{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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30
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4answers
65k views

Aligned equations in LaTeX

I have a long equation in LaTeX, which I need to break up into more lines. I've done this, although its not quite what I was looking for. Here is a MWE showing my problem: \documentclass[10pt]{...
6
votes
1answer
661 views

How to align a set of my equations?

I just wan't to align the equation like this example (Of course, I can't align these equations on the web page): ∵△ABC ≌ △A′B′C′ ∴∠ABC = ∠A′B′C′ ∠ACB = ∠A′C′B′ ∠BAC = ∠B′A′C′ If I use &, ...
4
votes
1answer
419 views

Align multiple equations under longer equation

I want to do what this MWE would do if the hspace{-1in} actually moved that second alignment column to the left, underneath the big quadratic formula. \documentclass{article} \usepackage{amsmath} ...
9
votes
3answers
7k views

\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} \usepackage{amsmath}...
2
votes
1answer
636 views

Left aligned multi line equations and \newenvironment

I'm building a table of integrals, for my own use. I need simple things: equations must be left aligned, sometimes I need alignment on the equal symbol and to save space sometimes I need 2 equations ...
2
votes
2answers
877 views

array environment with tags/labels

I try to come up with a couple of formulas which should be aligned according to a relation symbol but also to the left. Have a look at the following example: \documentclass{article} \usepackage{...
7
votes
2answers
3k views

Highlight an equation within an align environment with color option

I'd really like to do exactly what's being asked for in this question: Highlight an equation within an align environment, but with the ability to change the color when I call it, so that I could have ...
6
votes
3answers
253 views

What's the best way to align binary operators to the right of a relation symbol?

I know that you're generally told to align binary operators to the right of a relation symbol like this (using {align*}): \begin{align*} x={}&a+b+c\\ &+d+e+f \end{align*} But would it ...
0
votes
0answers
216 views

get rid of the number of nonreferred equations [duplicate]

Possible Duplicate: How to organize labels when there are too many equations? How do I number equations only if they are referred to in the text? I have a lot of equations in my documents ...
0
votes
1answer
518 views

problem with \left| and align [duplicate]

Possible Duplicate: How to make \left, \right pairs of delimiter work over multiple lines? Hi I'm trying to write a long equation with {align*}: \begin{align*} &\left|<L(w^2u),Lu>_k-...
2
votes
1answer
578 views

elsarticle figure to left in LyX

I use elsarticle 2 docment page in LyX. I put figure in left column partion and use \resizebox{3.4in}{!}{ Figure.png } to make it smaller But I still need to align the figure to left of the page ...
4
votes
3answers
2k views

how to justify left all numbered equations

I use displayed numberd formula in lyx the equations are appears in middel I want to justify left the equations I used elsarticl 2 column page format
4
votes
1answer
201 views

how to align the following set of equations and have one equation number?

I have two equations. One is big and the other is small. I want to align them and want these two equations to have only one equation number. Another question is : Are there ways to make these ...
5
votes
1answer
669 views

aboxed across multiple alignment

I would like to have the entire last line in a box, but when I compile, it only boxes the first equation and doesn't even print the second equation. Does anyone know how to fix this? Here's my MWE. ...
9
votes
1answer
8k views

Tabbing for math mode?

I'm looking for something synonymous to tabbing, but for math mode. I read that alignat* should do the trick, but this behaves differently it seems. For example: \documentclass{article} \usepackage{...
1
vote
1answer
1k views

Positioning of \flalign and arrows between the equation

I want to have something as following, but I'm not satisfied with the result: \documentclass[12pt,parskip]{scrartcl} \usepackage{amsmath} \usepackage{amssymb} \usepackage{geometry} \usepackage[...
4
votes
2answers
2k views

flalign* still maintaining indent - caused by \text{}?

The goal is to align all of the text that spans more than one line with the equal sign. It appears that if I use \usepackage{amsmath} in my preamble and then use align* it will align with the ...
2
votes
1answer
995 views

Error when setting a label in an alignat-environment which is embedded in a figure-environment

I want to label equations in a alignat-environment which is embedded in a figure-environment and it won't compile. Example: \documentclass[11pt,a4paper,twoside,openright]{book} \usepackage{amsmath} ...
7
votes
3answers
319 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 = ...
5
votes
1answer
144 views

how to align equations with some text

I want to align the equations with text. Though the equations are aligned as I want it to be but still the text is not aligned. \begin{align} \mathscr{F}^\prime(x_0)^{-1}&\in L(Y,X) \quad &\...
1
vote
0answers
219 views

left-justified text in the same line as the beginning of \align equations [duplicate]

Possible Duplicate: Vertical alignment of align* in enumerate How to split and align equations when they are inside an enumerate environment? pgfplot barchart moving x-axis up I want to ...
14
votes
1answer
433 views

Align to center

I want to align some equations to the equal signs, so I wrote this: \begin{align} -3z &=-9\\ z &= 3\\ -3y-3*3 &= 3\\ y &=-4\\ 2x+8*(...
1
vote
1answer
3k views

align with equal sign centered [duplicate]

Possible Duplicate: Align to center I want to align some equations to the equal signs, so I wrote this: \begin{align} -3z &= -9\\ z &= 3\\ -3y-3*3 &...
8
votes
4answers
308 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 { $X=y+z$} & { ...
1
vote
2answers
284 views

Center Formula in self created environment

I use a environment called loesung which I created by myself. Now I have a formula in that environment, but I want to have that formulas centered. Not left aligned, here is my code: %http://tex....
8
votes
2answers
10k views

Phantom and Align Environment

Is there any way to 'phantom' text within the align environment? I have the following code: \documentclass{article} \usepackage{amsmath} \begin{document} \begin{align*} \phantom { a & = b \\ &...
4
votes
1answer
5k views

Undefined control sequence in align

\begin{align} \label{eq:x} x = \sign{a} \cdotp \sign{b} \cdotp \min(\lvert a \rvert,\lvert b \rvert) \end{align} Above gives me Undefined control sequence. Any ideas would be helpful.
8
votes
4answers
271 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 line),...
5
votes
2answers
2k views

Using “&” symbol to split and align multiple equations

I would like to use the "&" symbol: to align multi-line equations as well to use it as an index to mark the placement while splitting an equation. However, when I do so, I don't want the ...
8
votes
2answers
4k views

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 &= ...
10
votes
1answer
632 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} \begin{...
6
votes
3answers
461 views

How can I align two split environments at the equal signs?

\documentclass{scrartcl} \usepackage[latin1]{inputenc} \usepackage[T1]{fontenc} \usepackage[english]{babel} \usepackage{amsmath, amsthm, amssymb} \usepackage{mathtools} \begin{document} \begin{...
3
votes
1answer
491 views

Align inside align

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 &=...
3
votes
3answers
474 views

Behaviour of the align environment

I'm writing a manuscript with long equations. In order to break the equations I prefer the align environment, provided by the amsmath package, over the eqnarray one. In the below example I show the ...
3
votes
2answers
382 views

In the align environment, how to number only one of the lines? [duplicate]

Possible Duplicate: Selective numbering of equations with align I would like to know, how to number only one specific line among many, in the align environment. For instance, I don't want to ...
8
votes
1answer
709 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, ...
7
votes
1answer
157 views

Problem with \index in align environment

Please compile the following MWE. As you will then see, the typesetting of $\mu^{\otimes\downarrow n}$ in the index is strange! \documentclass{article} \usepackage{amsmath} \usepackage{imakeidx} \...
6
votes
1answer
344 views

Centering first line of an align environment (Simulating \multicolumn{2}{c})

I often need align environments where the first line is centered, e.g., when first introducing the types of the functions to be defined, then defining them. I essentially want to obtain the effect ...
15
votes
4answers
3k views

Make align* number the last equation

I am using the align* environment to write equations expanding several lines. I would like to define a command sequence in the preamble, such that the last equation of this block will always be ...
3
votes
2answers
689 views

Brace delimited sets of equations inside AMS align with common alignment

I would like to extend the following way of typesetting equations with a trailing brace to more than one set of equation. \documentclass{article} \usepackage{amsmath} \begin{document} This works \...
7
votes
1answer
3k views

More sophisticated page breaks within aligned equations

This is my current method of allowing page breaks between my aligned equations {\allowdisplaybreaks \begin{align*} left &= right1 \\ &= right2. \end{align*}} It works, but it doesn't ...
10
votes
2answers
676 views

Selective numbering of equations with align

I have an align environment with 5 equations. I want 3 of them numbered, and the other 2 not numbered. I understand that there's other posts on the issue of selective numbering of those equations that ...
1
vote
1answer
339 views

Removing Leading Space

I would like to remove the leading space that appears on the left before the equation on the latex below. \documentclass[preview]{standalone} \usepackage{amsmath} \usepackage{bm} \usepackage{...
2
votes
1answer
285 views

Consistent alignment of equations throughout entire paper

I'm writing a thesis and want all equations to be left aligned but also commence from the exact same distance from the left margin. I desire a (perhaps) 1 inch gap between all my equations and the ...
7
votes
1answer
666 views

Scaling down all the equations using one single command?

I am about to submit an article with lots of equations in there (defined in both equation and align environments and I also have lots of inline math of course). There is a maximum page limit for the ...
9
votes
2answers
5k views

Spacing of \multline inside align (i.e. \multlined)

Related with How can I use multline within an align environment?. Consider this document: \documentclass{minimal} \usepackage{amsmath,mathtools} \begin{document} \begin{align*} & \left[k(k+\...
3
votes
1answer
3k views

Latex align error?

Why does the following code give me this error?: "Extra } or forgotten \right)" I have been through it and cannot work out why. \begin{align} C(t,xxx,\tau,N,X)&=N\Phi\sum_{i=1}^{n}\left[-(1+X_{...
8
votes
2answers
402 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} \usepackage{...
3
votes
1answer
983 views

Slight vertical mis-alignment of cells when using TikZ matrix of nodes

While laying out a bunch of nodes with a TikZ matrix, I noticed slight vertical mis-alignment of nodes. It seems that words with “tall” letters (p, b, l) shift the box vertically up or down. This does ...
4
votes
3answers
440 views

Aligning multiple binary operators

Objective I want to align the following: expr_a1 <= expr_a2 <= expr_a3 \\ expr_b2 <= expr_b2 <= expr_b3 \\ Now, I want the <= to be aligned with each other; the expr_*2 to be ...