{amsmath} is a package provided by AMS that enhances LaTeX's mathematical typesetting capabilities in various ways.

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5
votes
1answer
283 views

Can anyone explain why setting \lineskiplimit breaks align?

OK, so this is a follow-up to one of my previous questions: If you uncomment the \lineskiplimit line, LaTeX goes crazy. Why? Does anyone have an idea how to fix it (without manually changing \...
4
votes
2answers
2k views

Commutative diagram with parallel arrows in opposite direction

I have a diagram of the following form, written with the package amscd: \begin{align*} \begin{CD} W @>\phi>> X \\ @V{a}V{b}V @V{c}V{d}V \\ Y @>\phi>> Z \\ \end{CD} \end{...
6
votes
2answers
559 views

Equation environment for centered, equally-spaced columns of expressions

I want a environment for displaying rows and columns of mathematical expressions, such that the contents of each column is centered, and the columns are equally spaced. Rows must have optional ...
13
votes
2answers
15k views

Are \choose and \align incompatible?

I ran across a strange warning when trying to use the math command \choose inside the amsmath package's \align* environment: \documentclass{article} \usepackage{amsmath} \begin{document} \begin{align*...
6
votes
1answer
1k 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. ...
29
votes
1answer
39k 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: \begin{alignat*}{...
10
votes
2answers
2k views

QED symbol in a custom theorem environment

I have created my own theorem environment like this \newtheoremstyle{mythmstyle}{}{}{}{}{\scshape}{.}{ }{} \theoremstyle{mythmstyle} \newtheorem{mythm}{Theorem} How do I add the QED symbol (the ...
5
votes
1answer
837 views

too many math alphabets used in version bold (can't find a solution)

I know this is a common problem, but I searched for a solution and can't find one. I tried to play with bmmax/hmmax but it does not help. Below is the minimum part of the code to reproduce the problem....
108
votes
3answers
43k 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 ...
3
votes
2answers
936 views

Using a math operator inside a 'cases' environment

When I do this: \begin{equation} b_i = \begin{cases} arg \min_{\forall p \in B} d(a_i, p) & \text{if } d(a_i, b_i) < D_{max} \\ \text{undefined} & \text{otherwise} \end{cases} \end{...
2
votes
1answer
2k views

Independent labelling of lines in a `cases` environment [duplicate]

Possible Duplicate: Separate labels in cases I am looking for a way to number and references independently individual lines in a cases environment. Here is an example: \documentclass{article}...
11
votes
2answers
842 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 & ...
5
votes
1answer
245 views

Centering item along several nodes in bmatrix

How can I position X exactly in the middle of space between a and d column? \documentclass{article} \usepackage{amsmath} \begin{document} \[ \begin{bmatrix} a & b & c & d & e \\ ...
7
votes
2answers
482 views

Workaround for align without using amsmath

I'm preparing a manuscript for a journal that demands a style file (copernicus2.cls) that's not compatible with amsmath. I want to display some aligned equations, but the lack of amsmath means I can't ...
8
votes
1answer
286 views

\vec{p_{\bar p}} renders strangely

When I do: \vec{p_{\bar p}} I get: instead of with the \vec shifted over a bit. Why does this happen? (Also, \vec{\mbox{p_{\bar p}}} renders identically, even though \mbox{p_{\bar p}} looks ...
13
votes
1answer
11k views

\hbar new letter

I would want to know in which package the symbol \hbar is defined. In fact I ask this because I need to create a letter like \hbar but with 'k' instead of 'h'.
8
votes
2answers
403 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 ...
12
votes
1answer
455 views

What would be the appropriate technique for typesetting a “where” list of variable specifications after an equation?

I'm often finding I need to lay out an equation in a manner resembling the following source: \begin{align*} x = y + z \end{align*} where $y = $ the value of $y$; $z = $ the value of $z$. ...
1
vote
1answer
652 views

Inserting new line under \exists in math mode [duplicate]

Possible Duplicate: Separate long math text under sum symbol into different lines? Minimal example of my document. I'm using redesigned exists. \documentclass{article} \usepackage{amsfonts} \...
22
votes
4answers
3k views

Printing labels along with equation numbers

Working with documents with huge amount of equations it becomes cumbersome to go back and remind yourself what you labeled a certain equation to (I try to name them in a smart way, but there are too ...
5
votes
1answer
2k views

Customize the way eqref works with tags

I'd like to have a version of \eqref that treats equations with a custom tag differently from the usual numbered equation. In particular, if I assign a tag to an equation, I'd like \eqref not to put ...
6
votes
1answer
983 views

Trouble with hyperref when resetting the counter for equations (specifically with the align environment)

I am trying to reset a counter to zero; however hyperref tries to reference previous equations. I am using: \setcounter{equation}{0} And if I have labels in say align environments: \documentclass{...
3
votes
2answers
1k views

Need help in order to rewrite a proof environment

I have the following document (that I have shortened considerably), and have several proofs that are of type: "Let x be in set A then go on iff this is true iff this is true, etc and end with ...
4
votes
1answer
463 views

How to have a matrix aligned with the rest of an equation?

When I include a matrix in an equation, the first part of the equation is separated off to the left of the page, while the matrix is spaced away in its own centred area on its own line. Here is what ...
2
votes
1answer
858 views

A problem with placing a formula at the left side of the page

I'm having the integral of a function over path C1 and C2 .I want to have both c1 and c2 on the left side of my page but anything I use doesn't work . I tried to put it with the align* , itemize , [...
24
votes
2answers
6k views

mathtools vs amsmath

I read on http://en.wikibooks.org/wiki/LaTeX/Mathematics: The mathtools package fixes some amsmath quirks and adds some useful settings, symbols, and environments to amsmath. It sounds like "...
20
votes
3answers
6k views

Why doesn't lineno number a paragraph when it is followed by an “align” equation environment without a space?

lineno skips the line numbering in this case: \documentclass[12pt]{article} \usepackage{amsmath} \usepackage{lineno} \linenumbers \begin{document} Lorem ipsum dolor sit amet, consectetur adipiscing ...
1
vote
0answers
83 views

amsmath possible bug: \dot over bracketed \dot{x} [duplicate]

Possible Duplicate: \dot over \vec over : amsmath bug/feature? Is this a bug (I can't see it reported anywhere)? \documentclass{article} \usepackage{amsmath} \begin{document} \[ \dot{[\dot{x}]...
13
votes
1answer
1k views

The font of operator names

What is the correct way of having all operator names be set in, say, sans serif? Saying \documentclass{article} \usepackage{amsmath} \makeatletter \def\operator@font{\sf} \makeatother \...
63
votes
3answers
72k 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 ...
12
votes
4answers
4k views

Text above matrices

I am new to latex and I am trying to create So far I have been able to create the matrices, like so: \[ N\textrm{ spectra} \begin{bmatrix} a_{11} & a_{12} & \cdots & a_{1M} \\ ...
7
votes
2answers
7k views

Creating non-math mode substitutes for \overset and \underset not dependent on the amsmath package

I have been using \overset and \underset to stack text, e.g.: \documentclass{article} \usepackage{amsmath} \begin{document} $\overset{\text{a}}{\text{b}}$ \\ $\underset{\text{c}}{\text{d}}$ \end{...
25
votes
3answers
28k views

Dot Derivative Discrepancy

I am trying to typeset some higher-order time derivatives using the dot notation, and I've noticed something strange. The expressions $\dot y + y = \cos(\dot y)$ $\ddot y + y = \cos(\dot y)$ give ...
3
votes
2answers
425 views

How to put a full stop at the bottom, not mid-line, after an aligned matrix?

How can I put a full stop at the bottom rather than at mid-line following the end of an aligned matrix expression such as $\begin{pmatrix} x\\ y \end{pmatrix}$?
9
votes
1answer
6k views

line break inside cases environment

I have an equation using a cases environment, with one case with a long description text: \begin{eqnarray*} \begin{cases} 1 \text{too long description of the first case, not ...
15
votes
4answers
2k 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} baseline$\mathbf{l}$baseline$\...
0
votes
1answer
344 views

GnuPlot terminal LaTeX: \Diamond not centered!

I use the following GnuPlot commands: set terminal latex size 12cm, 7cm set output "4Kalibratie.tex" set nokey set xlabel "kanaal $k$" set ylabel "$E$ (MeV)" plot [0:2000] [0:10] 0.00261937*x+4....
6
votes
2answers
2k 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 ...
2
votes
3answers
10k views

eqnarray with subnumber

When I use eqnarray \begin{eqnarray} eq\\ eq\\ eq\\ \end{eqnarray} this show me eq (1) eq (2) eq (3) In some papers I see this output eq (1a) eq (1b) eq (1c) how I can make this way ?
10
votes
1answer
587 views

Diagnosing the “too many math alphabets” error

I recently hit up against TeX's "too many math alphabets" error. I'm trying to diagnose what is using up my math alphabets, as I can't work out where they are going. Of course, I could just start ...
91
votes
4answers
24k 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 ...
10
votes
2answers
10k views

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 ...
4
votes
1answer
1k views

How to typeset elementary combinatorics?

How would one typeset basic combinatorics, like variation and combination? For example, when using \(V'_n^k\) for variation with repetition, n and k are not vertically aligned. Something like \(V'\...
4
votes
3answers
8k views

amsmath - multiple labels in one equation

I would like to use multiple labels in the same equation when using amsmath. Basic latex already has this feature, but not amsmath, which seems to manipulate labels in complicated ways. Is it possible ...
5
votes
2answers
11k views

Set horizontal width of matrix in amsmath [duplicate]

Possible Duplicate: Is there a way to slightly shrink a table, including font size, to fit within the column boundaries? I have a 16x16 pmatrix. How do i set the width so it doesn't overflow ...
7
votes
3answers
3k views

Implication symbol

I'm looking for a good implication symbol. I understood I was supposed to use \to, but it's longer than \land and \lor and it kinda bugs me. Is it possible to type an arrow of the exact same length?
9
votes
1answer
837 views

ignoring vertical space due to underbraces in cases environment

In the following formula, I would like to change the rendering such that the lower end of the "cases" brace looks as if there were no underbraces. Is that possible? I already tried \smash and negative ...
17
votes
4answers
22k 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 \\ ...
5
votes
1answer
1k views

How to redefine \label command in align environment

I have a problem with the redefinition of \label inside of the align environment. The goal is to allow a different behavior of the label command inside of the align environment than outside of it (e.g....
11
votes
2answers
1k 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 left-...