{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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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
906 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
947 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
791 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
708 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
820 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
271 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
215 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
299 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 ...
4
votes
2answers
919 views

System of linear equations wobbles

I tried to illustrate how to solve a system of linear equations but I don't come along with the different approaches to position the equations. They are shifted at some slides, e.g. if an arrow is ...
2
votes
1answer
3k views

Beamer color overlay in equation environment

I want to use this overly command <2->\alert<2> inside an equation environment to color some terms. How can I do this?
11
votes
4answers
11k views

How to show two groups of equations side by side: one implies the other?

I would like to show a bunch of equations can imply another bunch of equations, with double right arrow in between. Here are two trials of mine: one is to use another level of math mode to enclose the ...
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 ...
6
votes
1answer
1k views

Proof Split Over Two Pages

I have a proof that should take up only just over half a page; however, when I compile it, only the first few sentences appear in the bottom half of the page where my proof starts, and the rest is ...
2
votes
2answers
621 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
1k 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
247 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 ...
10
votes
2answers
5k 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 ...
7
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 ...
18
votes
1answer
16k 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
650 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 ...
13
votes
2answers
13k 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
7k 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 equations ...
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
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, ...
13
votes
3answers
46k 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 \end{...
6
votes
1answer
11k 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''?
22
votes
2answers
7k 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
3k 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
2k 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
864 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 ...
26
votes
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} \...
7
votes
1answer
24k 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 ...
2
votes
2answers
5k 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 ...