{amsmath} is a package provided by AMS that enhances LaTeX's mathematical typesetting capabilities in various ways.
16
votes
1answer
865 views
Changing the apperance of equation numbers with amsmath
For equations in my document, I use the facilities of the amsmath package. In order to make the equation numbers more eye-catching, I want them to be in boldface and a little bit indented to the ...
23
votes
5answers
4k views
A MiKTeX update removed amsmath as obsolete – can I use another package or get it back?
I have a problem with amsmath package. After an update this package was removed because it was obsolete. But what package can use instead of amsmath?
33
votes
2answers
3k views
align vs equation
I always use align in my documents, and avoid equation. Is there anything wrong with that? My reasoning behind this: align > equation, so why not use it?
21
votes
5answers
4k views
How can I write multiple lines in a subscript?
Is there a way to force a line break inside a math mode text?
My example:
\[
\underbrace{....}_\text{Some long text that should be multiline}
\]
Trying
\text{Some long text that\\ should be ...
18
votes
4answers
2k views
Using display style fraction in a matrix environment
I'd like use the \dfrac command in a bmatrix environment as follows:
\documentclass{article}
\usepackage{amsmath}
\begin{document}
\[
\begin{bmatrix}
\dfrac{\partial f}{\partial x}
\\
...
13
votes
4answers
476 views
How can I break an align environment for a paragraph?
I would like to have two displayed equations, broken by a short paragraph, but with aligned equal signs (as if using the align environment). Is there some way to "break" the align environment ...
34
votes
3answers
1k views
Which command should I use for displayed equations?
A number of related questions have already been asked about this issue:
align vs equation
which is preferable to
what to do with this hyperref note on amsmath
and even eqnarray vs align
But I'm ...
13
votes
3answers
4k views
Aligning across 'aligned' equation blocks
I'd like to format two groups of equations such that all their equal signs line up and such that I can put a big brace to the right of each block to annotate that block. The last part is easily ...
11
votes
3answers
869 views
Separate labels in cases
As much as I have tried, it doesn't seem possible to use separate labels when using a casesconstruction (from the amsmath package).
Ideally, I would like to be able to write something like
...
22
votes
3answers
2k views
What are the differences between $$, \[, align, equation and displaymath?
I once learnt, that it is uncool to use $$, but why is that? Why does \[ not act as a abbreviation to \begin{align}? I noticed, that there is a difference, since one cannot use & and \\ inside a ...
38
votes
3answers
3k views
Is there a preference of when to use \text and \mathrm?
I'm unsure of when it is preferable to use \text versus \mathrm, is there some unwritten rule about the use of these?
For example, I saw the following code in a math post:
...
18
votes
2answers
1k views
\boxed{}, TikZ and colored equation background
I wonder if someone could provide me with a simple MWE for using TikZ together with \boxed to produce a colored equation background. If possible with rounded corners.
I am using \boxed{} inside the ...
9
votes
4answers
2k views
Diagonal dots spanning multiple lines/columns of a matrix
I'm filling in large sparse matrices, for example
\begin{bmatrix}
0 & -2 & 1 & & -1 & 2 \\
2 & \ddots & \ddots & \ddots & & -1 \\
...
16
votes
2answers
5k views
align* but show one equation number at the end
I am using align*, but I still need an equation number. I know one solution is to use align and add \nonumber to all lines but the last. Is there a 'lazy' way to do it?
I searched a little and found ...
17
votes
3answers
2k views
Centering \vdots in a system of many equations
I have a system of equations with an arbitrary number of equations (k). I'd like to use \vdots to compactly describe the system, like so:
\begin{align*}
R(-1) &= \sum_{i=1}^m A(i)R(i-1) \\
...
37
votes
3answers
8k views
What's the difference between \mathrm and \operatorname?
I apparently can't see the difference in a compilation (pdflatex) between \mathrm and \operatorname. So, as in the title the question is: is there a difference? Which one is preferable in what ...
13
votes
2answers
2k views
Split-like environment inside cases environment
I'd like to have a cases environment with some cases that are too long to fit on one line. I tried this:
\begin{cases}
\begin{split}
long expression \\ second line of long expression
...
10
votes
1answer
314 views
showonlyrefs and cleveref
This question led to a new package:
autonum
I know that cleveref is not compatible with showonlyrefs as it says in the cleveref manual. But I have a book-length document that depends on ...
9
votes
3answers
879 views
Force line break inside a \lim argument in align environment
Inside an align environment I have a \lim with two variables which should be displayed in two lines:
\begin{align}
...
f & = \lim _ {a \rightarrow -\infty \linebreak b \rightarrow \infty} ... \\
...
3
votes
1answer
375 views
Left-hand vertical rule applied to flalign environment with automatic pagebreak
I am referring to the coderule environment (see Override \centering to left justify an image) presented earlier by @TH as answer to the following question: Override \centering to left justify an image ...
11
votes
2answers
809 views
inserting sentences between subequations
My apologies for asking so many questions here. I want to introduce a sentence in between 2 subequations which is not in math mode. Here is the code that I am using:
...
5
votes
4answers
517 views
Obstacles to simulating an amsmath matrix by a TiKZ matrix of math nodes
I'm trying to figure out a TiKZ-based solution to this problem involving arrows between matrix rows. To this end, I would like to at least be able to make a matrix of math nodes simulate the behaviour ...
5
votes
2answers
732 views
Broken matrix - gaps in brackets
This is my minimal working example.
\documentclass[12pt,a4paper]{mwrep}
%\usepackage{amsfonts}
\usepackage{amsmath}
%\renewcommand\baselinestretch{1.5}
\begin{document}
\chapter{Example}
...
27
votes
2answers
313 views
Why is there a \, space at the beginning of the “aligned” environment?
Near the beginning of the definition of the amsmath environments aligned and gathered (and also mathtools' multlined) there's an explicit thin space \,. This often has to be cancelled with \!, as ...
14
votes
4answers
293 views
Conflict: onlyamsmath and TikZ
To force myself and collaborators to only use AMS-Math commands, I laod this package in the preamble:
\usepackage[all,warning]{onlyamsmath}
However, when this is combined with TikZ, I get into ...
9
votes
1answer
2k views
AMS align / Align multiple “=”, too much space
I asked this question at stackoverflow and have been kindly redirected here.
I'd like to align some equations in Latex using the AMS packages. Each equation has two equal signs that need to be ...
5
votes
1answer
419 views
Using \leftroot{}, \uproot{} with closed square root symbol
As mentioned in this answer to Nice-looking p-th roots the amsmath package provides \leftroot{} and \uproot{} which allow you to move the position of the root to the left, and up in small increments. ...
12
votes
3answers
552 views
Hyperref jumps to the wrong equation if the equation has a \tag and cleveref is used
The problem
I'm writing a document where all of my equations are labeled, not by numbers, but by names, which I provide with amsmath's \tag command. I also use cleveref for ease of ...
9
votes
1answer
6k views
Aligning equations with text with alignat
I'm trying to add this expression to my work:
I understand that the best way to achieve this is using the alignat environment within the amsmath package, so I tried the following:
...
6
votes
2answers
216 views
Writing specific versions of an operator for display and inline modes
I'm busy answering a question by constructing a new math operator that uses the sum symbol and some TikZ placed on top. My answer as it stands can be found here. It looks (I think) pretty good in ...
6
votes
1answer
3k 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 ...
12
votes
3answers
803 views
mathop shifts the baseline, DeclareMathOperator doesn't
Here is a little example that illustrates this strange behaviour:
\documentclass{article}
\usepackage{amsmath}
\DeclareMathOperator\foo{\mathbf{l}}
\begin{document}
...
12
votes
3answers
2k views
\DeclareMathOperator won't take arguments
I'd like to define a family of math operators that have the same superscript, but different subscripts. My first attempt was:
\DeclareMathOperator{\Upd}[1]{U^M_{#1}}
But the log tells me that:
l.3 ...
10
votes
2answers
426 views
Custom alignment of columns in align environment
I need to typeset two columns of equations, each row typeset with an equation number to the right as with an ordinary equation. The first column must be centered, and the second column must be ...
5
votes
2answers
535 views
Relation spacing error using =& in aligned equations
The middle equation in the following example seems to have wrong spacing around the = sign. The only difference is that I used =& for aligning around the = sign rather than &=.
This worries ...
3
votes
2answers
649 views
Force aligned equation (all the way) to the left?
How do I force the following aligned output all the way to the upper left (right next to the enumerated list item)? I still want the 2nd and 3rd lines to be aligned with it's above equal sign.
...
3
votes
3answers
915 views
Overbrace in amsmath align environment
I have the following rather large equation.
\begin{alignat*}{16}
1 &= &&b_m && &c_n + &b_m && &c_{n-1} &&R_L + &b_m ...
1
vote
2answers
2k views
\dot over \vec over : amsmath bug/feature?
I was trying to typeset the time derivative of \vec{r}_\alpha, and naively, I put it as an argument to \dot. This does not work: the arrow is not on r anymore. Here is a minimal example:
...
17
votes
4answers
796 views
What to do with this hyperref note on amsmath?
http://www.ctan.org/tex-archive/macros/latex/contrib/hyperref/ has this note copied below:
amsmath
-------------
The environments equation and eqnarray are not supported too well.
For ...
18
votes
6answers
12k views
Mathematical symbol for disjoint set union
In our lecture script, we use the notion of disjoint set union. It uses a special symbol to differentiate the disjoint from the usual set union, where we add an extra dot inside of the \cup symbol. Is ...
18
votes
1answer
3k views
Problem with qedhere
In a paper I'm writing, I end a proof with a displayed equation that has some cases in it. The relevant code looks something like the following:
\[f(x) = \begin{cases}
2x & \text{if $x<0$}\\
...
9
votes
3answers
3k views
Define pretty sets in LaTeX; esp., how to do the condition-separator?
E.g., I have this set:
\{ \alpha \in \Sigma^\omega | \exists^\omega n : \alpha [0,n] \notin \Sigma^* a_1 \Sigma^* a_2 \dotsb a_n \Sigma^* \}
Here, I use | as the separator for the condition part. ...
9
votes
1answer
1k views
Does amsmath provide any medium to auto-break equations?
I'm writing large equations in texlive with amsmath, and I want them to be automatically broken at the end of the line. Is there any way to do that with amsmath?
What would you recommend me to do ...
23
votes
2answers
2k views
What does each AMS package do?
In my view, any document with a substantial amount of mathematics should load the packages from AMS-TeX. Hence, most of my document's preambles contain
\usepackage{amsmath, amsthm, amssymb, amsfonts}
...
16
votes
2answers
2k views
Is there a difference between the `displaymath` and `equation*` environments?
The amsmath documentation says
Basic LaTeX doesn’t provide an equation* environment, but rather a functionally equivalent environment named displaymath.
Are they really the same or is there a ...
12
votes
4answers
304 views
How do I get this strange alignment?
I would like to get a nonstandard alignment in the following code:
\begin{align}
\text{First left hand side} & = \text{First right hand side} \\
\text{Second left hand side} & = ...
11
votes
2answers
368 views
How can I add clips above matrix?
\documentclass{mwrep}
\usepackage{kbordermatrix}
\usepackage{amsmath}
\begin{document}
\begin{equation}
\bar{P}=
\kbordermatrix{ \mathrm{state} & 1 & 2 & 4 & 3 & 6 & ...
8
votes
2answers
721 views
\mathrel conflict with \left,\right,\middle
I refer to this question and particularly to this answer. I defined \set by
\usepackage{mathtools}
...
\DeclarePairedDelimiterX\set[2]{\{}{\}}{#1 \mathrel{\delimsize|} #2}
where ...
8
votes
2answers
620 views
Equation numbering problems in AMSMath environments with \pause
I'm writing a beamer presentation, and trying (unsuccessfully) to use \pause to step through a numbered array of equations, with the equations appearing in turn, and the corresponding numbers ...
24
votes
1answer
225 views
Please explain a strange interaction between bytefield, unicode-math, and mathtools
bytefield gives me different results when used in association with mathtools and unicode-math when used together. Here's my 'good' MWE:
% !TEX TS-program = XeLaTeX
\documentclass[a4paper]{article}
...
