{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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How can I use an align environment flush right?

Is there an option analogous within the align environment to the left align for right align, i.e. fralign. MWE: \documentclass{article} \usepackage[fleqn]{amsmath} % Instead have [freqn]. ...
4
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1answer
54 views

“dec sep align” from pgfplot does not align with the header properly

In my ME below, I am having a problem to get the header align properly with the text. I have looked at the documentation for the pgfplotstable, also from other posts from this forum like that posted ...
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2answers
830 views

Align equations inside tabular

How can I align equations inside tabular? I want to place few lines of equation by side of the picture. But it turns out that I cannot use \& in order to shift equals signs to be one under ...
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3answers
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how to insert multi line equation in the tabular environment?

How can insert multi line equation in the tabular environment? For example see the following code that can show my request. \begin{tabular}{rrr} &a &b\\ &u=\begin{cases} 0;& ...
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2answers
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Confusing missing $ [closed]

Can anyone help with this. I'm not sure at all what I'm doing wrong but i get an error Missing $ inserted. $ on the 2nd line with c)\ The rest of the text works fine and there are ...
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3answers
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Defining a command for amsmath's align environment

I'd like to define a shorthand command for \begin{align*} and \end{align*}. When I write \newcommand{\ba}{\begin{align*}} it works fine. But when I write \newcommand{\ea}{\end{align*}} ...
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How to format Maxwell equations?

Is there a variant of split environment from amsmath package which would allow for two aligned equations in a row? I want to format two pairs of Maxwell equations in two rows and put single equation ...
10
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aligning split equation

I am new to Latex ;) I split my equation like this: \begin{equation} \begin{split} \tilde{m}=P\tilde{M} \\ \quad = K(R^1R^2R^3t) \begin{pmatrix} X \\ Y \\ 0 \\ 1 \end{pmatrix} \\ \quad= ...
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How to align multiple symbols for a long equation?

\documentclass[11pt]{article} \usepackage{xfrac, array, tabu, multirow, graphicx, setspace, dcolumn, tikz} \usepackage[fleqn]{mathtools} %the argument for d specifies the maximum number of decimal ...
8
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2answers
600 views

Aberrant vertical spacing with {align} and friends?

Consider documents with the following preamble: \documentclass[12pt]{article} \usepackage{amsmath} Question #1. Why do we get bad alignment with the following code? \noindent ...
7
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1answer
551 views

Align-environment: Align on the left side

Why doesn't the following code align the two equations in the middle? It does only if I remove the alignment on the left. \begin{align*} &ABC &= ABC - AB\\ &ABCD &= ABC - ...
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Underlining an equation in an align block

I'm trying to set up a system of equations and want to underline the last equation, but can't figure it out. Here's what I have: \begin{alignat*}{4} &F_n &- mg &- F_a\sin 32^\circ &= ...
7
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3answers
308 views

Center a column in align

I have the following type of code in my document: \begin{align*} (-m)+m & \stackrel{\mathrm{Ax 1.1 (i)}}{=} m+(-m)\\ &\stackrel{\mathrm{Ax 1.4}}{=} 0 \\ I want to align on the = ...
6
votes
2answers
139 views

Align images with text without using tables

Problem: I have searched how you can align text without the use of tables using LaTex. What I am after is to align images after each other on one side and text to align to respective image on the ...
6
votes
1answer
156 views

Long formula in align environment

Usually, if I have a very long formula, I will use two lines in the align environment and \qquad to space things out nicely. For example, \begin{align*} % First line \rho\left(\frac{\partial ...
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votes
2answers
179 views

What is the difference between align and equation environment when I only want to display one line of equation?

I am typesetting a physics document, and sometimes I need to type equations of several lines while in most cases I only need to type one-line formula. So is it OK if I always use align environment ...
5
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1answer
331 views

Aligning a split up equation not at equal sign

I currently have the following equation: \begin{align} \begin{split} \left| \Psi \left( t \right) \right\rangle _{I}^{3}&=-\frac{1}{{{\hbar}^{2}}}\int_{0}^{t}{\hat{H}_{1}^{I}\left( t' ...
3
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1answer
454 views

In Lyx, align text inside a float caption

I'm trying to align a legend inside a table caption, so that the colons are vertically aligned. I can do it with the align ambient outside of the caption, but if I use the same code inside the caption ...
3
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1answer
418 views

Align all equal signs in the document

Is there a way to align all the equal signs in all equations all over the document? I write a theses (scrbook) and like all equal signs to line up. At least in a chapter if not possible for the whole ...
3
votes
2answers
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AMS align: Left aligned text/math plus multicolumn align

This question is basically a combination of two previous posts: Adding left aligned text to an equation. and AMS align / Align multiple “=”, too much space (the latter being my own question). What I ...
2
votes
1answer
173 views

$$, \[ \] and equation environment alignment

I'm using scrreprt class and I'm having troubles with different behavior of $$ and \[ \]-written equations and equation environment. The problem is that alignment is not the same: $$ equations are ...
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2answers
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How can I use multline within an align environment?

I've been looking around and I know that there are possibilities to mimic the multline environment within the gather or align environments, or by using multlined but not in a way that I like, I think. ...
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1answer
49 views

Errors by using align

I have the following code, which generates 4 errors (all of the type "bad math environment delimeter") but I don't know why. \listfiles \documentclass[oneside,12pt]{scrartcl} ...
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vote
1answer
492 views

Two columns of equations, aligned and just one number per column

I'm writing a two-column document, and I want to display two sets of large equations floating at the top. Each equation set should be aligned within the same column, and only the two top equations ...
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1answer
107 views

Is it possible to break up an align environment and keep the tab positions? [duplicate]

I'd like to take notes for a math class such that I can typeset a series of equations with the \align environment and make some text notes in between some of the lines. As far as I can tell, though... ...
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1answer
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Using “align” instead of “array” in an array of equations [duplicate]

I want to produce big parenthesis like this: Left brace including several lines in eqnarray How do I do this with align instead of array? I do not want to use eqnarray though. Thanks.
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1answer
161 views

center align equation in ‎\documentclass[11pt,twoside,fleqn]{book}‎

I used the ‎\documentclass[11pt,twoside,fleqn]{book}‎ for set formulas left, but I want to put formulas to center in some cases like original type without [fleqn]. What command do I use? ...
0
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1answer
184 views

Error message because of eqnarray, footnotes, tables or caption?

I know this is not a minimal example, but I have to have this much code, in order to create my error. I had this error already several times and I cannot get rid of it?! I don't know where the problem ...
13
votes
3answers
12k views

columns/alignment with itemize

I'm trying to make alignment points in a list environment. The following code gives me an error, but it almost compiles to what I want, just missing the bullet points. I must be misunderstanding ...
10
votes
3answers
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AMS Split inside AMS Align

I'd like to have multiple lines inside a single align cell like so: \begin{alignat*}{1} = & \begin{split}x+\\ y\end{split} \end{alignat*} But I get an error like: \end{alignat*} \An extra ...
12
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4answers
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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: ...
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Defining `$$$ $$$` to align

I would like to define $$$ \zeta(s) = \dfrac1{1^s} + \dfrac1{2^s} + \cdots $$$ as a short hand for \begin{align} \zeta(s) = \dfrac1{1^s} + \dfrac1{2^s} + \cdots \end{align}` How should I go ...
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Align equation left

Here is my split equation: \documentclass{article} \usepackage{asmath} \begin{document} \begin{equation} \begin{split} a_{ijk} =& \frac {Pr(M_{I} =2 \& M_J=1 \& M_K =1 | I=i , J=j , ...
2
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1answer
293 views

Which one is recommended to split, continue and align a long equation?

In my investigation, the outputs are identical as follows. Version 1: Using aligned. \begin{align*} \framebox[6cm]{Top LHS}\\ \framebox[5cm]{Middle LHS}\\ \framebox[4cm]{Bottom LHS} &= \! ...
13
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1answer
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How can I write multi line equations with alignment in inline math mode?

Is there any way to override the fact that certain environments in LaTeX are automatically "displayed"? One such example is the align* environment. I want to keep my aligned equations inline. So ...
12
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2answers
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In align environment, how can you label some (but not all) of the equations?

I know that the align environment labels all the lines, while the align* environment labels none of the lines. Is there a way to have the align environment label only some of the lines? For example, ...
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2answers
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How to put the QED symbol of a proof at the right place inside align?

When a proof ends with a formula in equation or equation* environment, putting \qedhere after the equation would cause the QED symbol to appear in the right place. I.e. at the end of the line in which ...
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4answers
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Left-aligning specific text in math-mode

I currently have via \documentclass{scrartcl} \KOMAoptions{ fontsize = 10pt , headings = normal , } \usepackage{amsmath} \usepackage{multicol} \usepackage{siunitx} \begin{document} ...
9
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2answers
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\mbox does not draw a box inside align*

\mbox doesn't work inside align*: \begin{document} \usepackage{mhchem} \begin{align*} \ce{K_w} &= \ce{[H3O+][OH^-]} \\ -\log \ce{K_w} &= -\log ( \ce{[H3O+][OH^-]} ) \\ -\log ...
8
votes
1answer
351 views

Ignoring specific ampersand formatting on a specific line of an align block

I want to typeset a number of equations with some alignment constraints, but I want to partially ignore them on certain lines. An example formatted text might look like the following when it's ...
7
votes
2answers
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Alignment across nested aligned environments

I have a list of equations with annotations like the one below: \documentclass{scrartcl} \usepackage{amsmath} \begin{document} \begin{align} aaaa &= 1 &&\text{for $X$} \\ bbbb &= ...
6
votes
1answer
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Using align in beamer with overlays

How can I get the align environment to play nicely with beamer overlays? As a simple example I would like \begin{align*} a = \frac{bc}{c} \end{align*} on the first overlay and then ...
3
votes
1answer
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How can I create a multiline split inside of a radical inside of an array environment?

I have an align like this: \begin{align*} \sigma &= \sqrt{\sum_x \left[ (x-\mu_x)^2\mathbf{f}(x) \right] } = \sqrt{\frac{1}{10}\sum_x (x-\mu_x)^2 } \ &= \sqrt{\frac{1}{10}( (0-.45)^2 ...
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3answers
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Left-justify with align on “=” in align environment

I searched the tex.stackexchange archives for an answer to this question but couldn't find one. I assume it's a common question, however. I often want to align text similar to the poly environment in ...
11
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1answer
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Aligning the right parts in multiple \begin{cases}

Is there an intelligent way to left-align the parts right of & of the two cases environments shown below (if x >= 0, otherwise, if y < 0, otherwise). I wonder if there is a better way than ...
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Centering equations within alignat command

I want to centre the formula inside the equals. So far I have \begin{alignat*}{2} v_2(16)&=\frac{2}{5}[v_3(32)+v_3(8)] &&= 0, \\ v_2(4)&=\frac{2}{5}[v_3(8)+v_3(2)] &&= ...
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2answers
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How to align terms in alignat environment

These are my math equations. To enhance readability, I'd like the third column to be aligned around the + sign; that is, I wish to place some horizontal blank in front of $n\mathbf{A}_0$ (not ...
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2answers
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Why does aligning equations not work here?

\documentclass{minimal} \usepackage{amsmath} \newcommand*{\op}[1]{\operatorname{#1}} \begin{document} \begin{align*} \noalign{$\quad \op{f} * \op{r} = \op{c}_{\op{f}*\op{r}} (x_1,...,x_k) = ...
6
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1answer
206 views

Aligning and centering a lstlisting with two columns on a page

Consider the following code taken from here to produce a fancy listing : % PACKAGES \documentclass[11pt,a4paper]{book} \usepackage[top=1in, bottom=1in, left=1in, right=1in]{geometry} ...
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Enumerate inside align

How can I get an enumerate inside an align environment? I want something like this: %... \begin{enumerate} \item test123 \begin{align*} \item x^2 & \text{ bla}\\ \item x^3 & \text{ bla2}\\ ...