{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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Aligning mathematical inequalities

I want to align the following at the inequality signs, however it becomes very ugly: \begin{alignat*}{2} ...
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Left align in math environment with every element over each other

I would like the elements in my math environment to be left aligned, so that each element stands over each other, like in the given example below. I have managed it using \hspace and \qquad, but ...
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side-by-side equations, with equation numbers for each

The align command from amsmath allows me to put two equations side-by-side: \begin{align} x = y && a = b \end{align} Unfortunately for my purposes, this shows both equations under one ...
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2answers
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Enumerate formulas

I'm writing a math paper in LaTeX and for math formulas I'm just using $$math formula$$. Is is possible to numerate formulas? Or do I have to you use some specific commands such as align?
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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} ...
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Compact collapsing of equations and paragraphs

I want to duplicate the compact look of G. K. Batchelor's fluid dynamics book. Where a paragraph terminates such that the mathematical expression can collapse up into the vertical space of the ...
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582 views

Numbering a set of horizontally distributed equations

Having different horizontally distributed equations inside an align environment, only lines are numbered, but not individual equations. How can the left equations be numbered using subequations? ...
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Putting equations in \intertext to annotate a proof

I'm trying to typeset a proof with Latex. When I do proofs, I like to alternate between a line of text, to explain each step, and the resulting equation. I also like to have the equations align at the ...
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376 views

How do I avoid eqnarray?

We have been told to avoid eqnarray and use align instead. The output of eqnarray here: \newcommand{\Prob}{\operatorname{\mathbb{P}}} \newcommand{\tp}{\operatorname{tp}} ...
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what is the correct way to typeset equations with a leading indicator/marker on each

I am using \begin{align*} to typeset set of equations. I want to say that the first one applies to case of dimension [T] (time), and the second for [L] (length) and the third for [M] (mass). I want ...
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\left and \right in equation across multiple lines [duplicate]

Possible Duplicate: Left/Right across multiline equation Could someone explain why I can't get the left and right commands to work correctly code: \documentclass{article} ...
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2answers
196 views

How to add equations on top of arrows?

I have the following matrix: $$ \left[ \begin{array}{ccc|c} -4&2&-2&10 \\ 1&0&1&-3 \\ 3&-1&1&-8 \end{array} \right] \sim $$ I want to have something like this: ...
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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 ...
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1answer
968 views

Aligning sub-equations within align

Update: How do I align both the \sum signs and the = signs in the last two equations? I have updated the picture. Original Question: When I use the following code: \begin{equation} \begin{split} ...
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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 ...
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2answers
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overset text over equal sign in in an Align environment

Look at the following example \begin{align} & x \\ \overset{\text{some long explanation}}= & foo \\ & = bar \end{align} what is the best way to get the equal signs ...
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1answer
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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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1answer
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Multiple labels in aligned environment

I would like to format an optimization problem by \documentclass{article} \usepackage{amsmath} \begin{document} We want to label each line separately. The inserted text and formulas have to be ...
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1answer
413 views

How to split and align equations when they are inside an enumerate environment?

How to make the first line of aligned equations sit in the same baseline as the bullet and make the equation left justified? \documentclass{article} \usepackage{amsmath} \begin{document} ...
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1answer
410 views

In align environment, put word at left margin and still align equations with &?

In an align environment, how can I put a word such as "Now" or "And" at the left margin and still align equations on that line and subsequent lines with &?
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Mix align and enumerate

Is it possible to mix align* and enumerate, for example I want to TeX something like this (item a) and d), b) and e) and c) and f) should be aligned) a) x^2 + y^2 = 1 b) a + b = c c) r-x = y+z d) f ...
9
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1answer
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Error in align environment - runaway argument? [duplicate]

Possible Duplicate: Blank lines in align environment \documentclass[12pt,a4paper]{article} \usepackage[version=3]{mhchem} \usepackage{siunitx} \begin{document} \begin{align*} \ce{K_a} ...
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1answer
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\overbrace split accross multiple lines

Is there a way to split the overbrace so that it appears in two halves over a multi-line equation. Something like /-----------Overbrace Label---- Equation over which to place ...
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1answer
170 views

How can I align the terms of this equation nicely?

I have the following alignat segment: \begin{alignat*}{3} \text{max}_{\underline{\lambda}} \text{min}_{\underline{x}} \quad & \underline{c}^T \underline{x} + \underline{\lambda}^T(\underline{d} ...
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122 views

Edit marginpar command through whole document

I'm finding myself doing the following on every margin paragraph: \marginpar{\raggedright \scriptsize <content here>} Is there a way to set the align and script size for every margin ...
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3answers
272 views

Remember position of equal sign from one align environment to the next

As you know, the align-environment puts all positions marked with & (normally the equals sign) exactly beneath each other. I now want to save the position LaTeX calculates for & and use it ...
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1answer
8k views

Vertical space before and after align environment

I am wondering if it is possible in LaTeX to generally adjust the spacing before and after math in the align environment from amsmath. From the Mathmode-guide (by Herbert Voss) I gather that ...
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560 views

amsmath align within list

In the code below, the equation within the itemize environment is too wide for the page, but I don't get an overfull hbox warning (which I find annoying because it's sometimes useful to know exactly ...
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1answer
164 views

Measuring align

From what I read it seems that align environments are processed twice: the first time for measuring, the second time for actual typesetting. My question is whether one can get access to these ...
8
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257 views

How to align five equations on three lines, e.g., 2-2-1, with the last equation centered?

I'm trying to use the alignat environment to arrange five equations on three lines as follows: two equations on the first line, two equations on the second line (aligned with those of the first ...
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4answers
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How to align 'implies that' symbols neatly in equation array

The following is an equation array I have: \begin{eqnarray} \Rightarrow\eta_t &=& \eta_x(\omega \eta-(\varphi_x)_s) + (\varphi_y)_s\notag\\ \Rightarrow\eta_t\,(\varphi_y)_s &=& ...
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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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150 views

Aligning elements in set

How can I create a set with aligned elements? Example: I tried using align but it does not align as nicely as in the example. \begin{align*} &P = \set{ &A &\rightarrow &a | ...
8
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4answers
374 views

Alignment of table entries: the case of negative numbers

Assume that we have a table that has positive and negative entries. My question is simple: how can we have the number alignment to start from the actual number and not the negative (-) symbol? Let ...
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294 views

How can I align at relation symbols within a cases environment?

I have used the following code in LaTeX - \documentclass{article} \usepackage{amssymb,amsmath} \begin{document} \begin{table}[H] \centering \begin{tabular}{c|c} \hline { $X=y+z$} & { ...
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2answers
377 views

Align the length of two nodes inside a matrix

I wanted to create a node with vertical and horizontal parts. So after some searching I found that I can achieve this by using a matrix. I tried the code below: \documentclass{article} ...
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2answers
443 views

Equation number with an apostrophe

I am writing two equations in an align environment: \begin{align} x^2+y^2=z^2, \\ x^2=7, \end{align} I would like the first equation to be labelled with e.g. (1.1) and the second equation to be ...
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Big \sum instead of small \sum in array environment

\begin{align*} \begin{array}{c} \min \: A = \min \: \sum_{i\in B} C_i \\ \\ \min \: D = \min \: \sum_{i\in B} \pi_i \cdot F_i \end{array} \end{align*} See http://i.stack.imgur.com/TFIfY.png for an ...
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How to align piecewise functions?

I have two piecewise functions defined like this: \begin{align*} \left\{ \begin{array}{ll} i = x^2 + y^2 \\ j = a^2 + b^2 \\ \end{array} \right. \\ \left\{ ...
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3answers
502 views

Typesetting a long exact sequence

I am trying to typeset the Mayer-Vietoris sequence (concisely - without the map names above the arrows). Currently I am simply using the AMS align environment with a bunch of \rightarrow, \cdots and a ...
8
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2answers
148 views

DeclareMathOperator and align environment

Minimal working example: \documentclass{article} \usepackage{amsmath} \begin{document} \begin{align} &s + t &\text{foo}\\ &\sin x &\text{bar} \end{align} ...
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Horizontal spacing after equation

I have the following snipped in my LaTeX document: \begin{align} \sum_{j=1}^{m}x_{ij} &= 1 \text{ for } i = 1,2,...,n \sum_{i \in P_k}x_{ij} &\leq 1 \text{ for } j = 1,2,...,m \text{; } ...
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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 ...
8
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3answers
209 views

Align matrices problem

I have an equation of matrices and I want to align the dimensions of the matrices below the equation of matrices. However, I produce something very ugly. Can someone advise how to make it look better ...
8
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2answers
113 views

How to align only some equations in an align environment?

Here's what I got: \begin{align*} P[E_{m}] &= P[m] + P[2m] + P[3m] + \dots \\ &= \frac{1}{\varsigma(s)} \langle m^{-s} + (2m)^{-s} + (3m)^{-s} + \dots \rangle \\ &= \frac{1}{\varsigma(s)} ...
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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)] &&= ...
8
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477 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 ...
8
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2answers
4k views

Label one line in a begin align*

I have the following block of TeX: \begin{align*} m_n^+ = \dfrac{1}{n}\sum\limits_{k=N+1}^{n} =& \dfrac{1}{n}\sum\limits_{k=N+1}^{n}\left(a_k-L+L\right) \\ ...
8
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1answer
503 views

How to force equation to be closer to the sum operator?

I would like to know if it is possible to force the equation to be closer to the operation sum? When there are a lot of subscript under the sum operator, it tends to pouch the equation to the right, ...
8
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3answers
289 views

Multiple alignments

If I have a string of equations whose equal signs are aligned and one of the equations is too long and needs to span multiple lines, how do I create a second alignment. For instance, in the following ...