{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.

learn more… | top users | synonyms

0
votes
1answer
63 views

Labelling aligned equations with text

I have an align environment in which the equations are numbered on the left. Can I add notes on the right (e.g. to explain where each equation comes from)?
2
votes
4answers
94 views

multi-column row in align environment

I would like to be able to use multicolumn inside an align environment, much like we can do in a tabular environment MWE: \documentclass{article} \usepackage{amsmath} \begin{document} \begin{align} ...
4
votes
3answers
67 views

Align environment with blank left side in the first line

Is it possible to use the align environment (or something similar) to typeset something like the following (nonesense) example with correct spacing? |a - c| < |a - b| + |b - c| What I want: ...
0
votes
1answer
39 views

left alignment of formulas

I am going to write some equation in an appendix for my report. I just want to set my equation in this part to the left. I used the following code, but it doesn't work. \begin{flalign*} ...
2
votes
1answer
79 views

How to insert an un-aligned equation inside an aligned equation block?

Here is a block of LaTeX that contains an un-aligned equation between 2 aligned equation blocks. \begin{gather*} \begin{align*} a &= b (c + d)&\\ &= bc + bd& ...
4
votes
1answer
43 views

Doublespacing a Formula Displays

I am trying to achieve what is written in here: Equations and Double Spacing However, my "larger" displayed equations and aligned environments still seem to have added space above. ...
2
votes
2answers
73 views

aligning to the left

The following is the script I used. \begin{align*} (a,b):=\{x:a\prec x\prec b\}\\ (a,b]:=\{x:a\prec x\preceq b\}\cdots\text{if $b$ is the largest element of $X$} \end{align*} But, I want the ...
2
votes
2answers
81 views

Enumerating the align environment

Consider the following MWE: \documentclass{article} \usepackage{amsmath} \begin{document} \setcounter{equation}{42} \begin{align} a & = b + c \label{label1} \\ ...
6
votes
2answers
45 views

unable to label a line in \align* environment with tag being a matrix

I try to do this \begin{align*} \label{labelname}\tag{$\begin{smallmatrix}0\\1\end{smallmatrix}$}a=b\\ c=d \end{align*} But it does not allow me to add the label and pops up an error message saying ...
1
vote
1answer
119 views

Why can't I vertically align these two matrices?

Why won't these matrices become left-aligned? \documentclass[11pt,a4paper,oneside]{report} \usepackage[pdftex]{graphicx} \usepackage[T1]{fontenc} \usepackage{fouriernc} \usepackage{mathtools} ...
3
votes
2answers
96 views

Numbering and aligning an equation with multiple columns

I search a way to align an equation with multiple columns where the following criteria should be met: The equation tag should be in the last line The equal signs should be centered and aligned ...
2
votes
1answer
31 views

different alignment on some lines of an align* envirnoment

I would like to typeset a set of equations, where a bunch of them a short (fit on one line) and one of them is long. I would like it to look something like the output of the following: ...
4
votes
3answers
280 views

Align in Substack

\sum_{\substack{n=1\\n\neq i}}^N Using \substack to add multiple lines as subscripts of a sum does not make them aligned on the equal / not equal symbol. I found some answers to this problem, like ...
0
votes
0answers
21 views

equation numbering in align without parentheses [duplicate]

How can I number equation without parentheses in tags? In other word when I type: \begin{align} my formul \end{align} see in pdf: my formul .1
2
votes
1answer
58 views

Use of parenthesis/curly bracket in split environment: Error for curly bracket on opposite sides of \\ [duplicate]

Any help is most appreciated. Thanks! \documentclass{article} \usepackage{amsmath} \usepackage{mathtool} \begin{document} \begin{align} \begin{split} & v \cdot \left\{ Ax + b \\ & Cx - d ...
2
votes
3answers
129 views

why is this equation not left aligned?

I wonder why all the multilines of the equation are not left aligned? I tried to use align instead but the equation got too long and I could not manage to break it. ...
9
votes
2answers
261 views

how can I align limits at “lim”?

I am trying to align several limit expressions at varying x-values. It seems that align treats the "limit" portion together with its subscript as an entire object, then aligns these limits, which ...
3
votes
2answers
73 views

Alignment inside the \align enviroment-horizontally and vertically

Is it possible to make both expressions for omega's aligned with one another and do the same for the coefficients a,b,r and d,c,t? I tried to align them manually by using center but it does not work. ...
5
votes
2answers
121 views

How may I align the equal signs of a multline equation and another equation that follows it?

\documentclass[11pt,a4paper]{article} \usepackage{blindtext} \usepackage{amsmath} \begin{document} \begin{multline*} \epsilon(r_1,...,r_n)\\= sgn\prod_{\substack{1 \leq i<j \leq ...
5
votes
3answers
104 views

How to align contents within table cells vertically?

Sorry for opening up another thread when there are so many already, but I can't find the correct solution to this right now. I would like to align the contents of the third column (the parts put in ...
6
votes
2answers
162 views

Align equations over multiple sections

Is there a way to make the math mode "align" work over multiple sections? Here is the code example: section*{Polynomials} Do the following polynomial devisions \begin{align} &(x^7 - x^4 - 21x^2 + ...
4
votes
1answer
81 views

Two Minipages, two times itemize - how to correct alignment

I wanted to use a minipage to reduce the size of my itemize list \documentclass{article} \begin{document} \begin{figure}[!htbp] \begin{minipage}[b]{0.4\textwidth} \begin{itemize} \item ...
2
votes
1answer
35 views

I want to left-align the following equation. I don't want that to be centred [duplicate]

\documentclass[10pt]{article} \usepackage{amsmath} \begin{document} \begin{equation*} \epsilon(\lambda_1,...,\lambda_n)=sgn\prod_{\substack{r=s}}(\lambda_s-\lambda_r). \end{equation*} \end{document} ...
0
votes
0answers
19 views

Multiline equations within parentheses [duplicate]

I have two equations which need to be broken into multiple lines. One of the equations has a coeficiente factored out, so that it is of the form X = A(...very long...). The other does not. The ...
7
votes
2answers
274 views

How to split text within align

The text is too long and would like to split it in two: Any help please! \documentclass{article} \usepackage{amsmath} \begin{document} \begin{flalign*} \textit{K}^{k,r}_{j}& : \text{The ...
2
votes
1answer
94 views

Split numbered equation over multiple pages

I am writing long equations and each equation has to jump to a new page. I'm using \begin{equation} \begin{split} ............ \end{split} \end{equation} I've looked , but the only way I found , ...
2
votes
1answer
48 views

Equation Alignment!

I am having a hard time doing this format. Does anyone know how to do this? It will be a big help if anyone does. Thank you so much. This is what I did: \documentclass{article} \begin{document} ...
4
votes
2answers
147 views

centered text/equations inside align environment

is there a way to insert a centered line of text or mathematics inside an align-environment? For example, in the code below, I'd like to have the \vdots between the equations above and below ...
3
votes
2answers
79 views

Master label and sublabels for an equation with multiple lines?

Is it possible to label an optimization problem with a master label, as well as to label each line with a sublabel? For example, I want to label the optimization problem as (AP), but I also want to ...
1
vote
1answer
128 views

alignment problem with multicolumn in table (with dcolumn)

According to this question One header for all subtables: Correct arranging of Columns I am creating a table. Everything works fine except of two things: 1) When I use multicolumn over multiple columns ...
0
votes
0answers
61 views

\newenvironment does not work

I have created a new environment using this commands: \newenvironment{eqs} {\begin{subequations}\begin{align}} {\end{align}\end{subequations} } I would like to combine subequations and ...
3
votes
1answer
62 views

How can I get aligned equations not to be spoiled by an item?

Is it possible to use itemize between align? For instance one wants to list some equations with previous explanations following an item, but one wants the explanations not to break the align ...
5
votes
0answers
65 views

alignment problem with bold (negative) numbers

I am trying to create a table containing a correlation matrix. I marked the significant numbers bold and insignificant are just normal. Anyhow, all boldifyed numbers are aligned differently than the ...
4
votes
2answers
103 views

Alignment Problem in Table environment

Regarding to the following question Problem with subcaptions in subtables I created the following. There appears three problems: in the header starting from "Mean" to "Max." The alignment seems not to ...
3
votes
1answer
198 views

Adding a label for an equation array on TeXstudio

I need to create a label for an equation group in TeXstudio such as : \begin{align} \label(myequations) eq1 \label(myequ1) eq2 \label(myequ2) eq3 \label(myequ3) \end{align} ...
1
vote
1answer
80 views

How to align numbering for equations

I can't seem to align the numberings on my equations. If anyone can help that would great! Here are my codes: \begin{multialign} \item 4x - 2 &< 3 && \\ 4x - 2 + 2 &< 3+2 ...
5
votes
3answers
157 views

align with text

I have some equations into the aligning environment and i want below them to write something. But in the same time also want those to be aligned. In particular Imagine that I want or i could do this ...
4
votes
3answers
194 views

Align without display math?

Is it possible to use the align environment without the display math? For example, I would like \sum to look as if it were inline. The solution given here does not work, insofar as the summation ...
1
vote
0answers
270 views

Cannot align legend's text in plots using tikzpicture package

I'm trying to align the text (text + $math$) within the legend in my pgfplot. Despite I put the "legend cell align=left", the text still is centred. Any guess? \documentclass[]{article} ...
2
votes
1answer
40 views

aligning equations with a tag

\documentclass{article} \usepackage[a4paper, total={6in, 8in}]{geometry} \usepackage[utf8]{inputenc} \usepackage[T1]{fontenc} \usepackage{fourier} \usepackage{mathtools} \usepackage{amsmath} ...
4
votes
3answers
198 views

How do I align these equations?

$\frac{dP}{dr}=\frac{-\Big(P+\rho (P)c^2 \Big)} {2} \frac {d\nu} {dr}\]$\\ \newline $$\Rightarrow d\nu = \frac {-2dP} {P+\rho (P) c^2}$$\\ \bigskip \newline $$ \nu (r) = - \int_{0}^{P(r)} \frac ...
2
votes
1answer
59 views

Multiple alignments in align environment

My MWE: \documentclass{report} \usepackage{amsmath} \begin{document} \begin{align} &u = \frac{1}{\theta_{2,3}} \left [ -z_1 - \left ( c_2 + \frac{\epsilon}{2} \right )z_2 - ...
3
votes
2answers
68 views

Multiple alignments within set of equations

My MWE: \documentclass{report} \usepackage{amsmath} \begin{document} The partial derivatives are given by: \begin{subequations} \begin{align} \frac{\partial \beta_{2,1}}{\partial x_1} &= ...
2
votes
0answers
53 views

Why does \makesavenoteenv not work with align?

Putting \usepackage{footnote} \makesavenoteenv{align} into the preamble results in the following error: \end{align*} Your command was ignored. Type I <command> <return> to replace ...
0
votes
0answers
19 views

how to make aligned equations in multline? [duplicate]

\begin{multline}\label{eq:bgbb2} <br> L(\alpha,\beta,\gamma\delta|x,t_x,n) = \int_{0}^{1}L(p,\theta|x,t_x,n)f(p|\alpha,\beta)f(\theta|\gamma,\delta)dpd\theta \\ ...
2
votes
1answer
140 views

aligned multi-line equation with intertext and block-wise numbering

I try to reproduce the output that is generated by: \begin{equation} \begin{aligned} (x-x_1)^2 + (y-y_1)^2 & = r_1^2 \\ (x-x_2)^2 + (y-y_2)^2 & = r_2^2 \\ (x-x_3)^2 + ...
1
vote
2answers
70 views

unable to left align the equations

I see many example about aligning a set of equations to the left, but none them works for me. The set looks like \usepackage{amsmath} .... \begin{equation} \begin{flalign} A_{l-side} &= 1+2 \\ ...
5
votes
3answers
245 views

Two text lines in `flalign` environment

I want to achieve what the picture shows below. Basically, I want those two very long text lines to split into two lines shown below. My major problem is that if I keep the text in one line in ...
4
votes
3answers
145 views

Horizontal alignment of equation and text

I want to make a list of Quantum Mechanics formula like the format of the following picture. But I am confused about how to make the equations align to the left while the text to the right. Usually, ...
33
votes
2answers
780 views

How to number the letters of a sentence?

I need to number the letters of a sentence consecutively. Every letter should have the corresponding small number centered below it (see image below). Does anybody know how to do this? I tried ...