{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
74 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
10k 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} & =...
1
vote
1answer
1k 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
710 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 ...
18
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6answers
3k views

Which equations should be numbered? [closed]

Is the best practice to number all equations, or just those that will be referred to?
26
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4answers
6k 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} \...
5
votes
4answers
1k views

framed equations

I'm aware of possibilities to frame an "important" equation in Latex as the one suggested in mathmode for instance but I thought it would be nice to have a dedicated environment instead of putting ...
6
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3answers
597 views

Uneven vertical spacing displaymath

I would like to ask you why we have uneven vertical skips between the first two and last two vectors, coming from the source: \documentclass{article} \begin{document} \[(a,b,c,d,e,f,g,h)\] \[(a,b,c,d,...
20
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1answer
3k views

Changing the appearance 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 ...
11
votes
3answers
6k 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
101 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}} + frac{21!}{...
6
votes
4answers
4k views

Adding vertical space in a multi-line equation while using IEEEeqnarray

how can I add vertical space between lines in an equation while using IEEEeqnarray?
10
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3answers
348 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 ...
5
votes
3answers
197 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} \newcommand{\...
17
votes
2answers
10k views

Too much space at the top of a beamer block when using multilined math environment

I would like to place two math lines in a beamer block, as two separately centered lines. I know that I could do this using two distinct equation environments, but it would be nicer to use a single ...
3
votes
1answer
6k 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?
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?
5
votes
1answer
966 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 ...
3
votes
1answer
447 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 ...
6
votes
2answers
5k views

Formula out of margin

I got some issues while writing a formula in LaTeX. I have to print this in my document: \textit{P3ACM}: $ \left \langle \left \langle ( 09.00, 18.00 ) , \{ Monday, Tuesday, Wednesday, Thursady, ...
4
votes
5answers
958 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
515 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: \...
23
votes
1answer
26k 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 ...
7
votes
1answer
262 views

Get \ref for equations working like \cite for contiguous references

When referencing a list of equations like see Eq.12, 13, 14 and 15 the \cite command behaviour, which allows a single list of references, should be preferred I think. Is there something equivalent for ...
2
votes
1answer
1k views

Compilation error for discontinuous function definition

I am trying to render the following discontinuous function definition with the LaTeX code: \begin{equation} f(x) = \left\{ \begin{array}{lr} 0,5x & \text{for x} \in [0, 10] \\ ...
2
votes
1answer
420 views

Selective equation numbering in LaTeX [duplicate]

Possible Duplicate: How do I number equations only if they are referred to in the text? I would like to number only the equations I actually refer in a manuscript. I know plenty of ways to do ...
11
votes
3answers
4k views

Why doesn't lineno number a paragraph when it is followed by an indented equation?

While searching for the source of missing line numbers, I realized that paragraphs followed immediately by an equation have no line number, but this is fixed when a space is included, e.g. the ...
8
votes
1answer
2k views

How to make all math equations bold by default?

I am using the bm package which provides the \bm command to boldify equations. However, all my equations need to be bold, and I find using the \bm command tedious. Is there a way to make the ...
9
votes
1answer
1k views

\overbrace split accross multiple lines

Is there a way to split the overbrace so that it appears in two halves over a multi-line equation. Something like /-----------Overbrace Label---- Equation over which to place ------------...
7
votes
2answers
866 views

Centering the align environment on the middle column

I have a set of aligned equations that I would like to provide an \implies for down the left hand side. I used this originally: \begin{align} (x-1)^2 &= -1 \\ x-1 &= \pm i \\ ...
6
votes
1answer
4k views

How to move the whole block of {align*} to the left?

I use {align*} a lot, it seems that the block of {align*} are automatically centered. How could I move the block to the left margin?
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 ...
1
vote
2answers
1k views

Splitting a long equation with a curly brace for the equations in two lines

The equation that I have pasted below is very long. I want the first equation (e34a) after dw^2/dx^2 to be split in two lines with a common curly brace for the equation in two lines. My code is \...
5
votes
2answers
9k views

How can I break a long equation?

Upon compiling, one of my equations extends out of my column width in my final output. Options I tried-- breqn package asks for expl3.sty file which the compiler is unable to locate, (would have ...
4
votes
1answer
810 views

Aligning twice in eqnarray

I do have the following equations wich are aligned on the equal sign. Would it be possible to also align them on the R? \begin{eqnarray} \delta O_{1x} &=& R \, ^E\omega_x \, \delta t \...
31
votes
2answers
22k 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
2answers
346 views

How to add a sequential number on the right hand of a mathematical formula?

I often use $$...$$ to write mathematical formulae. I would like to know how to add a sequential number on the right hand of the formulae. I want them to be right adjusted at the right edge of the ...
0
votes
2answers
583 views

How to draw this figure?

The figure in the attached image contains mathematical formulae, some of which are aligned, also it is rounded by a box, could anyone tell me how to draw that? Thank you very much!
3
votes
1answer
611 views

How to center the tag for a multiline diagram?

I have a diagram, say five lines, the tag (equation numbering) is in the first line, this is not I want. How to force the tag stay in the middle line? Thanks in advance!
1
vote
2answers
2k views

Presenting a long linear regression equation

I am using the following code to have a long linear regression model in my two-column latex file. I have used figure * to avoid the overlapping of the equation with the second column. However, it ...
2
votes
1answer
130 views

Superpose a subscript and the rest of a formula

I have a formula in the equation environment that goes like Foo = \bigcup_{x \in veryveryveryverylongdescription} Bar(x) Because the state space's description is long, the Bar(x) is rejected far ...
2
votes
1answer
362 views

Styling long equations - is there any convention ?

I was wondering if there is any convention for styling long mathematical equation ? I have an exuation which originaly took more than a pagewidth so I splited it using eqnarray however I think it ...
2
votes
3answers
12k views

how to insert multi line equation in the tabular environment?

How can insert multi line equation in the tabular environment? For example see the following code that can show my request. \begin{tabular}{rrr} &a &b\\ &u=\begin{cases} 0;& ...
2
votes
1answer
2k views

How to left justify equations in IEEEeqnarray environment?

I have an document that use both IEEEeqnarray and normal equation environment. The equation is set to be left justified with \usepackage[fleqn]{amsmath} However IEEEeqnarray is centered. How to ...
1
vote
2answers
1k views

Command for paragraph indentation after equations

I want to write two new commands \eqend and \eqcntd so that when I put the command at the end of an equations, The \eqend command puts a "." after the equation and forces the next paragraph to ...
2
votes
1answer
355 views

Increasing spacing between the rows of a table containing both equations and words

Below is some code I am working with. \begin{tabular}{l|m{4.75in}} Equation 1 & $y^{10} + x^{6} + 7x^{3} + 6y^{11}$\\\hline Equation 2 & $\begin{alignedat}{1}(n + 1)^{2}u_{n + 3} &+ (n^{...
0
votes
3answers
949 views

Equation formatting: spacing between characters

I have the following variable: $\omega_{fo}$ which gives [;\omega_{fo};] . The problem with the output is that there is a quite big separation between the letters f and o. Is there a way to make ...
9
votes
4answers
4k views

Word-wrapping page-long polynomials in latex

I know that you can enter multiline equations using the align environment and line breaks (\\). I want to LaTeX multiple polynomials that are very long (up to a page in length, single-spaced and 12 ...
1
vote
1answer
460 views

Eqn numbers in aligned environment

I want to write an equation with multiple cases, but that needs multiple aligned columns within each case. I also want a left brace (of my choosing) on the left. Something like this works: \begin{...
11
votes
2answers
7k views

Horizontal Line Separating Steps in Aligned Equation

I have an equation that I'm trying to display with horizontal line separation. The result I'm looking for is similar to this question, but I'm not sure how to apply it to my equation (below). \begin{...