{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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14
votes
1answer
432 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
9k 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
270 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
614 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
456 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
483 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
470 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
378 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
693 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
156 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} \...
5
votes
1answer
338 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
679 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
661 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
337 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
282 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
663 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 ...
8
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
401 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
975 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
434 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 ...
4
votes
3answers
10k views

Array alignment within align environment

I am trying to typeset an array within an align environment, aligning to a specific separator in the array. In the following example, I want to align on the ":" separator in the array. \documentclass{...
4
votes
2answers
521 views

How do I bulletpoint some equations within an Align environment?

I have a sequence of aligned equations, and I wish to bulletpoint some (but not all) of them. For example, in this MWE I wish to bulletpoint just the first and third lines (beginning with ABCDE = ..., ...
6
votes
1answer
3k views

Multiple align in equation with single equation number

I'm trying to get the following equation aligned two times per line and also I want to assign a single number to the equation. This is the code I have: \begin{alignat*}{2} [M/H] &\cong\; 0.917 ...
2
votes
1answer
199 views

Unexpected behavior of SIGMA symbol in eulervm

Consider the following minimal example (which has to use amsmath): \documentclass{article} \usepackage{amsmath} \usepackage{eulervm} \begin{document} \begin{align*} \rm{text} = x_\sigma \end{...
1
vote
1answer
505 views

Align environment

I'd like to ask how in align environment to number only one of the equations. \begin{aligned} \mathsf{E}[W^{i}_{t}-W^{i}_{s}]&=0,\\ \mathsf{E}\big[[W^{i}_{t}-W^{i}_{s}][W^{j}_{t}-W^{j}_{s}]\big]&...
1
vote
1answer
570 views

Create New Type of Align Environment with Unique Counter

I am trying to typeset some chemical equations in my thesis, and I would like to have the chemical equations have a unique counter from regular equations. I also need to have some of them align over ...
10
votes
4answers
5k views

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} \begin{...
1
vote
1answer
5k views

how to left-align equations [duplicate]

Possible Duplicate: How to left align a set of equations. I want to write an equation in latex , the code is : \begin{align*} \log (\sigma_{t}(X)) =&\log( \prod_{x \in X} \frac{1}{1-...
20
votes
1answer
9k views

Uncover lines of an align environment with beamer

Is there any way to uncover equation-lines of an align* environment line per line in a frame conveniently? somethink like \begin{align*}[<+->] a &= b \\ b &= c \\ \...
9
votes
1answer
2k views

How to remove parenthesis in an equation number created by \tag?

This is probably simple, but I can't figure it out. How can I remove the parentheses around a \tag in an align equation? I would like the second line (and only that) to contain [2] instead of ([2]). A ...
2
votes
1answer
530 views

Set two environments next to each other

How would I set two environments next to each other? Lets say two tables. I want to have something like this, where red is my page and blue one table and yellow the other. My scenario is that I have ...
7
votes
1answer
6k views

Tikz multiline node with center align [duplicate]

I have a problem with nodes in scheme. I need type a node where will be text "Banka melovskych filtru". Each word on a special line with center align.
7
votes
1answer
1k views

How to get width of equation

If I want to know the width of a text I use \settowidth{\MyLength}{bla}. Is there something similar for equations? More specifically I have \begin{align} a & b & c & d\\ c & d &...
13
votes
1answer
1k views

Adding multiple paragraphs between aligned equations

Some people have asked about how to add multiple paragraphs (when \intertext and \shortintertext no longer work), a fix was proposed by Peter Grill here: He wrote: My first thought was to hack ...
6
votes
3answers
24k views

Left-align math

I'm trying to left-align some math, like here (the center block with the arrows): I've tried the following: \begin{flalign*} (0, (2, q_1), (0, q_1)) \rightarrow (0, (0, q_1), (1, q_2)) \rightarrow ...
11
votes
2answers
1k views

Problems with alignment of sequences

I want to align two sequences: a_1, b_1, c_1, d_1, e_1 etc. a_2, b_2, c_2, d_2, e_2 etc. here's what I wrote \begin{align} \notag &a_1,\ &b_1,\ &c_1,\ &d_1,\ &e_1\ \...
1
vote
1answer
4k views

in a text and figure side by side how to add “caption” and “label” [duplicate]

Possible Duplicate: Create caption without float AND without caption-package? i have this: \begin{minipage}[b]{0.35\linewidth} Here is the text \end{minipage} \hfill \begin{minipage}[b]{...
2
votes
2answers
437 views

Patch newline (\\) in math environment using amsmath

I want to patch the newline command \\ in an align environment provided by amsmath. The patched version should execute some custom code and finally call the original definition, like in the following ...
8
votes
3answers
409 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 ...
13
votes
2answers
8k views

Equations inside enumerate aligned on item's number

If I type \begin{enumerate} \item \begin{align*} eqn 1 eqn 2 \end{align*} \end{enumerate} the label will appear on the first lines and the equations will ...
6
votes
1answer
6k views

Automatic equation numbering in LyX

I would like to create automatic numbering of equations in LyX. when I entered \renewcommand\[{\begin{equation}} \renewcommand\]{\end{equation}} for the "equation" environment it worked. However, ...