equation to properly show the argmin tag with variable at the bottom inside a table. In my case it is showing as a subscript. I tried everything but cant get this done. The following is a ...
1
vote
2answers
61 views

Help with cross-referencing an equation

I am trying to learn how to use the \eqref commands instead of just doing tag{1.1}, so I don't have to go back and renumber. I'm having trouble: in problem 3b, I say Now \eq{y(t, \epsilon)= y_0(t) ...
0
votes
1answer
45 views

Cross-referenced equation never becomes defined

I have a strange problem with cross-referencing my equations: no matter how often I run pdflatex they stay undefined. Other references do get resolved. Is there something wrong with the way I label ...
3
votes
1answer
100 views

bad looking binomial

I want to post something on math.stackexchange, but I have doubts about visual aspects of it. Take a look at $ {n \choose \lfloor \frac{n}{2}\rfloor} $ or $ { {n} \choose \frac{n}{k}} $ It ...
4
votes
2answers
243 views

how to make maths equations start at the left?

how to make maths equations start at the left? $$ \lim_{ x \to 0} \frac{\log {10 + \log(x+ \frac{1}{10})}}{x} = 10 $$ this display on center we want to start it left
6
votes
2answers
593 views

Slanted greater than and equal to, less than and equal to

Need to produce a "Greater than" or "Equal to" symbol with a slanted equal component of the symbol, i.e. the bottom bar not parallel to the typed line, but parallel to the bottom bar of the right ...
1
vote
5answers
97 views

Line breaking in equation

This is the equation I want to write in LaTex: I have read these advices, but for split and multilined commands it says that they are undefined (and also for multiline, but nevertheless this is not ...
2
votes
1answer
46 views

How can I typeset an equation with braces and conditions in LaTeX?

I've got the following equation I've used \begin{equation} \centering A_j = \begin{cases} 0 & N^2 < N_j^2 \\ \text{must have been constrained,} ...
3
votes
1answer
60 views

How to place text flushed right in math mode (next to equation number)?

I have equations like this: \documentclass[DVI=17]{scrartcl} \usepackage{amsmath} \usepackage{cleveref} \DeclareMathOperator{\FA}{FA} \DeclareMathOperator{\RA}{RA} \DeclareMathOperator{\MD}{MD} ...
2
votes
1answer
45 views

Are the \[ and \begin{equation} used interchangeably?

When I use double dollar signs $$ or \[ and \] to begin and end math mode I have no problem compiling the file. When I substitute them with \begin{equation} and \end{equation} correspondingly I get an ...
1
vote
1answer
42 views

IEEEeqnarray reference subequations and subequation set

I've a pair of equations and I want to reference to them once using the sub-eqations, i.e. (1a),(1b) and once reffering to both of by using (1). How to do that? Here is what I've so far: ...
5
votes
2answers
332 views

Prettying up this equation from Mathematica

I like to type in 2d maths into Mathematica and then generate latex code for it. It has been working fine so far until I attempted this expression: TeXForm[HoldForm[ S (k*L) = (4*l + 1)/ 2 ...
0
votes
1answer
131 views

How to draw a induced charge under soliton - Feynman diagram?

Can someone illuminate line-by-line clear, how to draw this diagram? Just a clear LaTex code is enough. Thank you!! Either for the case: (1) in an equation or (2) in the figure.
3
votes
4answers
82 views

Make aligned equation vary alignment to avoid equation numbers on new line

I need to write a mathematical programming model composed of several constraints. Constraints are represented as two-columns rows: the first column is the equation and the second is its domain, e.g. ...
5
votes
1answer
68 views

Labeling Multiple Equations Per Row of a Table

I am trying to create a table with two columns of independently labelled equations (1-6). Unfortunately, everything I have found so far either has not worked or would number them as sub-equations (1a, ...
4
votes
1answer
61 views

Beamerposter does not automatically change font size of equation number

I'm using the beamerposter package. While I'm able to change the font size of my equations, I cannot change the size of their corresponding labels. Consider the code below as a MWE. Is this ...
9
votes
3answers
353 views

Writing an equation with the units positioned off right

Okay so I have a have a lot of equations in the document I am writing and I am trying to display the units of an equation off to the right. I was wondering how I can achieve this? Right now, all I ...
6
votes
2answers
82 views

itemize inside an equation

I am trying to use itemize inside an equation, but I am getting a bunch of errors \documentclass[12pt,a4paper]{article} \usepackage[utf8]{inputenc} \usepackage{amsmath} \usepackage{amsfonts} ...
0
votes
0answers
44 views

Irrelevant spacing for equations

I have some problem with spacing. In the right column there are so many irrelevant space before and after my equations, and also after my picture. \documentclass{article} ...
1
vote
1answer
65 views

What are the restrictions when using the TeX Live rpm distro?

I installed [root@magpie ~]# yum -q info texlive Installed Packages Name : texlive Arch : x86_64 Epoch : 3 Version : 2013 Release : 4.20131226_r32488.fc20 Size : ...
1
vote
1answer
33 views

Set colour of equations when using preview package

I use the preview package to export a pdf containing only my equations by putting the following in the preamble \usepackage[active,tightpage,displaymath,textmath]{preview} ...
6
votes
3answers
368 views

Long text in math equation in latex

How can I generate equations (mostly text) as given in the figure below: I am using align environment but it's not generating the intended results. Any solution would be appreciated. Thanks.
1
vote
4answers
1k views

Begin Array in LaTex

Tried the equation in the image below with the following codes, but was encountering errors. Please can anybody be kind enough to help. Thanks. \begin{array} {p^'}_0\left( t \right) = - \lambda ...
1
vote
3answers
66 views

How to do group of this equations?

Here (P1) denotes problem 1 and (P2) denotes problem 2. (D1) and (D2) denotes their relaxations. I want to pose the question whether the relaxations may or may not be equal. I am familiar with writing ...
6
votes
2answers
699 views

How can I write these chemical reaction equations?

Trying to write a thesis, and I need some reaction equations. How can I write this in LaTeX?
2
votes
3answers
78 views

How can systems be side by side with an arrow between them

Here's my problem : I'd like to a write many equivalent systems of equations. Therefore, I'd like the first to be at the left, then an arrow (\Leftrightarrow, for example, since they're equivalent ...
1
vote
1answer
56 views

Aligned and \left \right [duplicate]

The following aligned equation gives an error 'Extra }, or forgotten \right.': \begin{equation} \begin{aligned} U&=\mathbb{R}^{M N}\\ V&=\mathbb{R}^{2 M N}\\ W&=\mathbb{R}^{4 M N}\\ ...
6
votes
3answers
198 views

why does something disappear in the aligned environment?

I noticed a strange behaviour with the aligned environment: \begin{equation}\label{eq:direct_limit} \begin{aligned} [x] + [y] & := [\eta_{ik}(x) + \eta_{jk}(y)],\\ [x] \cdot r & := [x \cdot ...