{align} is an environment provided by math packages that permits multiple related equations to be aligned at a common reference point, usually a sign of relation. For general questions about aligning document elements, use {horizontal-alignment} or {vertical-alignment} instead.

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2
votes
2answers
40 views

splitting and numbering sentences

I have the following code : \usepackage{amsmath, amsthm} \begin{document} \begin{align} \begin{split} Case 1:\\ \text{5 is a square modulo q and 29 is not a square modulo q ...
1
vote
0answers
37 views

Strange behavior when using brackets in aligned environment [duplicate]

At ran into what at this point seems like a bug to me. When using brackets around a term before the first equality in an aligned environment, the enclosed quantity simply disappears from the output. ...
4
votes
1answer
29 views

Trouble with the size of parentheses and spacing in an `align` environment when using the `mleftright` package

I am having some trouble with the mleftright package. For a particular math paper that I am working on, I created a macro that would allow me to write functional notations whose parentheses ...
3
votes
2answers
210 views

Make formulas start at the same point

I would like to list a few formulas which I have done as following: \documentclass{article} \usepackage{amsmath} \begin{document} \begin{enumerate} \item \textbf{Hommes and in 't Veld AR(1) model:} ...
7
votes
2answers
97 views

Cases alignment and displaystyle for all environments

please consider following "minimal" code: \documentclass{article} \usepackage{amsmath}% http://ctan.org/pkg/amsmath \begin{document}\begin{align*} (p's_y)(z)&=(ps_xs_y)(z)=\\ ...
0
votes
2answers
25 views

Center the middle part of a three part equation in align environment

I have an inequality in a align environment: \documentclass[xcolor={dvipsnames}]{beamer} \usetheme{Warsaw} \usepackage[utf8]{inputenc} \usepackage[frenchb]{babel} \usepackage[T1]{fontenc} ...
2
votes
1answer
34 views

Change fontsize of an array within an align environment

I am trying to label several lines at once in a very long equation. From this question I have come up with the following minimal example: \documentclass{report} \usepackage[onehalfspacing]{setspace} ...
2
votes
2answers
52 views

Horizontal positioning of vertical arrows between lines in an alignment

I'm trying to get a construction like \documentclass{article} \usepackage{amsmath,mathtools} \begin{document} \begin{align*} a &= b \\ &\Downarrow \\ a &= c \end{align*} ...
1
vote
0answers
44 views

Scope or override \pause?

I have some lecture slides with multi-part problems. I would like for the students to be able to see the entire problem laid out, and then fill in the answers step-by-step. This is doable as long as ...
3
votes
2answers
86 views

Somewhat customized “align” environment?

Neither of the two "versions" below gives me what I would like. The first one is somewhat tolerable. However, I would like the two instances of \sum_{(A\,:\,|A|=k)} to be aligned with each other, ...
1
vote
1answer
126 views

Mathematical formula alignment

I am trying to align my formulas and at the end of each formula I want to see number. Since I would like to explain all formulas in my report. However after making following changes, I got so many ...
3
votes
1answer
40 views

Left align three columns in Latex

I have an equation in multiple lines. I want to left-align the equations in three columns. How can I do this in Latex? I am currently using \begin{equation} \begin{aligned} &Column1& ...
2
votes
1answer
54 views

Using “theorem”-like numbering for non-theorem entries

This is perhaps a 2-parter in that 1) I'd like to have certain equations numbered using the theorem counter (and its associated "style") rather than that built into \begin{equation}. Per MWE, equation ...
2
votes
2answers
42 views

Problem with align alignment

I have written the following code: \mathbb{R}^n\times\cdots\times\mathbb{R}^n&\rightarrow \mathbb{R}^m\times\cdots\times\mathbb{R}^m \rightarrow \mathbb{R}\\ (v_1,\cdots,v_k)&\mapsto ...
3
votes
2answers
72 views

Aligning the comments in align mode

I was trying eqnarray to align inequalities but I kept getting the error of missing $ inserts, so I am trying now align, but now I would like to align the comments This is the code ...
4
votes
1answer
47 views

Extra Space Before align* and Not Display Equation

There is an extra space between the section and the align* parts of the page. This does not occur if the equation is simply enclosed in \[...\]. \documentclass{article} \usepackage[fleqn]{amsmath} ...
2
votes
1answer
85 views

Make entire equation sans-serif

So, I'm trying to use something like this: \begin{align*}\mathsf{ a & b & c }\end{align*} Unfortunately, I'm getting weird errors like this: ! Missing } inserted. <inserted text> ...
1
vote
1answer
40 views

aligning equations in latex problem [duplicate]

I am using the amsmath package in latex to align three equations. \begin{align*} &x_{1} - 3x_{2} + 4x_{3} = -4 \\ 3&x_{1} - 7x_{2} + 7x_{3} = -8 \\ -4&x_{1} + 6x_{2} - x_{3} = 7 \\ ...
1
vote
2answers
52 views

How to typeset a “compact” cases environment

What's the proper way to typeset a cases environment in a compact way? I tried the following: \begin{equation*} \setlength{\jot}{0pt} \lambda = \tiny \begin{cases} -8.30767 x^3+702.515 x^2-1905.35 ...
1
vote
0answers
29 views

Separate numbering of cases within align [duplicate]

I have one instance of cases within the align environment, as follows: \documentclass[a4paper]{article} \usepackage{amsmath} \begin{document} \begin{align} f(x) &=1x \\ g(x) &=\begin{cases} 2 ...
1
vote
2answers
40 views

How can I align lines to the right except the first in a multiple line equation?

I have always tried to achieve this but after a few tries decided to skip and concentrate on writing instead of solving it. I am using align environment and trying to align the multiple lined ...
2
votes
1answer
33 views

Left-align equations not working

I am trying to left-align some equations so they line up nicely. I'm using align with [fleqn] per this question and setlength per this question. But it doesn't seem to have worked. I tried the fleqn ...
4
votes
1answer
81 views

Aligning chemical elements in a reaction equation

As pictures tell the issue better than I could I'm just gonna insert a screenshot of the problem right off the bat. My problem is concerning the undesired whitespace between the second column of ...
1
vote
1answer
41 views

How do I remove extra spacing on a new page following an align*?

I have the following code: %... \begin{proof} Let $P=(x_P, y_P, z_P)$ be a fixed point on the plane, $R$ a fixed length, and $X=(x,y,z)$ a variable point such that $XP=R$. As $X$ varies, it is ...
4
votes
1answer
112 views

Column alignment in tikzcd

I am not sure whether this is possible or not. I would like to have some control on the horizontal alignment of columns in tikzcd. In particular I would like to be able to mimic (on some of my ...
5
votes
6answers
148 views

Breaking equations within the align environment

I currently have these two equations, but they are too long to fit on one line: \begin{align*} [((a_0, a_1, a_2)+(b_0, b_1, b_2)) + (c_0, c_1, c_2)] &= [((a_0 + b_0, a_1 ...
1
vote
0answers
53 views

\eqref inside \align with \usepackage[overload]{empeq} [closed]

I want to put\eqref inside \align. For example \documentclass{article} \usepackage[english]{babel} \usepackage{amsmath} \usepackage[overload]{empheq} \begin{document} \begin{equation}\label{eq1} ...
0
votes
1answer
43 views

Aligning text and formulas in an inference table

I have the following 'table': \begin{align} 1.&\gamma &\text{Hyp}\nonumber\\ 2.&\neg \gamma &\text{Hyp}\nonumber\\ 3.&(\gamma\implies(\neg\alpha\implies ...
3
votes
3answers
67 views

\savebox forgets its content across columns inside align

I want to save part of an equation, which is to appear in a single column in a multicolumn align environment. It works as long as I \usebox inside the same column, otherwise it appears blank. Here's ...
2
votes
1answer
46 views

How to manage the position of intertext within align

\begin{equation*} \begin{aligned} E(X) & = \sum_{x=0}^{\infty}x\frac{e^{ - \lambda }\lambda ^x}{x!} \\ & = \sum_{x=0}^{\infty} \frac{e^{ - \lambda }\lambda ^x }{(x-1)!} \\ & = ...
4
votes
1answer
32 views

Align equations which already have aligned answers (alignment-ception)

I'm trying to align equations with already aligned case by case answers in them What I am currently getting is: and what I need is to align all the equals signs throughout the function The ...
3
votes
4answers
100 views

Underbrace across align tabs

When I try using underbrace across alignment tabs, like so \begin{align*} \underbrace{1 && 2 && 3 && 4}_{small} && 5 && 6 && 7 && 8 ...
4
votes
3answers
39 views

getting the equation numbering right using align and a long equation that splits

So I've got a system of equations. One equation is very long. I want them all aligned, but I want the long equation to split over two lines. \begin{align} \theta &= \theta(t-1) -p ...
1
vote
1answer
97 views

Left align text in equation environment (no use of align environment)

I understand that you can left-align text using \intertext{...} inside \begin{align}...\end{align} environment, e.g. this answer. Is it possible to do the same but inside ...
2
votes
2answers
86 views

Align 2 (multiple) element in same equation

I have a lot of equations which are too big to fit in a line, like this: So basically I have to align '=' for a set of equations and '+' inside the equation when it enters a new line. I'm trying ...
3
votes
1answer
80 views

How to automatically dot fill line in Math mode

I need to dot fill line in math mode even in aligned environment. I'm using \makebox[width]{\dotfill} but for presentation accommodations I want that dots reach the end of line. I know that there ...
0
votes
1answer
39 views

The begin align and end align environment [duplicate]

I've just got a, what is, hopefully simple question about the use of the \begin{align} and \end{align} environment delimiters. I have a single equation to write in between such commands. ...
1
vote
1answer
32 views

Align/Array equation - explain the options

I have searched and found a solution to a problem I had here: Horizontal alignment, but now I have a follow-up question (and can't comment there because I have little reputation): The code in the ...
1
vote
1answer
41 views

Error when using align ''Missing } inserted. <inserted text> } l.47 \end{align}''

I get ''Missing } inserted. } l.47 \end{align}'' when i'm using the align function to align multiple equations. The code works if i remove \begin{align} , \end{align} and the & symbols before ...
3
votes
1answer
37 views

Right align a line in align-environment

Searching the website I found plenty of similarly related questions, such as this, this or this one. Nevertheless none of the answers to the questions I found so far addressed precisely this issue. ...
1
vote
1answer
131 views

How to prevent a linebreak before align/equation environment in itemize? [duplicate]

The following code \documentclass{article} \usepackage{amsmath} \begin{document} \begin{itemize} \item \begin{align} a&=b\\ &=d \end{align} \item \begin{equation} a=b\\ =d \end{equation} ...
3
votes
1answer
25 views

Centering text in aligned environment

How can I center the text between the inequalities? ATM it seems that they are right-aligned. \documentclass{article} \usepackage{amsmath} \begin{document} \[ \begin{aligned} 15 ...
4
votes
2answers
38 views

Centering aligned blocks inside an equation

How to centre horizontally a group of aligned blocks, all inside a single numbered block? Below, I'd like to centre the 1st line and the block containing the 2nd and 3rd ones. ...
1
vote
1answer
40 views

Align a cases equation with another equation vertically on the same line

I am using the following to align the two equations. However, they are not vertically on the same level. How should I fix it? \documentclass{article} \usepackage{amsmath} \begin{document} ...
1
vote
3answers
82 views

Underline aligned math addition [duplicate]

I have found several answers to this question. But the answer often lead to modification codes. I wonder if there is simple package for this. I want to align equations and underline or draw a line ...
3
votes
1answer
118 views

How to align matrices on top of each other?

Suppose I have the following situation (don't mind the notations, it's ring theory): \documentclass{article} \usepackage{amsmath} \begin{document} \newcommand{\mymatrix}{\begin{bmatrix} 1 ...
2
votes
1answer
40 views

Negative Spacing - Align Environment

I am writing the following optimization model: \documentclass[preprint,3p,times,onecolumn]{elsarticle} \usepackage[fleqn]{amsmath} \usepackage{mathrsfs} \begin{document} \begin{align} & ...
2
votes
1answer
102 views

Aligning equations in tabular with aligned environment

I am trying to align equations in a tabular environment. Having read that align and align* don't work in tabular, I found this thread: Aligned equations in tables which suggests using the aligned ...
2
votes
2answers
53 views

Vertical alignment of \vdots in an align environment - a shift of \vdots by half the width of “+”

In an align environment, I have a sum of an arbitrary number of terms. I want to use \vdots to display the ellipses indicating the presence of terms that are not displayed. As I am vertically ...
4
votes
2answers
122 views

Equations not aligned properly

I'm trying to align multiple questions below each other. I'm using the following file. \documentclass[11pt]{article} %comments %pdflatex, bibtex, pdflatex, pdflatex ...