{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 question about aligning document elements, use {horizontal-alignment} or {vertical-alignment} instead.
7
votes
2answers
875 views
Padded Left Align for Table Columns
I have a table whose column headings (centre aligned with \multicolumn{1}{c}{Foobar here}) are wider than the left-aligned data. This looks somewhat odd, as there are large right-margins in each ...
7
votes
1answer
1k views
Spurious space above align environment at top of page/minipage
It seems that the align environment adds additional vertical space if it starts at the top of a page or minipage. Below are two pages, and two minipages (on Page 1), where the first page/minipage has ...
7
votes
2answers
2k views
Combine itemize/enumerate list and align environment
I have 2 parts (i) and (ii) that I am trying to write out, but I can't seem to get the (i) and (ii) it look nicely, i.e. itemised. I tried using the \begin{enumerate} command but it doesnt seem to ...
7
votes
1answer
2k views
Multiple Alignment in equations
The following equations need to be aligned in two spots. If I use the align* environment then the second column of alignment is pushed to the right edge of the page. I googled this and saw that ...
7
votes
3answers
3k views
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 ...
7
votes
2answers
1k views
Horizontal Line Separating Steps in Aligned Equation
I have an equation that I'm trying to display with horizontal line separation. The result I'm looking for is similar to this question, but I'm not sure how to apply it to my equation (below).
...
7
votes
2answers
146 views
Passing an argument with the alignment operator (&) to a macro within another aligned environment
I am trying to write macros for quickly formatting matrices in math mode. Here is a simple, working example:
\documentclass{article}
\usepackage{amsmath}
...
7
votes
1answer
100 views
Problem with \index in align enviroment
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}
...
7
votes
1answer
451 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 ...
7
votes
1answer
290 views
Spurious horizontal space in the aligned environment
If you compile what's below, you'll observe a slight horizontal misalignment between the equations of aligned versus align. Is there a way to avoid that?
\documentclass[fleqn]{book}
...
7
votes
1answer
1k 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 \\
...
7
votes
2answers
339 views
Centering the align environment on the middle column
I have a set of aligned equations that I would like to provide an \implies for down the left hand side. I used this originally:
\begin{align}
(x-1)^2 &= -1 \\
x-1 &= \pm i \\
...
7
votes
1answer
4k views
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 ...
7
votes
0answers
63 views
Node numbers in index of coordinatesystem
I've got a not so simple problem :)
First I am going to show you a picture to explain better what I want.
In that picture I want to have the index numbers of the coordinate system to show the ...
6
votes
3answers
395 views
alignat makes 3 good alignments and 1 bad
I'm having a problem with the alignat environment. This code:
\begin{alignat*}{9}
&X_{12}&+X_{13}& & & & & & & &=1 ...
6
votes
3answers
202 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}
...
6
votes
6answers
1k views
An enumeration of equations with aligned equal signs
I'd like to have something like the following:
\begin{enumerate}
\item $1 + 1 = 2$
\item $1 = 2 - 1$
\end{enumerate}
The thing is, I'd also like the equals signs to be aligned. But I'd like the ...
6
votes
2answers
66 views
Alignment between material inside and outside a cases environment
In the code below, I'd like to make the i=0,\ldots,n. line up, in the output, with the cases in the first part of the definition. Ideally, the full-stop would align with the semicolons and comma.
...
6
votes
3answers
4k views
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 ...
6
votes
4answers
92 views
How can I nicely align a single split equation?
I'd like to align my equation to that it (and its label) fit on three lines.
MWE
\documentclass[11pt]{article}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{xfrac}
\usepackage{transparent}
...
6
votes
4answers
165 views
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)] &&= ...
6
votes
3answers
1k views
Using tables to typeset proof - how to align equal signs?
I'm a student teaching myself to use LaTeX (and related tools) to type up my homework. It's going great, and I'm already very happy with what I've been able to do so far. Though, I have questions.
...
6
votes
2answers
8k views
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 ...
6
votes
2answers
170 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
...
6
votes
2answers
170 views
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
votes
3answers
106 views
How to align 'parts' of these equations?
I have a set of equations given by the following code:
\begin{equation}
\label{eqn:eraserStart}
\max \, d
\end{equation}
\begin{equation}
a_t \in \{0,1\} \, \forall t \in T
\end{equation}
...
6
votes
3answers
114 views
aligned environment of amsmath vs array environment
Today I found out the existence of the aligned environment of the amsmath package. However, I can't see the advantage of using it instead of the array environment from the example provided in ...
6
votes
2answers
106 views
Equations and defining equation variables
I have a main equation that should be numbered and now I want to define the variables of the equations which may contain another set of equations. For example please have a look;
code:
\begin{align}
...
6
votes
3answers
152 views
Specify alignment per column in align equation
Using the following mwe i have not yet found a way to align the formulas correctly.
\documentclass{article}
\usepackage{mathtools} % extends amsmath and fixes some of its quirks
...
6
votes
2answers
93 views
How to edit the length of a color box?
I've typed my Resume and Im using a color box, with a line underneath it. However the grey colored box doesn't reach the full length of the page width.
\documentclass[letterpaper,11pt]{article}
...
6
votes
2answers
184 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) \\
...
6
votes
1answer
192 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 &, ...
6
votes
2answers
2k views
\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 ...
6
votes
2answers
237 views
right align in align environment
I use a align* environment and on one line I have a very long equation which does not contain into a line. Thus for this line I would like to have the same behavior as a multline environment, that is ...
6
votes
3answers
397 views
Suggestions for splitting a large fractional equation?
I have seen a number of questions detailing specific means for how to break down a given equation, however I am more interested in the design at this point. That is, I'm not sure what part of this ...
6
votes
1answer
48 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 ...
6
votes
3answers
86 views
\underbrace and align environment
I want to typeset a proof and want to emphasize what I do in each step e.g. by underbracing an equal-sign when I substitute a variable. In addition I also want to align equal-signs in every line. ...
6
votes
1answer
115 views
Breaking equation in align enviroment to put textwidth matrix in separate line
I have to put a textwidth pmatrix into an align environment. When using split, it destroys the centered alignment of the other equation.
Pseudocode:
\begin{align}
\vec{a} &= \vec{b} + \vec{c} ...
6
votes
3answers
287 views
Labeled linear program with labeled equations and wide objective function
Can anybody help me stating a linear program in latex with the following requirements?
The LP itself shall be numbered on the left-hand side (although in the remaining document the equations' labels ...
6
votes
2answers
724 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 \\
...
6
votes
3answers
380 views
Optional argument to an environment inside align
I have lots of matrices so I want to define a mat environment. I sometimes need the matrix to have right-aligned columns so I am using mathtools and I want to have an optional argument that is ...
6
votes
1answer
140 views
Subequations inside align result in too wide equation
I want to create subequations and allign them such that nice 'inquality constraints' arise. My current code:
\begin{subequations}
\begin{align}
a & \le b & \le c \label{eq:constr1}\\
d & ...
6
votes
2answers
341 views
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 &= ...
6
votes
1answer
155 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 ...
6
votes
1answer
2k views
Remove vertical space around align
I need to display math in my report, but is it possible to remove the vertical space around align*?
A little example is the following (where I just want the align* to have the same vertical space as ...
6
votes
1answer
4k 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 ...
6
votes
2answers
158 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
1answer
324 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 ...
6
votes
2answers
669 views
How to reduce hspace between columns in align environment
With the following MWE, I have 2 columns:
\documentclass[12pt, a4paper]{scrartcl}
\usepackage{amsmath}
\begin{document}
\begin{align*}
4 &= 4 && \text{yes}\\
0 &= 0 && ...
6
votes
1answer
3k views
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} ...
