{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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2
votes
2answers
28 views

Problem with align alignment

I have written the following code: \mathbb{R}^n\times\cdots\times\mathbb{R}^n&\rightarrow \mathbb{R}^m\times\cdots\times\mathbb{R}^m \rightarrow \mathbb{R}\\ (v_1,\cdots,v_k)&\mapsto ...
2
votes
2answers
33 views

Complex conjugate for inner product

I am having trouble writing an inner product with a horizontal bar over it representing the complex conjugate. $\langle b_i, b_j \rangle=\bar{\langle b_j, b_i \rangle}$ doesn't do the trick Here is ...
3
votes
1answer
48 views

sum in the same line as a fraction

I'm sorry if this has been asked. I'm new to this and to Latex. I have this piece of code: \[ e^{-\xi_1 Y_1^N} = \exp\left(-\frac{\xi_1}{N}\ \sum_{n\geq1}{}V_n^1 e^{-s_n}\1_{\{ s_n \leq ...
6
votes
5answers
159 views

Two labels on the same equation line

I would like to have a compact set of two equations on the same line, each one labeled, with both labels on the far right. The code would be something like: \documentclass{article} ...
7
votes
0answers
39 views

Advanced Math and braille

How does one go about typesetting math books in braille with all parenthesized subscripts and superscripts and are there braille signs for the AmsMath package special symbols?
0
votes
0answers
11 views

latex libreoffice preamble TexMaths extension

I am currently using the texmaths extension to insert latex formulas into a powerpoint presentation. (libreoffice impress). I have to use \usepackage{braket} for the equations to work. the problem ...
4
votes
4answers
199 views

split an equation

I have the following equation \documentclass{article} \begin{document} \begin{equation} \left\{\begin{array}{l} W_1=N_c^ * w_1^c + N_s^ * \left( {w_1^s + 2w_2^s + w_3^s} \right) \\ W_2= N_s^ * ...
2
votes
1answer
25 views

Problems with \sum lower limit when in an exponent (displayed maths)

I just can't get the lower limit to be under the $\Sigma $ in an equation that has this: \begin{align*} e^{ - \sum_{x_n \leq t}{g(x_n)} \end{align*} I've tried \[ \] ,the align* environment; and ...
0
votes
1answer
40 views

how to typeset 'maximum - subject to' relation?

How to type the following formula inside an algorithm in latex?
1
vote
1answer
29 views

How to prevent the label of a long equation running into the right margin?

I have an equation of the form \begin{equation}\label{eq:master} f(x) = E \end{equation} where E is a long expression. The problem is that the label runs into the right margin. What is the proper ...
22
votes
2answers
1k views

Why does no one fix eqnarray?

It seems to me that everyone agrees that no one should use the latex built-in eqnarray environment. So much so that packages have been made to fix it, and several alternatives have been made, ie. ...
-2
votes
2answers
48 views

Numbering equations within chapters without using the chapter number

Unfortunately, I'm running into the same problem for a couple of times now. I can't find the answer anywhere on this forum, so that is why I decided to post the question. What I am trying to do right ...
0
votes
0answers
35 views

How to write a system of equations in sharelatex.com?

Every search for system of equations that I put on that site will break and not render properly.
1
vote
3answers
39 views

\IEEEeqnarraymulticol and long equations

I am trying to set a long equation using IEEEeqnarray and \IEEEeqnarraymulticol. A simple example is below. \documentclass[12pt]{article} \usepackage{amsmath} \usepackage{amsthm} \usepackage{amssymb} ...
1
vote
1answer
42 views

Local equation numbering inside proofs

According to the question asked here and a possible suggestion to the problem which equations should be numbered given here I want to ask following question; I find it a good solution to number all ...
2
votes
1answer
29 views

How to make the distance between two rows larger in array?

I found a mathematical formula in mathdesign document, it looks good and elegant When I try to type it as it looks, what I got is always not as good as origin. The code I use is ...
3
votes
2answers
42 views

Non-continuous Equation Counters (increment per equation type)

I'm trying to have two separate equation counters, one for TypeA equations and another of TypeB equations. They shouldn't share a counter, but pick up the counter from whichever type they are within. ...
0
votes
0answers
8 views

how to refer to an equation so that its label appears with mathtools? [duplicate]

I am using showonlyrefs=true with mathtools, so only references with refeq actually appear in the document. However, there is one case in which I want to have an equation include a (x.y) label, even ...
1
vote
0answers
11 views

Locally reduce space between equation and qed / placement of qed [duplicate]

If (using amsthm) I have a proof which ends on an equation, and after that some text goes on, I have something like: text / (bit of space) / equation / (bit of space which looks huge because there ...
1
vote
1answer
52 views

Adding a equation number to a matrix

I do have a matrix but I can't add a reference number for it as shown in read in the photo below .. any help? \[ A= \begin{pmatrix} 0.3 & 0.4 & 0.3 & 0.0 \\ 0.4 & 0.3 ...
3
votes
1answer
52 views

setlength is not working (distance between equations)

First of all I would like to emphasise that I have read all the questions about this topic with no solution to my problem. I will write all that I have before \begin{document} just to make sure the ...
2
votes
2answers
34 views

How to center an index or variable under an expression or word in math-mode

How can I get the the term shown in the picture: $\underline{x_a}$ should be centered under max. What I know is the structure below, but this is not what I am looking for: $max_{\atop ...
3
votes
1answer
61 views

\neq prints as '='

When I try \neq the output looks like =. I found a similar problem - \neq (not equal) command does not work anymore. Doesn't look like my case (see below for details), and don't know how to follow the ...
2
votes
2answers
42 views

How to insert words into equation numbering

I would like to produce equations that have numbers on the right hand side in the style of (eqn 1) rather (1). How would I do this, presumably using a user defined command, but I am having trouble ...
1
vote
2answers
28 views

Equation on multiple line [duplicate]

I have a mathematical expression, I try to write it in multiple line. I tried: multline, equation + split, align .. . $\text{max} \left ...
1
vote
1answer
33 views

How to refer back to equations [duplicate]

I am using \begin{equation} \end{equation} to number my equations in my text. But I normally mention these equations in the further text. E.g., In equation 3 .... But if I change the former equation ...
1
vote
1answer
40 views

How to align multiple equation using tcolorbox in latex enviroment for Rmarkdown

I have the following latex inside Rmarkdown: \begin{tcolorbox} \begin{equation} \sigma = \beta_{0} \label{eq:Model0} \end ...
1
vote
3answers
66 views

Two equations in one line

I have a problem how can I write these two equations in a same row: ∀i,j 1≤i,j≤n and cij = ∑ aikbkj Thank you
8
votes
4answers
347 views

Nice display of proof steps without eqnarray

This is a follow-up question to: Is eqnarray really obsolete? The background is that I want to follow the general advice to avoid eqnarray. However, while working on old documents still containing ...
2
votes
2answers
48 views

Conditional equations with with one curly bracket in LaTex?

How would I code something like this I've got the code \begin{equation} L = \begin{cases} 1 & \text{if $i = j$ and $deg_j \neq 0 $} \\ stuff & ...
6
votes
3answers
81 views

How to align equations in two columns?

Well, my problem is I'm trying to find a way to write many equations and divide these into columns as you would when writing on paper, cut in some part and continue. I have achieved almost using the ...
1
vote
1answer
62 views

Left align text in equation environment (no use of align environment)

I understand that you can left-align text using \intertext{...} inside \begin{align}...\end{align} environment, e.g. this answer. Is it possible to do the same but inside ...
4
votes
1answer
44 views

Breaking equations with different alignments

Suppose I have an equation which is too long for one line and I would like to split it over two lines. However, I would like the first line to be left-aligned and the second to be right-aligned w.r.t. ...
2
votes
2answers
80 views

Align 2 (multiple) element in same equation

I have a lot of equations which are too big to fit in a line, like this: So basically I have to align '=' for a set of equations and '+' inside the equation when it enters a new line. I'm trying ...
3
votes
1answer
45 views

How to add a footnote to an equation number?

I would like to add a footnote to an equation number. For example, it should look like: (This figure is taken from MS word.) Does anyone know how to do this in latex? I have tried the following ...
4
votes
1answer
91 views

Remove jumping of equation between slides

How can i remove jumping of equation between slides? I would like that the \leq, \geq are on both slides at the same position even if the variables change. \documentclass{beamer} ...
2
votes
2answers
29 views

Alignment of two equations

How can i make that the units are right under the corresponding term? \documentclass[11pt,a4paper]{article} \usepackage[utf8]{inputenc} \usepackage[T1]{fontenc} \usepackage[ngerman]{babel} ...
1
vote
1answer
28 views

Error when using align ''Missing } inserted. <inserted text> } l.47 \end{align}''

I get ''Missing } inserted. } l.47 \end{align}'' when i'm using the align function to align multiple equations. The code works if i remove \begin{align} , \end{align} and the & symbols before ...
1
vote
3answers
37 views

Can I give equations the same number if they are in different chapters?

I have a document with several chapters. When I label the equations I get the chapter number and the equation label. Am I able to label an equation in a different chapter with the same label? e.g. ...
1
vote
1answer
38 views

lineno skips some lines containing equation environments

I am using TeXworks 0.5 r.1350 (Debian). My tex source is \documentclass[a4paper,11pt]{article} \usepackage{amsmath} % needed to get the command equation* to work \usepackage[a4paper]{geometry} % ...
3
votes
3answers
80 views

Temporarily Change Equation Margin

Let's say I have a document with a narrow text width and lots of margin to spare. If I had a particularly long equation that failed to fit into the given width, the general solution would be to break ...
1
vote
1answer
31 views

Align a cases equation with another equation vertically on the same line

I am using the following to align the two equations. However, they are not vertically on the same level. How should I fix it? \documentclass{article} \usepackage{amsmath} \begin{document} ...
3
votes
1answer
40 views

Make equation readable using align or multiline

i am at the moment trying to make this equation more readable by splitting it but can't seem to it using the mentioned packages, i tried using dmath but that messed up other parts of the equations.. ...
1
vote
2answers
211 views

How to write two small equations in the same line?

I am trying to write equations x=a and x=b in the same line. \begin{eqnarray} \end{eqnarray} does not provide the solution. Kindly help me.
5
votes
3answers
224 views

Cannot split equation

I do not seem to be able to split this very long equation. I've tried multline, align, dmath, split and a few other possibilities but none of them have worked; it might be a stupid mistake, but I ...
3
votes
1answer
26 views

Special full stop with subequations

With this code: Si scriverà, pertanto: \begin{subequations} \label{eq:laplace-2} \begin{align} & Z (s^2 M + s C_s + K_s) = Z_u (s C_s + K_s)\\ & Z_u (s^2 m + s C_s + K_s + K_t) = ...
1
vote
1answer
54 views

Undefined control sequence error \end{split} [closed]

I tried to split an equation, such that it alligns under the = sign. I get an error message using this code. Could someone tell me what's wrong? Undefined control sequence. <argument> ...
4
votes
1answer
41 views

Need to break the 2nd line of the equation

% preamble \newcommand{\wa}{\mathbf{w}_a^H} \newcommand{\ga}{\mathbf{g}_{a_k}} \newcommand{\fa}{\mathbf{f}_{a_p}} \newcommand{\fak}{\mathbf{\overline{f}}_{a_k}} ...
5
votes
2answers
143 views

Dashed version of \boxed

Is there an easy way of putting an equation inside a dashed box? Ideally similar to \boxed from amsmath. The output should look something like this:
1
vote
1answer
57 views

equations arrangment

\documentclass[12pt, letterpaper]{article} \usepackage[a4paper,top=1 in,bottom=1 in,left=0.7 in,right=0.7 in]{geometry} \usepackage[utf8]{inputenc} \usepackage[misc]{ifsym} \usepackage{amsmath} ...