{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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27
votes
1answer
18k views

Multiple Alignment in equations

The following equations need to be aligned in two spots. If I use the align* environment then the second column of alignment is pushed to the right edge of the page. I googled this and saw that ...
6
votes
3answers
802 views

Suggestions for splitting a large fractional equation?

I have seen a number of questions detailing specific means for how to break down a given equation, however I am more interested in the design at this point. That is, I'm not sure what part of this ...
5
votes
2answers
7k views

How do I embed equations in the text?

Let's say I have a text block like this: Within the field of texture analysis, a number of categories of methods exist, and even if we restrict ourselves to statistical methods, a large number ...
3
votes
2answers
3k views

Using achemso package, can't reference equations with \label and \ref

I have a manuscript in preparation with achemso class and package. I have equations in the equation environment, with \label and \ref used to automatically reference them in the text. This was working ...
11
votes
1answer
4k views

Long equation does not page break

I have a series of equations steps, about 20 lines or so. I would like to have it automatically decide page break when necessary, but it resists and always tries to stay in a whole page, rendering the ...
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, ...
3
votes
1answer
185 views

Fixing formatting errors created by long eqnarrays

I'm writing a paper in which I have long eqnarrays, many of them 10 lines or longer. Since TeX seems to not want to page-break these equations, this results in weird formatting, eg pages that have ...
2
votes
1answer
339 views

Enumeration and Label issue with 'List of Equations / Table of Equations'

I finally managed to include a "List of Equations" in my LaTeX-Template. I use the Example from Lev Bishop here on Stackexchange . The code looks like this: \documentclass[english]{article} \...
2
votes
2answers
919 views

How to break inline formulas?

I would like to obtain a split formula like this: Latex example on Wikipedia, that is to say with a sort of tab after the "equals" sign, but for an inline formula (between \( and \) ). Or, as an ...
2
votes
2answers
724 views

How to identify the counter of Equation, Theorem, and Section

I asked before how to identify the counter of Equation and Theorem. A simple answer suggested there is \newtheorem{thm}[equation]{Theorem} A simple variation allows me to identify the Theorem and ...
13
votes
3answers
14k views

Curly brace behind equations

I have the following question: I like to have a big curly brace behind the equations to show that they belong together and have only one equation number. An example without the brace would be \...
22
votes
1answer
319 views

Does \\ in the last line of an array have any effect?

Consider the following example: \begin{array}{l} line 1 \\ line 2 \\ \end{array} Is the \\ in the last line completely optional or are there circumstances under which it has any effect?
4
votes
2answers
205 views

Refer to some equation number in different environments

I hope there is a solution for this. When I refer to some equation I always get something like 37, but I would like to have (37). I could make a new command but the problem is I use many kind of ...
4
votes
2answers
534 views

Text containing math above and below equilibrium sign won't compile (using mhchem)

Why won't this compile? I suspect the math inside the []s are preventing compilation. If so how do I make this work? Thanks. \documentclass[12pt]{article} \usepackage[version=3]{mhchem} \begin{...
6
votes
2answers
5k views

Equation: Using \left brackets inserts unwanted space [duplicate]

Possible Duplicate: Spacing around \left and \right I'm having some problems with writing down an equation in LaTeX. It's only a minor issue regarding appearance, but I'm kind of a ...
2
votes
3answers
10k views

eqnarray with subnumber

When I use eqnarray \begin{eqnarray} eq\\ eq\\ eq\\ \end{eqnarray} this show me eq (1) eq (2) eq (3) In some papers I see this output eq (1a) eq (1b) eq (1c) how I can make this way ?
2
votes
1answer
1k views

How to use \simeq in equation?

I need to use \simeq in an equation, but my code is not workin': \begin{equation}\label{m-step} P(t) \simeq {\sum_{g\in G} {\sum_{f\in F} P(t|f,g) \end{equation} Can you tell me why?
10
votes
2answers
10k views

overset text over equal sign in in an Align environment

Look at the following example \begin{align} & x \\ \overset{\text{some long explanation}}= & foo \\ & = bar \end{align} what is the best way to get the equal signs ...
0
votes
2answers
186 views

How to align an equation reference (1) to the right

I have a centred equation and I'd like to place a (1) on the same line as the equation, but aligned to the right, so that I can refer back to the equation in future. What I have at the moment is: \...
8
votes
1answer
2k views

Multiply defined labels using hyperref

I'm using the stackrel command to indicate important steps in the transformation of formulas. E.g. I would write: A\stackrel{(!)}{=}B so that I can later explain in text why exactly A equals B. I've ...
8
votes
2answers
997 views

How to punctuate multiline equations?

This might be off topic, yet I wouldn't know where else to ask. I want to keep up with the good habit of punctuating displayed equations. For example I know the comma (,) is compulsory in Here, we ...
0
votes
2answers
8k views

Smaller \lbrace than expected [duplicate]

Possible Duplicate: How do I format this equation in LaTeX? \begin{equation} p_{GL}= \lbrace \begin{array}{@{} l c @{}} 0.59p_R+0.3p_G+0.11p_B & \text{p es un pixel del fuego} \\ 0 &...
7
votes
2answers
629 views

How do I format this equation in LaTeX?

I want to write this equation in Latex. Sorry, I don't know what's the specific name of this kind of equation. I know title is so general.
11
votes
2answers
1k views

Custom alignment of columns in align environment

I need to typeset two columns of equations, each row typeset with an equation number to the right as with an ordinary equation. The first column must be centered, and the second column must be left-...
9
votes
2answers
4k views

Reduce white space before and after multicols environment

I wonder how to reduce the vertical space before and after a multicols environment. I have something like below \begin{multicols}{3} { \begin{equation}\sum F_x = 0\end{equation} \begin{...
9
votes
2answers
2k views

Compact collapsing of equations and paragraphs

I want to duplicate the compact look of G. K. Batchelor's fluid dynamics book. Where a paragraph terminates such that the mathematical expression can collapse up into the vertical space of the ...
1
vote
0answers
70 views

Referring to a whole eqnarray [duplicate]

Possible Duplicate: numbering few equations together I've got an eqnarray with multiple equations and a label on it, e.g.: \begin{eqnarray} \hat{\delta}(q_0,\epsilon) & = & {\color{...
21
votes
4answers
10k views

Making a new environment combining equation and split

I'm trying to define a new environment that consists of a split environment inside an equation environment. But I'm getting an error. Here's what I'm doing: \documentclass[a4paper,12pt]{article} \...
1
vote
1answer
7k views

Left-align {align} environment

I have a problem writing my report in LaTeX. I dearly need this block of equations to be aligned on the left side of the page, in fact I want all my equations to be left-aligned and have the option of ...
2
votes
2answers
2k views

How to align if-condition in equation systems

I use this environment for an equation system: \newenvironment{sistema}{\left\lbrace\begin{array}{@{}l@{}}}{\end{array}\right.} But in this way the "if-conditions" are not aligned, as an example: \...
4
votes
1answer
908 views

Redefining the amsmath equation* environment

For the background to this, see my previous question I've been trying to make changes in my LaTeX document so that math displays in black and text in red. Thanks to Stefan Kottwitz and Torbjørn T. I'...
4
votes
2answers
424 views

Making \[ and \] behave as \begin{gather*} and \end{gather*}

I'm trying to redefine \[ and \] so that they behave as \begin{gather*} and end{gather*}. I've been doing this using \DeclareRobustCommmand; however, when I try to compile the following minimal ...
5
votes
1answer
960 views

Equations lining up and labeling

I'm trying to line up multiple equations next to each other and have them all properly labeled. There is another question discussing this exact problem. Unfortunately, all the solutions proposed there ...
18
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 ...
24
votes
1answer
5k views

Flexible equation, align, multline environment

I'm looking for a command (say \foo{}) or pair of commands (say \foos, \fooe) that behave like: equation environment if there is no \\ nor & multline if there is a single \\ align if there are ...
5
votes
2answers
2k views

Adding labels to a formula

I have a diagram like this, explaining a formula: \documentclass{article} \usepackage{stackrel} \begin{document} $\stackrel[e+f+g+h^i]{a^b}{c d}$ \end{document} For this example, I have removed ...
3
votes
2answers
793 views

Amsmath, spacing, left alignment

It was recommended that I include amsmath package to use \tag{} (which works). When I do this however, it somehow changes my predefined spacing; I would like everything to be left aligned, no left ...
13
votes
2answers
3k views

Displaystyle fractions in a system of equations

I'm trying to define an environment to use with equations' systems. So far, the best solution was \newenironment{eqsys}{\begin{equation}\begin{cases}}{\end{cases}\end{equation}} but I noticed that ...
3
votes
1answer
715 views

Trouble with the showkeys package

I am using showkeys package in LaTeX so my labels inside \[ \] math statements show up. Usually \[ \] does not show any numbering, I both want to use \[ \], and numbering, this was the only solution ...
5
votes
3answers
276 views

How to number equations and floating materials by page number

I am somewhat intrigued by question Something like \enumerate, but with custom numbers at each \item, which mentions a book where each question is numbered by its page number and the question number. ...
4
votes
1answer
826 views

Align Environment and Spacing [duplicate]

Possible Duplicate: Blank lines in align environment When I put a blank line between a line of text and the align environment, it will add two blank lines instead. It seems that the align ...
12
votes
3answers
14k views

Which one should I use: \begin{align} or \begin{aligned}?

Which one should I use: \begin{align} or \begin{aligned}?
3
votes
2answers
1k views

“Trackchanges”: respecting the equation environment

I am using trackchanges for monitoring changes in a LaTeX document. I have a problem when compiling a trackchange tag with a equation environment embedded into it. Here is a .tex file which compiles ...
5
votes
2answers
274 views

How to number a set of equations separately from another set?

How can I number a set of equations separately from another set? For example, if we have a file with this contents: \documentclass{report} \usepackage{amsmath} \begin{document} \begin{equation} \...
1
vote
0answers
216 views

Custom Equation Numbering [duplicate]

Possible Duplicate: Label equation with a symbol I wanted to know if there a way to create your own custom markings for equation numbering instead of the automatic numbering. Preferably, I ...
0
votes
1answer
1k views

Long formula alignment inside breqn with tabs?

It aligns the formula to the left-hand-side but I would like to get tabs here-and-there. How can I get tabs inside breqn or is there some package to do it automatically? $ cat test.tex % breqn -pkg ...
11
votes
1answer
3k views

Referencing subequations with cleveref

I try to refer to the parent number of subequations with \cref from the cleveref package. However, I would like to change the output "eq. (...)" into "eqs. (...)" when I refer to parent numbers ...
2
votes
1answer
301 views

Why using pdf we get better results than using dvi?

In How can I auto adjust a equation to appear in the entire page? (Scale to equations, is this exist?) I asked how I could change the equation sizes. Nothing seemed to work. But the problem was I was ...
2
votes
1answer
363 views

Unwanted line breaks after equation tag when using fleqn and leqno

When you use fleqn and leqno and assign your own equations tags with \tag to equations in environments such as gather and align and you assign a tag with a certain length, then there's a line break ...
14
votes
1answer
8k views

How can I position equation numbers always to the left side?

Equations and amsmath environments put equation numbers to the right side by default, the output of \begin{multline} some equation \end{multline} is: equation (number) How can I change it this ...