{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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4
votes
1answer
453 views

Numbering sequent proofs like equations

I am trying to reproduce some very old articles for use in an anthology. Some of these articles present certain rules of inference as proofs in sequent calculus, but number them along with equations, ...
6
votes
1answer
5k views

Automatic equation numbering in LyX

I would like to create automatic numbering of equations in LyX. when I entered \renewcommand\[{\begin{equation}} \renewcommand\]{\end{equation}} for the "equation" environment it worked. However, ...
8
votes
2answers
367 views

How do I expand this number into full decimal (non-scientific) notation?

I need to typeset the result of 88.6 to the 53rd power multiplied by 9216. What I need is the full number, as part of a 6 page long equation of how long it would take to walk to the Andromeda Galaxy ...
5
votes
1answer
557 views

Adjust equation numbering indent relative to a \newenvironment

I was working on a new environment for the examples I explain for my lecture notes (fancy environment), but when I create an equation using the equation environment within my newly created example ...
10
votes
2answers
849 views

Horizontal alignment within an equation using Tikz

I am trying to center horizontally the first terms of a system of equations inside the alignat environment. I don't know if Tikz is the right way to go, but as I might have to add some other ...
8
votes
1answer
3k views

How can I allow gather to break between pages? [duplicate]

Possible Duplicate: Custom alignment of columns in align environment MWE: \documentclass{article} \usepackage{lipsum} \usepackage{amsmath} \begin{document} \lipsum[1-4] \lipsum[4] ...
8
votes
3answers
4k views

How to split optimisation problem over two lines?

I have this expression involving minimisation. How do I split it over two lines? The problem is \min seems to be separated from the objective function. breqn does not seem to work, as this is not an ...
5
votes
2answers
963 views

Formatting Equation Numbers

I need the numbers of equations and brackets around to be in bold. Doing like this \usepackage{etoolbox} \pretocmd{\theequation}{\bf}{}{} only the number is produced in bold, how to bold brackets? ...
7
votes
1answer
789 views

colored equation numbers with breqn package?

I was experimenting with the use of breqn for a few unwieldy formulas, but wonder how to maintain the equation number coloring I'd been using, based on the following questions: Changing the apperance ...
9
votes
2answers
423 views

Typesetting a pattern matching equation

I want to typeset an equation for a paper. In the field of computer science we can define an equation that depends upon the form of one of it's arguments. I want to typeset this with LaTeX & ...
2
votes
0answers
66 views

Splitting a long equation while maintaining size of brackets [duplicate]

Possible Duplicate: How to make \left, \right pairs of delimiter work over multiple lines? How can I have this equation: \begin{eqnarray}\nonumber \ln T &=& -\sum\limits_{i=1}^{N} ...
5
votes
1answer
2k views

Change vertical space between numbered formula in LyX

I have inserted serveral (20) Numbered formulas directly behind eachother in LyX 2.0.3. If I export these formulas to the final version in PDF, there is a large vertical space between the formulas. ...
3
votes
2answers
486 views

Equation Spacing in AMSART

I'm having some small amount of inconsistency with my equation spacing when using the amsart class. I have the following: Paragraph 1 text here. \begin{equation} F_n = F_{n - 1} + F_{n - 2} ...
11
votes
1answer
3k views

Describing steps in an equation

I am always describing the steps on how a formula is achieved or describing the underlying Mathematical principles taken to solve a problem in the align environment. But the descriptions are not ...
3
votes
3answers
3k views

An extra dot after section counter while numbering equations

My sections are numbered with a dot after counter. I get it like this \renewcommand{\thesection}{\arabic{section}.} I also need the equations to be numbered within sections and I try to do it like ...
7
votes
2answers
2k views

How to number equations within theorem-like environments

I want to enumerate equations within theorem-like environments. Example: \documentclass[a4paper,10pt]{article} \usepackage{amsmath,amsthm} \newtheorem{theo}{Theorem}[section] % \begin{document} ...
7
votes
2answers
170 views

error in mathematical expression

I type in the code shown below for a displayed formula. However the output is not what it should be. Can you tell me what is the mistake over here? $$ \frac{(1-a)\frac{$q_{f}$}{{$q_{n}$}^a}}{$p_{n}$} ...
3
votes
2answers
2k views

How do I properly display chemical compounds within \equation? (mhchem won't do what I need)

I am trying to programmatically convert a very large number of documents that have chemical compounds represented within math equations. I am converting from some flavor of RUNOFF (I think..it isn't ...
5
votes
1answer
207 views

Centering a group of equations and the usepackage, environments etc?

I am running into trouble for nicely centering a group of equations in a Mathematics paper written in LaTeX. Say, I want to get the following group of equations 1) written one below another, 2) in the ...
2
votes
3answers
237 views

Differents aligns

I have a problem trying to do this: I want to merge text and a two line equation (aligned) in a particular way: \documentclass{article} \usepackage{,mathtools} \begin{document} \begin{equation*} ...
2
votes
1answer
509 views

Latex words within eqnarray are getting emphasized

I have a latex equation within an eqnarray as follows, \begin{eqnarray*}\nonumber f(\xi) = \min \xi\\ where, \forall n_{j} \in N, \xi = \max (\xi_{1}, \xi_{2}, .., \xi_{j})\\ s.t.\\ \forall n_{j} ...
19
votes
1answer
134k views

How to left align a set of equations.

I wanted to left align a set of equations. I've tried the solution provided in aligning to the left. It worked. But, I wanted to have a single equation number for the entire flalign in order to refer ...
4
votes
2answers
4k views

Show the Steps Taken to Solve an Equation

I am new to LaTex and I am trying to type a document where I show the steps I took to solve an equation however I do not know how to do this in LaTex. I am trying to display something like this: ...
16
votes
1answer
29k views

Change the type of equation numbering in document class article [duplicate]

Possible Duplicate: Continuous v. per-chapter/section numbering of figures, tables, and other document elements I have written my thesis in document class 'article' (don't ask me why). Now ...
7
votes
2answers
11k views

Curly braces and nested arrays

I am trying to reproduce the equation of the image below. I am using an array environment to create the first big curly brace. I have tried to nest a second array to produce a second curly brace, but ...
5
votes
1answer
258 views

Label a block or systems of equations with one label [duplicate]

Possible Duplicate: How to get only one vertically centered equation number in align environment with two equations I have a big system of equations which I want to label as one block. I do ...
4
votes
1answer
749 views

Math environments in tables with > and < preamble

I'm trying to put a \begin{align*} and \end{align*} for every entry at columns 2 and 3 of my table. But I'm getting errors that seem to say my environment markers are mismatched. I'm sure I've got my ...
10
votes
1answer
20k 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 ...
7
votes
3answers
6k views

Tagging under an equation using underbrace

I would like to tag two parts of a huge equation using underbraces (and call them, say term A and term B). Later in the text, I want to talk about term A and term B. Is there a way to tag and label ...
11
votes
4answers
7k views

Coding an equation with description

I want to code this equation in LaTeX: I'd like to know how to code the equation and the description below it with a reference as well.
2
votes
1answer
779 views

How to get global equation numbers in scrrprt? [duplicate]

Possible Duplicate: Continuous v. per-chapter/section numbering of figures, tables, and other document elements When I insert an equation in whatever environment I like in my scrrprt ...
4
votes
1answer
8k views

formula transfer to a new line

How I can make a transfer of a long math equation in a new line? I suppose there are at least two methods: manually by hands and adjust math container to do that automatically. Can you show me, please ...
10
votes
3answers
6k views

How to use the command \autoref to implement the same effect when use the command \eqref?

For example, the first equation of Section 1 in a tex file is numbered in the form (1.1), When we use the commands \autoref and \eqref for referring it, the compiled pdf file will show Equation 1.1 ...
3
votes
2answers
2k views

Breaking long equation after a certain left bracket

I am typing a long equation which needs to be broken just after the left bracket and three dots are placed at the end of the left bracket same line. Here is an example, in which, I need the third left ...
49
votes
1answer
28k views

Is it possible to pagebreak aligned equations?

The report I'm writting features a lot of long, multiple lines equations. To reduce visual polution I've been using an aligned environment nested inside equation. This way (unlike just using an align ...
9
votes
2answers
2k views

Avoid addition of spaces when using colorbox in equations

Colorbox adds some spaces when I use it in equations. E.g. in \documentclass[12pt]{article} \usepackage{xcolor} \begin{document} \colorbox{yellow}{${a^2}+b^2=c^2$} ...
3
votes
2answers
3k views

Alignement in columns and spacing between columns of an equations environment

(Too) Long ago, I had some problems with some equation. I wanted them to look like this (this is how they looked in LyX), but when compiled they looked like this: . What botheres me compared to ...
4
votes
1answer
6k views

How to force left alignment in an aligned array of formulas?

So I try \begin{equation}\label{eq2} \left.\begin{aligned} \Phi (z)=-\frac{{\rm 1}}{{\rm 2\pi}{i}} \int _{-\infty }^{+\infty }\frac{N-iT}{x-z} dx ,\\ {\rm \Psi }(z)=-\frac{{\rm 1}}{{\rm 2\pi }{i}} ...
2
votes
1answer
169 views

How to say in tex “missing T = 0” (that would mean there was no such T == 0)? [closed]

I think about trying $T=0$ but it seems kind of wrong because we do not assign but check for value == to... So what is the correct way to say that somewhere there was no such variable (say named T) ...
9
votes
1answer
6k views

Adjust space between displayed equation and the following text

I often have displayed equations in the middle of a paragraph, so that the following text of the equation does not start on a new line but follows with a space. In such situations, I would like to ...
9
votes
1answer
448 views

Spacing issue for newenvironment wrapper of equation environment

If I create a custom environment based on the equation environment, I get a spacing issue: the next line of text after my environment closes doesn't start on the left margin. Example code: ...
4
votes
1answer
2k views

Is it possible to flush left equations using “numcases” or “subnumcases”?

I am wondering if it is possible in LaTeX to flush left equations when using the numcases or subnumcases environment provided by the cases package. Hereafter I include a bit of code to explain the ...
11
votes
1answer
3k views

Coloured equation number (without changing colour of reference using hyperref)

I am working on a file where I am using the package hyperref so that the references to equations are linked and coloured. Here is a MWE: \documentclass{article} \usepackage{amsmath} ...
11
votes
3answers
26k views

Using \gather and \align together

I'm very picky regarding alignment inside my proofs. What's frustrating me right now is that I have some lines that I want to be center-aligned (using \begin{gather}) and others that I wish to align ...
6
votes
2answers
9k views

Argument of align has an extra '}'

Okay, this was compiling just fine yesterday. I've since been making some changes, and now get the following error: ! Argument of \align has an extra }. <inserted text> \par l.85 f(t) = ...
29
votes
3answers
6k views

How to make a standalone document with one equation?

I was surprised to find that standalone package can not compile a document with an equation: \documentclass{standalone} \begin{document} \begin{equation} % not working! F(V, T) = E(V) + D(T) ...
4
votes
4answers
1k views

How can I avoid widows and orphans after displayed equations?

Edit: The original title of this question was "How can I avoid widows and orphans with the geometry package?" However, as egreg pointed out, the geometry package was not the cause of the problem. ...
5
votes
1answer
8k views

How to align right within equation array

Suppose I have something like the following: \begin{eqnarray*} \mathrm{gcd}(x^3 + 6x^2 + 5x + 5, x^3 + 13x^2 + 6x + 3) &=& 102x^2 + 108x + 2 \ \mathrm{with} \ p = 109 \\ \mathrm{gcd}(x^3 ...
3
votes
3answers
1k views

Weird error with eqnarray

The following piece of code \begin{eqnarray*} \expval[\mathcal{N}] &= \frac{\rho_0}{\rho_1} ~, & \var(\mathcal{N}) &= \frac{\rho_0}{\rho_1} + 0.280 \, \frac{\rho_0^2}{\rho_1^2} ~, \\ ...
16
votes
2answers
16k views

Linebreak between \left and \right [duplicate]

Possible Duplicate: How to make \left, \right pairs of delimiter work over multiple lines? I would like to type something like this: \begin{equation} \begin{split} \left( ba ba ba ...