{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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4
votes
1answer
43 views

I can't fit my whole equation in a beamer slide

\begin{frame}{Example 1 cont.} \begin{minipage}[c][.5\textheight][c]{\linewidth} Consequently, the first few components of the homotopy perturbation solution for Eq. (4.1) are derived as follows ...
2
votes
2answers
44 views

Variable number of ampersands in align/alignat env

I am trying to display this equation in latex: \begin{alignat*}{2} \forall \, z \in \mathbb{C}, \quad & (2z + 1 - i)(i\bar{z}+i-2)=0\\ \iff & 2z + 1 - i = 0 ...
3
votes
3answers
126 views

Using “equation” inside “description”

I would like to itemize some equations but they don't appear on the same line as the bullets. Here is a code example \documentclass[11pt,a4paper]{scrbook} \usepackage[utf8]{inputenc} ...
6
votes
1answer
106 views

Left aligning centered equations

I have set of equations which I would like to just assign one number to. The equations should be aligned at the center of the page. The problem is that I would like all equations to begin at the same ...
1
vote
2answers
65 views

Exponent + square root + fraction: how to make look nice?

I have the following equation: \begin{equation}}e^{i\sqrt{\frac{\omega\mu_0\sigma z}{2}}}\end{equation} It is a fraction within a square root which is part of an exponent. Any idea how to make ...
2
votes
5answers
75 views

How to align equations with the inequality sign separated from the right-hand-side math material?

I do \newcommand{\va}[1]{\left | #1 \right |} [...] \begin{align*} & \va{\crochets{\frac{-\cos(nt)}{n}\cdot \frac{1}{e^t-1}}_{\varepsilon}^A} \\ \leq &\frac{1}{n} \cdot \left ( ...
5
votes
2answers
724 views

What's wrong with the code of the equation?

I tried this code below but it does not execute and I couldn't find out what is wrong in the equation. What did I do wrong? $MDAC(t_{i,j}) = max_{ti}\epsilon pred(t_{j})(C_{i,j)$
2
votes
1answer
24 views

Cross reference of an inline equation

Consider the equation \begin{align*} \dot{x}_i(t)=f_i\left(x_1(t),\ldots,x_N(t)\right) \\ + g_i(x_1(t),\ldots&,x_N(t))u_i(t),\tag{$\Sigma_i(u_i)$}\label{eq:subsystem} \end{align*} ...
1
vote
1answer
60 views

Is there a way to put two labelled equations into one \begin{equation} and align both of them at the beginning?

I can't believe how difficult it is to work with \begin{equation}. I put one extra blank row under the equation and multiple errors popped up. Anyways, I have two equations which are labelled ...
3
votes
2answers
188 views

latex equation is logging a "missing $ inserted. <inserted text> $

I have a big document and all was working good. I made a change into the parameters of the equation and now this is not compiling. I use XeLaTeX to compile normally. \begin{equation} ...
0
votes
0answers
23 views

Label equations in a documents all start with a capital letter S [duplicate]

I am working with a supplementary material. By default, at the end of all the equations are of the form (1), (2), (3)... Now I want them change into (S1), (S2), (S3). Where S stand for supplementary.
1
vote
1answer
32 views

equation in a table LaTeX

I am trying to input this OneOf & \left\{ x_{1}, \dots ,\right x_{n} \}& ~ \\ into one of my table rows. Because its a equation it does not like it and because I am a ...
3
votes
1answer
50 views

Inline Boxed Equation

I'm having trouble producing a boxed equation in the same line as some other formulae. For example: $$ \frac{2}{4} =\[\boxed{ \frac{1}{2} }\] $$ I'd like to be able to show some calculations, ...
1
vote
1answer
50 views

Issue with ntheorem and \eqref

Whenever I try and label an equation in the following format \begin{equation}\label{eq:blah} blah \end{equation} and then reference this equation By \eqref{eq:blah} I get the usual (??) of an ...
2
votes
1answer
40 views

I want to suspend the numbering of my equations temporarily

Hopefully someone can help me with this. Essentially, I would like to suspend the numbering of my equations temporarily, as the title of the question suggests. For example: (1) (2) (3) (1) ...
2
votes
3answers
60 views

How can I align such equation?

This is my code, but I'm failing to achieve the same result as in the picture. \begin{eqnarray*} ...
4
votes
2answers
120 views

Text is smaller in fractions in multiline equations?

The text size shrinks in a multiline equation when I use fractions. How can I keep it the same as the non-multiline equation size? \begin{equation} \begin{cases} p = ...
0
votes
3answers
39 views

Breaking an equation in a desired case

Although there are some ways to breaking an equation even at TexStack but they could not help me. I have an equation which is written below: \begin{eqnarray} \langle ...
3
votes
3answers
101 views

How can I center a set of equations and make a line under one of them?

This is something I need to achieve, I have a problem with the last equation. How can I underline this the same way as above? I've tried writing it as one fraction, but the other fraction in ...
1
vote
0answers
60 views

How to express non-linear equation in latex [closed]

I have a function that is essentially optimising a value, i.e. "find a minimal t_i such that..." What I have is below, 't_i' is unknown, 'd_i' and 'p_u' are given, as is the function 'survest' ...
2
votes
2answers
44 views

How to put a \urcorner around some symbol?

Like this: Tried P_{30:20^{\ulcorner}}, but I want the \ulcorner to be more near to the text.
1
vote
1answer
24 views

How to view the result of \showthe\abovedisplayskip in TeXnic Center?

How is it possible to view the value of \showthe\abovedisplayskip in TeXnic Center + MikTex 2.9 + Windows 7? I tried writing the command in a document (type article) and view the result as pdf is ...
0
votes
0answers
12 views

Remove the slight indentation after using small font size - AAAI format

When using the small font size to change some parts of the file locally, such as: \documentclass[letterpaper]{article} ..... \begin{small} \[\begin{array}{l} Some formulas \end{array}\] ...
0
votes
0answers
18 views

Removing space on top of displayed equation - AAAI paper

I am using AAAI style file and have some equations enclosed in \[\begin{array}{l} Some formulas \end{array}\] Whenever such equations are displayed on top of the page (either left or right ...
1
vote
1answer
41 views

Numbering Equations in the following form [duplicate]

I would like to number equations (in increasing order using positive integers) so that the number appears in parenthses (n) in the right margin. Currently, my equation numbers appear in the left ...
8
votes
1answer
398 views

How to redefine the “plus” symbol?

Let's say I don't like the way the + symbol is printed inside equation: is there a way to change its appearance without defining a new command? More generally, is it possible to create a command ...
8
votes
2answers
370 views

How to make curly braces with several equations?

I am trying to type the following equations in LaTeX: What I currently have is: \documentclass{article} \usepackage{amsmath} \begin{document} \begin{align*} \left.\begin{aligned} ...
4
votes
1answer
46 views

2 boxed equations on one line(blue outline box and shadow)

I am currently trying to make 2 boxed equations to be on the same line. I use {mybox} to create the outline of the box and the color. Also to position the equation where i want it to be. The boxes ...
1
vote
1answer
37 views

Writing steps to an equation

I am new to LyX, how do I write steps to an equation, and if I want to do an operation on both sides of the equation, something like x+2=2 \-2 x = 0
2
votes
1answer
50 views

Colored circle with arrow around section of equation

I wanted to know if it is possible to have a more compact circled block like this: Here is my code: \documentclass{book} \usepackage{amsmath,amsfonts,amssymb,amsthm} \usepackage{mathptmx} ...
0
votes
0answers
57 views

Math spacing when using quantifiers

I'm often writing equations with quantifiers like these: \begin{equation*} x_i \quad \forall i = 1, \dotsc, n \end{equation*} I've read this answer, but I'm not sure if my case is an example for ...
1
vote
0answers
40 views

Multiline latex equation

I have latex equations within \[ ... \] commands. Some of them doesn't fit page width and they have newline command \\ inside. I tried to surround these equations with gather* environment which works ...
2
votes
2answers
125 views

How to left align an equation

\begin{equation} \lefteqn{TPR=\frac{\sum_{i=1}^{N}\sum_{j=1}^{S}S_{SU_{ij}=1\mid PU=1 }}{\sumS_{PU=1}}*N} \label{eqn:6} \end{equation} I am trying to write this equation. The denominator part is not ...
1
vote
1answer
46 views

Curly braces in arrays

How is it possible to make a big right curly brace and have something like this in an equation array block? My code doesn't work, can anyone find the problem? The left curly brace at the end of the ...
1
vote
1answer
41 views

Alignment within the equation environment

This is the state of affairs: The goal is to horizontally center the symbols over their expressions within an equation environment. So A is centered over the first matrix, x centered over the first ...
2
votes
5answers
247 views

writing around the square

I hope there was no similar thread (at least I wasn't able to find). I have problem in writing such a thing in latex: I would be grateful for any hint. Thanks in advance!
4
votes
2answers
54 views

How do I change font in array environment inside an equation?

I have the following code to define a piece-wise equation as shown in the following figure: \begin{equation} \label{xput_vc} Throughput_{VC} = \begin{array}{cc} 1 & N_{VC} \leq N_{slave} \\ ...
2
votes
3answers
141 views

align text in math mode

I have the following equation (I use MathType and then exctract it in LaTeX): \begin{equation} \begin{array}{*{20}{c}} {\begin{array}{*{20}{l}} {{\textrm{Dot product:}}}&{{\rm{ ...
2
votes
1answer
49 views

Equation align left instead of right? (not what has been answered before)

I am absolutely blown away. I have spent a month on and off looking for a solution to this extremely obvious issue and it has not be addressed anywhere that I can see. When using align for equations, ...
1
vote
1answer
53 views

How to move equation numbers to right hand side?

I'm writing a mathematical article and I want the equation numbers to appear on the right hand side and the end of the line however they are currently appearing underneath the equation on the left. ...
0
votes
1answer
22 views

How to correctly use resizebox in a revtex document?

I am writing a report using revtex4-1 with a two column style and I have an equation that is too big and I don't want to "cut" using eqnarray. I tried using resizebox but it doesn't work for me. ...
1
vote
1answer
62 views

Equation wider than tcolorbox in twocolumn

I have a large equation I would like to fit within tcolorbox in a \twocolumn page without split it. Could you please help me to fix this? i tired even \begin{minipage}[c]{5in} but with no luck MWE ...
2
votes
1answer
102 views

Horizontal space after =& in aligned environment is too small compared to &=

I ran into a very odd problem, which is illustrated in the following code sample: \documentclass{scrartcl} \usepackage{amsmath} \begin{document} \begin{equation} \begin{aligned} a=&b\times ...
1
vote
1answer
58 views

Fix arrows from equation to text

I was attempting to get this effect on my equation: Here is my code: \documentclass{book} \usepackage{amsmath,amsfonts,amssymb,amsthm} \usepackage{mathptmx} \usepackage{calc} \usepackage{tikz} ...
4
votes
2answers
93 views

Circle two terms in an equation linking them by an arrow

I'd like to know if it's possible to do something like that in an equation using beamer
2
votes
3answers
114 views

How to align the top of several columns of short equations?

I use align to generate a parameter group with a number at the center of the right side. Now I want to align the top of each column by adding \vspace{0pt}. However, it doesn't work. Any other method ...
0
votes
1answer
70 views

Only left brace or bar in math equations [duplicate]

I wanna insert only a left bar like \left | without the closing right bar. Why? I want to use it as separator of calculation hints. $a * b = c | :b\\ a = \frac{c}{b}$ and so on. It must be a left ...
2
votes
1answer
26 views

bMatrix with dot variable inside juping around

Sorry for the bad question but I could not phrase it better. The code is as follows and the output I want is [q_s,(dot)q_s]^T (I want it as a column not as the row transpose that works). \dot{x} = ...
4
votes
1answer
47 views

Latex equation tags

I have an align environment of equations in two columns. I want to give custom tags to each line, but for the first two lines I want a common tag in the middle of the lines. Any ideas would be greatly ...
1
vote
1answer
54 views

Align equations

I have to put three equations. I am using the following code: \begin{gather} m_{1,1}^i = \sum (x - \bar{x}^i) (y - \bar{y}^i)\text{,} \\ m_{2,0}^i = \sum (x - \bar{x}^i)^2 \text{ and} \\ m_{0,2}^i = ...