{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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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 ...
8
votes
1answer
8k views

Left align (to the page) displayed math

How can I left align the display math environment (either $$ or \[)? I keep running into people asking about the align environment; but I just want to change displayed math from center to left align ...
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 ...
4
votes
2answers
244 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
3
votes
1answer
102 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 ...
67
votes
5answers
65k views

eqnarray vs align

I want to include a list of related equations, say, for a proof, in my LaTeX document. As far as I know, I have two good options, eqnarray and align. What is the difference between them, and how do I ...
1
vote
5answers
98 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 ...
16
votes
2answers
13k views

One column equation in twocolumn document class

I am writing a paper (revtex4-1, reprint documentclass which I believe uses twocolumn) and need to have a long equation that needs to break the two column format. I've seen answers to this question ...
2
votes
1answer
48 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,} ...
6
votes
2answers
606 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
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
1answer
63 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} ...
0
votes
1answer
132 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.
5
votes
2answers
333 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 ...
3
votes
4answers
83 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. ...
8
votes
1answer
3k views

LaTeX in CorelDRAW

What is a good way to get LaTeX formulas into CorelDRAW figures? I will provide a solution below, based on a rather old macro adapted to work on 64 bit systems as well as 32 bit - it works well, but ...
5
votes
1answer
70 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
62 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
356 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 ...
20
votes
2answers
2k views

Typesetting Right-to-Left math

UPDATE: I've managed to produce something that is aesthetically correct, however with a lot of "hardcoding" and trial and error to manually measure my spaces. Not to mention that I have to write my ...
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 : ...
6
votes
3answers
372 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
1answer
34 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} ...
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
721 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
57 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 ...
7
votes
1answer
294 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 ...
2
votes
1answer
65 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 ...
3
votes
1answer
98 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
1answer
75 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
221 views

Equation signs disappeared

I really hope someone can help me, because I'm soon submitting my master thesis and suddenly this happend: All minus/plus/equal-signs have disappeared from my equations! They have been there all the ...
0
votes
1answer
46 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 ...
1
vote
0answers
89 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 ...
4
votes
3answers
592 views

Left-align all equations in a block

align environment without any explicit alignments points (given by &) right justifies the equations in the block. They can be left justified by putting & at the beginning of each equation. Is ...
4
votes
2answers
2k views

Arrows chemical equations

I want to write the following equation; note the arrow underneath BaSO_4 and the H_2O over the \longrightarrow. Is that possible with the chemist package, which I already use for my chemical ...
3
votes
1answer
66 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} ...
2
votes
3answers
101 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 ? ...
0
votes
1answer
98 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 ...
1
vote
0answers
90 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] ...
1
vote
1answer
117 views

Formatting of equations

I have the following equation: But my professor want it to be like this (photoshoped): He told me, I should use something like "left equation" or so.. I tried the following: \begin{equation*} ...
3
votes
1answer
46 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} ...
9
votes
5answers
608 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 ...
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 ...