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

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14
votes
3answers
5k 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 ...
14
votes
1answer
220 views

align* environment left-aligned with LuaTeX and RTL math direction

When using LuaLaTeX, with the math direction set right-to-left, the contents of an align* environment is left-aligned instead of centered. Why does this happens? How can I fix it? ...
13
votes
3answers
1k 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} ...
13
votes
7answers
926 views

Aligning polynomial terms

In LaTeX align, I'm struggling to align polynomial terms and assume there's an easy way to do it. But I cannot find the simple/elegant solution. What I would like is something like this: x1 + x2 ...
13
votes
2answers
432 views

Breaking a theorem between pages

I currently have this custom myexample theorem environment that is working absolutely great. \newtheoremstyle{myexamplestyle}{}{}{}{}{\bfseries}{.}{ }{} ...
13
votes
2answers
3k 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 ...
13
votes
4answers
4k views

Intertext vertical spacing

How do I reduce the vertical spacing of \intertext?
13
votes
1answer
15k 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: ...
13
votes
2answers
160 views

Long Dashed Right Arrow

Is there a \dashrightarrow equivalent of: \xrightarrow{\hspace*{4mm}} or \longrightarrow or a similar way to fudge it?
13
votes
1answer
2k views

How to use more than 10 tab stops in \bmatrix?

I'm using bmatrix environment from the amsmath package, and I'm trying to do something like this: \documentclass{article} \usepackage{amsmath} \begin{document} \begin{equation} ...
13
votes
4answers
818 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 ...
12
votes
4answers
678 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 ...
12
votes
4answers
411 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} & = ...
12
votes
2answers
474 views

Inconsistent behavior of boxes in amsmath's `gather`.

Recently I was working on a package (ytableau) and had a strange experience with the gather environment in amsmath. Namely, it screws with \vtop and, seemingly, with boxes that I reserve before ...
12
votes
2answers
1k views

vertical dotted line in column vector / amsmath matrix

I would like to typeset the following set of equations: ... but with contiguous, vertical dotted lines in the column vectors, such that the top and bottom rows of the matrix and of the vectors are ...
12
votes
2answers
153 views

Input manually a number into \eqref

Often while writing papers I find the need to cite particular equations from other papers. For example, the landmark paper by Einstein, Newton, and White (2015) lays out the theory of everything in ...
12
votes
1answer
4k views

Why does amsmath print a warning about a foreign command?

I was wondering what was the cause of the following warning message with the specific \usepackage used below: Using the following: Preamble \documentclass[amssymb,twocolumn,aps]{revtex4} ...
12
votes
1answer
313 views

Correct usage of \ifmmode

Seems that there is some subtlety in using \ifmmode that I am not aware of. For some reason, using: \newcommand{\hlcodeA}[1]{\ifmmode\else\small\fi\texttt{\hilight{#1}}}% is not quite identical ...
12
votes
1answer
470 views

Lost labels using intertext with varioref and hyperref

I have a problem using \intertext together with \vref when hyperref is also used. Consider the following minimal example: \documentclass{article} \usepackage{amsmath, varioref} ...
12
votes
1answer
250 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\\ ...
12
votes
3answers
268 views

Displaymath environment that can align equations and squeezes math

I have a long equation to align. Without squeezing the math, it is just barely longer than \textwidth. However, the align environment doesn't squeeze the math at all, which results in a badbox. ...
12
votes
2answers
2k views

Multiset notation in LaTeX

Does anyone know how to make (nice looking) double bracket multiset notation in LaTeX. i.e something like (\binom{n}{k}) where there are two outer brackets instead of 1 as in binomial? You can see an ...
11
votes
4answers
1k views

'Nudging' overset characters downwards

I am trying to make a vector-like symbol to use in a paper I'm writing. I am actually able to make almost exactly what I want in Mathematica, in which it looks like this: In TeX I am using ...
11
votes
3answers
197 views

Multiple letters without spacing in Math

Is there something I can add to the preamble of my document such that multiple letters without spacing in a Math environment (such as $NP$) do not have extra spacing between them and are not ...
11
votes
2answers
468 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 & ...
11
votes
2answers
204 views

Manually controlled size of delimiters in macros

I am using the amsmath package and I'd like to control the size of my delimiters manually, i.e. using the \bigl, \Bigl, ... , \Bigr, \bigr commands, instead of \left, \middle, \right. Now I want to ...
11
votes
2answers
5k views

What is the difference between \dfrac and \frac?

The title says it all, both \dfrac{a}{b} and \frac{a}{b} make fractions, so what is the difference between the two?
11
votes
4answers
171 views

Aligning the long equations

I have read all of the different solutions for fitting long formulas in a page, yet I am still not satisfied with the output I get. The formulas are right aligned which does not look good. Would you ...
11
votes
4answers
5k 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 \\ ...
11
votes
2answers
2k 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: ...
11
votes
3answers
5k views

How to increase the spacing between equations in “gather”?

Is there a way to consistently increase the vertical spacing between equation lines in a gather (or gather*) environment from amsmath? Specifically, I want to produce something like \begin{gather*} ...
11
votes
2answers
233 views

$\VDash$ Symbol in AMS math packages?

I'm trying to typeset some homework that deals with set theory and in particular I'm trying to write the "model-theoretic" notion of forcing. I put model-theoretic in quotes because I don't know the ...
11
votes
1answer
2k views

Is there a left-handed equivalent of \implies?

I’m aware of and use the \implies and \iff commands to denote right-handed implication and if and only if (so A=>B and A<=>B). I’ve been looking for a similar command for left-handed implication ...
11
votes
1answer
561 views

stmaryrd and boldsymbol: avoid warnings

Here are two examples: 1 \documentclass[a4paper,10pt]{article} \usepackage{amsmath} \begin{document} $\boldsymbol x$ \end{document} 2 \documentclass[a4paper,10pt]{article} ...
11
votes
2answers
192 views

How do I make “gather” object, place its self in the text, the same way as an equation object?

Assuming the amsmath package is installed. I found a difference between the way that an equation object and a gather object is embedded within the text. If an equation is beneath a line of text that ...
11
votes
2answers
182 views

Equation number enclosing parentheses misplaced with Polyglossia+Hebrew+amsmath

I am compiling the following MWE using XeLatex within TeXnicCenter and get a garbled equation number: \documentclass{article} \usepackage{amsmath} \usepackage{polyglossia} \setmainlanguage{hebrew} ...
11
votes
1answer
189 views

Compatibility between amsmath and exscale

Both the amsmath package and the exscale package define the delimiter macros \big, \Big, \bigg and \Bigg based on the internal macro \bBigg@. However, as the following minimal example reveals the ...
11
votes
2answers
496 views

How to do grid typesetting with amsmath?

Following the advice in the answer to this question, I did set a huge negative \lineskiplimit. However, it turned out that align got quite upset about this. So my question is: what would you ...
10
votes
4answers
208 views

How to vertically align each comma in the following 2 identical sequences?

The following output seems to be difficult to look up an item in the upper sequence with its corresponding item in the lower sequence as the commas are not vertically aligned. ...
10
votes
5answers
8k views

problem using option fleqn in amsmath package

I'm using the following code. What should I do if I don't want the fixed indent from the left margin of my page? ‎ \documentclass[‎fleqn,oneside‎]{article}‎ ‎\usepackage{amsmath}‎ .... \begin{align} ...
10
votes
4answers
4k views

How to show two groups of equations side by side: one implies the other?

I would like to show a bunch of equations can imply another bunch of equations, with double right arrow in between. Here are two trials of mine: one is to use another level of math mode to enclose the ...
10
votes
3answers
5k 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. ...
10
votes
4answers
324 views

What is the difference between aligned in displayed mode and starred align?

I am confused in choosing one of the following approaches. \documentclass{article} \usepackage{siunitx} %\sisetup{detect-all} \usepackage{amsmath} \parindent=0pt\relax \begin{document} The following ...
10
votes
2answers
3k views

Difference between (split, align) and (gather, aligned)?

Here is an MWE which shows that they seem to do the same thing. Is there any reason to prefer one over the other for typesetting groups of equations? I would prefer the align syntax because it allows ...
10
votes
2answers
1k views

Too small space when using \DeclareMathOperator

Currenlty I'm writing a math script (ring theory, PDF). When I need a new math operator I use \DeclareMathOperator from the amsopn-package. However I noticed some strange behaviour when using an ...
10
votes
2answers
2k 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} ... \\ ...
10
votes
2answers
150 views

Math equation typeset problem

I would like typeset equation on the figure below. I have problem with subsript text 1, 2, 3 and 4 under integrals. I try something like this: \begin{align}\label{fyz:eq_fey_null2} ...
10
votes
1answer
492 views

How can I make an overset symbol at the same size and height as \bar except with a different symbol?

Apologies for the cryptic title, but I was not sure how best to phrase the question in one sentence. I am essentially trying the create a vector symbol with \rightharpoonup as the top instead of the ...
10
votes
1answer
283 views

Using \vtop affects indentation of \intertext

I am using the \iteminput macro from the solution at How to adjust macro to respect current \linewidth? to import content from other TeX files. However, this appears to be effecting the indentation ...
10
votes
2answers
621 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 ...