{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
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2answers
55 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
65 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
130 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
124 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
728 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
77 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
450 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) ...
2
votes
1answer
49 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
109 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
245 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
647 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 ...
2
votes
5answers
113 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
58 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
68 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
47 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 ...
3
votes
2answers
52 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
337 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
137 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
89 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
75 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
69 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
372 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
83 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
47 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
68 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
36 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
393 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
68 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
932 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
83 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
64 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
202 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 ...
2
votes
1answer
73 views

Using IEEEeqnarray environment in multiline equation

I am trying to get my equation $\begin{equation}\label{form explicitely} F_{\mathfrak{B}}(x,y)=\frac{((t^3-2t^2p+t(q+p^2)+r-pq)}{f^2}x^3+ \frac{((-3t^2+4tp- (p^2+q))}{f}x^2y+(3t-2p)xy^2-fy^3 ...
7
votes
1answer
356 views

Changing font size in equations changes superscript size in text (LATeX)

I used \DeclareMathSizes{12}{20}{14}{10} to make my equations larger than the default output of LATeX (the parameters mean, as far as I understand, {font size}{equation regular text size}{equation ...
1
vote
1answer
82 views

Force equation number to be right aligned

I'm trying to typeset some basic equations with proper numbering. I simply want a single equation to have a right aligned number in the two column environment that I'm using. I tried three approaches, ...
0
votes
0answers
16 views

Is there a way to change behaviour of a (math)command depending on the display style? [duplicate]

I want to define a command that changes behaviour depending on weather it is written in inline or disply mode. For example I want to define \backlim, such that it prints \lim_\leftarrow when used in ...
1
vote
2answers
75 views

Equation number on wrong line

Hi my equations produce their numbers on the following line as opposed to the same line. Here's an example \documentclass{article} \usepackage{amsmath} \begin{document} \begin{equation}$$ ...
3
votes
1answer
108 views

How to customize numbering in IEEEeqnarraybox?

I want a equation like this Code is below But now I can't number equations like the above as without using \cdot and (1) etc. manually. I'm so confused. Please help. Thank you. ...
1
vote
0answers
99 views

Numbering of equations in chemfig

This might be a stupid question, but how do I number my equations in chemfig? I've drawn this rather complicated equation in chemfig, but I have no idea how to number it. I was hoping to have it ...
0
votes
1answer
48 views

Equation with note and tag

Given the following set of equations as an example: `... \begin{align} x &= y^2 + 3 \\ y + 3 &= 11 \end{align}` The equations will be center aligned with respect to the "=" sign and ...
2
votes
3answers
113 views

Customize equation numbering for Equation environment?

I want to manually label equation number ? For example I want to label this equation 3.1 instead of (1) which automatically pops up. Is it also possible in split environment as well or not ? ...
3
votes
1answer
75 views

Equation causes overfull hbox

I have the following code, which causes an overfull line. I don't know how to fix this. Any ideas? \documentclass{elsarticle} \usepackage[math-style=TeX]{unicode-math} \usepackage{amsmath} ...
1
vote
0answers
97 views

how to generate Mathematica code into more-appealing LaTeX code?

Subscript[R, c] (Subscript[m, d] (g+Overscript[y, ¨]) sin(Subscript[\[Alpha], c]+Subscript[\[Theta], 1])+Subscript[k, d] cos(Subscript[\[Alpha], c]+Subscript[\[Theta], 1]) (Subscript[d, c] ...
0
votes
1answer
108 views

How to insert mathematical formula /equation in Zotero's note?

I've been exploring several reference manager by now and ends up using Zotero, because it's simplicity. previously i had mostly been using Citavi, Citavi had this feature of storing mathematical ...
3
votes
1answer
48 views

Number equations like subsections

I would like for equations to share the same counter as subsections. For example if my document is: \documentclass{article} \begin{document} \section{A} \begin{equation} 1+1=2 \end{equation} ...
1
vote
1answer
57 views

Numbered equations with additional text part 2

I would like to have numerated equations with some additional text added, where the numbering automatically increases for any next equation, with the possibility to add a different text for any ...
9
votes
5answers
637 views

Mathematica equations to LaTeX but equation is too long, how to split it?

I am new user of LaTeX. I have a problem of splitting long equation which I generate by Mathematica. I tried to use \\, multiline, and split commands but it gives error. Is there way to export ...