{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
485 views

How can I align text, a diagram and a set of equations at the top?

I used the right environment + commands but I don't understand why my "1." the top of the diagram and the first line of the equation don't line up. Whatever else follows doesn't have to be aligned but ...
7
votes
2answers
962 views

Equation environment definition

Where is the full definition of the equation environment? I cannot find it in the .cls files. Is this in latex.ltx? Or something?
5
votes
2answers
242 views

Applying breqn in bulk to typeset a math book for my kindle?

I'm trying to typeset this book for my Kindle: http://linear.ups.edu/ Unfortunately some of the equations result in overfull hboxes, and I can't read them. Though I've managed to manually convert ...
7
votes
2answers
4k views

Using the same number for repeated use of the same equation

I'm a LyX beginner so please don't worry about stating the obvious. I'm numbering equations by section in my document. That's working fine. However, when I refer to the same equation later on in the ...
6
votes
2answers
3k views

placement of QED symbol on numbered equation line

This question is both on LaTeX and on mathematics writing style; I hope that's still apropriate here. I have a proof that ends with a (right) numbered equation, and I'm pondering about where to put ...
14
votes
1answer
11k views

Change font size of an align environment

In a document, I'd like to change the font size of a single align environment (not globally throughout the document). What is the proper way to do this? I've been using Preceding paragraph. {\tiny ...
4
votes
1answer
607 views

Left-hand vertical rule applied to flalign environment with automatic pagebreak

I am referring to the coderule environment (see Override \centering to left justify an image) presented earlier by @TH as answer to the following question: Override \centering to left justify an image ...
8
votes
2answers
7k views

How to place and number 3 short equations in one line?

I have 3 short equations which consume much vertical space, if each one is typeset in a separate line. How can I typeset them in one line in a "mathematically correct" way? I do not necessarily need ...
12
votes
4answers
6k views

Aligning plain `align` and `cases`?

The cases environment works very well for enumerating cases within a large left bracket. I'd like to be able to combine it with the align environment so that equals-signs and conditions also line up: ...
6
votes
1answer
1k views

Turn off numbering on unused equations [duplicate]

Possible Duplicate: How do I number equations only if they are referred to in the text? While I am writing a document, I like to use align rather than align* and label them for all ...
22
votes
2answers
15k views

Multi-page equations — problem

I have a very long derivation, that needs to look like: A = B \\ = C \\ = D \\ etc. The derivation spans across many lines. I'm looking for a way to typeset it so that when it reaches the end of ...
1
vote
1answer
2k views

split and intertext

I was wondering if there is a way of introducing intertext within a split environment. I would like to be able to write something like \documentclass{article}[10pt] \usepackage{amsmath, hyperref, ...
11
votes
3answers
30k views

How can I decrease spaces between equations?

\documentclass[12pt,a4paper]{mwrep} \renewcommand\baselinestretch{1.5} \begin{document} \chapter{Test} Text text text text text text text text text text \begin{equation} 1 + 2 + 3 = 6 ...
2
votes
1answer
8k views

Reference to a manually numbered equation

I want my equation's number to be "1'". I have done so through \tag{1'}. But now I don't know how to refer it in my document. Is there a method to call it or numbering equations like 1, 1', 1''?
17
votes
2answers
5k views

Period after math-mode equation

If I write If $x \rightarrow y$, then $y \rightarrow z$. it looks fine. But if the sentence is more involved and formulas longer, I tend to change $...$ to \[...\]. In many cases I think the result ...
6
votes
1answer
2k views

Emulate \hfill in LaTeX equations?

I have a set of equations, where each line consists of a formula and an explanation (info about indices). Now, let's say the structure looks like this: \newcommand{\lw}{\linewidth} \begin{align*} ...
6
votes
5answers
1k views

Breaking up an equation in the align* environment

I'm trying to produce the following formatting without use of all the \quad commands to get the last equation to align nicely across the break up (a(x), b(x), and c(x) are actually really long ...
11
votes
2answers
723 views

Which is the preferred command for equations in LaTeX?

While browsing some of the older questions I learned that I should not use $$. I also learned that I blamed LaTeX for obscure error messages that can be prevented by using \( and \). I started to ...
22
votes
4answers
4k views

Sharing alignment between equations in two different items

In the following minimal example, I have two equations inside an itemize environment, with an item per equations. Each equation is defined in its own equation environment. \documentclass{article} ...
7
votes
1answer
21k views

New line in math mode and indent this line

How can I have a indented new line in math mode? The line after \newindentedline should be indented and start in a new line. \[ X \subset Y \Rightarrow \forall x \in X: x \in Y \newindentedline ...
6
votes
6answers
2k views

An enumeration of equations with aligned equal signs

I'd like to have something like the following: \begin{enumerate} \item $1 + 1 = 2$ \item $1 = 2 - 1$ \end{enumerate} The thing is, I'd also like the equals signs to be aligned. But I'd like the ...
1
vote
2answers
4k views

Narrower columns in align environment

How to set the column width in the align environment. I've got a align environment to demonstrate how to do division by hand so the columns always contain only one number, but the columns are much ...
3
votes
1answer
1k views

Putting equations next to each other when there's room (i.e. math mode in subfigure)

I have a group of multiline formulas (with \begin{split}) of varying heights and widths in a float and there's a lot of unused horizontal space. I'd like the equations to go next to each other when ...
2
votes
1answer
1k views

Equation-reference with cleveref

I am using cleveref, which seems to be working fine, except for my equation references, which are referenced as ??. My equation is: \begin{equation}\label{ex2eqn} Y_{t} = \epsilon_t + 1.8Y_{t-1} + ...
11
votes
4answers
6k views

abovedisplayskip vs abovedisplayshortskip

What is the difference between these two? http://en.wikibooks.org/wiki/TeX/abovedisplayskip http://en.wikibooks.org/wiki/TeX/abovedisplayshortskip I don't know why, but it seems to work unusually. ...
6
votes
2answers
1k views

Equations in the margin: automatic flush right or left?

How can I automatically have equations in a \marginnote aligned flush left or right in a two-sided document? A previous question suggested to make equations flush left by using flalign* and extra ...
2
votes
2answers
58 views

Error in built output

This is difficult for me with all these $ signs. Now, where is the problem in the following MWE? \documentclass{article}% \usepackage{amsmath}% \usepackage{amsfonts}% \usepackage{amssymb}% ...
2
votes
1answer
73 views

Error from equation

Below is a MWE. While the pdf output seems ok, TeXniccenter displays error in the equation line. Not able to understand what's wrong. Happens even when I put in the code to close the curly brackets. ...
9
votes
1answer
8k views

Error in align environment - runaway argument? [duplicate]

Possible Duplicate: Blank lines in align environment \documentclass[12pt,a4paper]{article} \usepackage[version=3]{mhchem} \usepackage{siunitx} \begin{document} \begin{align*} \ce{K_a} ...
8
votes
1answer
3k views

Punctuation in equations

My document will contain a lot of equations, and as usual in that case I would like to use "punctuation" in the equations, like commas, colons, periods/full stops, semicolons, etc. Is there a special ...
1
vote
1answer
917 views

Is it possible to move an equation number in the equation environment? [duplicate]

Possible Duplicate: Changing the apperance of equation numbers with amsmath I would like to move an equation number from its default position a little bit left. (I learned to move an ...
10
votes
2answers
562 views

Automatically number inequalities

I have a long chain of inequalities and I would like to add some explanation for some of the steps under those inequalities. I have seen people do this like \stackrel{(i)}{\leq}. This is what I would ...
5
votes
4answers
346 views

Need help with an equation

I have little trouble with my TeX course. I've already completed all the assignments except one. Yesterday I was up until 4AM and still didn't get it right. Maybe someone could give me some ...
19
votes
1answer
2k views

Changing the apperance of equation numbers with amsmath

For equations in my document, I use the facilities of the amsmath package. In order to make the equation numbers more eye-catching, I want them to be in boldface and a little bit indented to the ...
8
votes
3answers
5k views

Modify \eqref command

I want to edit the \eqref command so that \eqref will produce Eq. (1), for example, instead of (1). Of course, I could define \newcommand{\reff}{Eq.~\eqref} but then I lose my editor's ability to ...
1
vote
2answers
96 views

Something goes wrong after this line but I don't know what

\[ \begin{split} &( \frac{21! \cdot 2^3}{3! 18! \cdot 4^{18}} + \frac{21! \cdot 2^2}{2! 2! 17! \cdot 5^2 \cdot 4^{17}} \\ & + \frac{21! \cdot 2}{4! 16! \cdot 5^4 \cdot 4^{16}} + ...
3
votes
1answer
5k views

Add an equation at the bottom of a two-column article

How can I place a two-column equation (a large equation that does not fit in one column) at the bottom of a page?
10
votes
3answers
342 views

“Escaping” Linux kernel version in latex

I'm trying to include a kernel version info (i.e. \texttt{2.6.40.4-5.fc15.x86_64}) in my LaTeX document. However, LaTeX keeps trying to put it into "math-text" ("Missing $ inserted" and so on). How ...
6
votes
4answers
15k views

Avoid large spaces between text and equations

I use the options \renewcommand{\baselinestretch}{1.25} \setlength{\parskip}{0pt} \setlength{\parindent}{0pt} in the preamble of my document and most of the time the document looks like intended. ...
5
votes
3answers
186 views

What's wrong with my file? Equations aligning right, symbols not showing half way through

OK, this is my first attempt at writing my homework in LaTex, and it's frustrating as hell. First, I defined unit vectors "uv" and bold vectors "bv" like so: \newcommand{\bv}{\mathbf} ...
3
votes
1answer
2k views

fleqn and \eqno together?

It seems that I can not use together fleqn option [to move the equations to the left] and \leqno [to give a hand-made label to equations]. Any suggestions?
4
votes
2answers
7k views

How to enumerate equations?

I want to enumerate equations in the following way: An equation is in the same line as the bullet sign. All equations are align to the left. The number of an equation is align to the right. Any ...
6
votes
1answer
3k views

Of parallel texts, lists and display equations

In previous question concerned about taking notes while reading journal articles, I received an excellent answer proposing the use of parallel, parcolumns, and ledpar packages. However, I have the ...
2
votes
2answers
2k views

How to label an optimization problem with a label such as (P)?

I am trying to write an optimization problem in my document, and for convenience, to define a label to refer to it. I don't want to refer to it as equation (3), which I know how to do, I want to ...
5
votes
1answer
713 views

Right aligned first column in a cases environment

Is there a simple way to obtain a right aligned first column in the cases environment. As far as I can see, mathtools does not add such an option. (This question might be read as a request for ...
8
votes
1answer
768 views

How to centre my display math overfull hboxes?

I have an overfull hbox which I've decided to live with. Actually, several. However, since they're in \[…\], it would look better if they could remain centered, i.e. overflowing the margins equally ...
3
votes
1answer
374 views

Automatically breaking formulas [duplicate]

Possible Duplicate: How can I split an equation over two lines I am trying to compile my papers into Kindle readable PDF files. I can get pretty good outputs by just changing the height and ...
4
votes
2answers
239 views

Determining the height of the current line, especially in displayed math

Is there a way to determine the height of the current line? More specifically, after the hbox comprising the current line is finalized, I'd like to determine it's height (and perhaps also depth) and ...
4
votes
5answers
801 views

Dynamic LaTeX typing and compiling

Is there a program or application that lets me type in the LaTeX language, and on another part of the screen have the compiled output appear? Of course this would be for simple LaTeX code, obviously ...
6
votes
1answer
431 views

Equation tag in twoside-mode outer

At the moment I thinking about the following think. When I use the twoside mode to write a book I want to print the number of the equation outer. I can modify it manually with these two commands: ...