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

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1answer
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Blank lines in align environment

Is there a way to insert a blank line between two equations in align environment? From what I understand a blank line is interpreted as \par and \par is not allowed in align. Can I disable this ...
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2answers
4k views

A medium dot in math mode

Is there a nice way to produce a medium-sized dot to use in a formula like this: $x_{i\cdot} = \sum_{j} x_{ij}$ The \cdot is not very visible.
9
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1answer
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Minimum length for \xrightarrow

I want to place text over arrows. The obvious choice is to use the amsmath command \xrightarrow{#1} However, sometimes the text above may be a single digit: %Example 1 \xrightarrow{1} other times ...
9
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1answer
568 views

How do I rescale an align environment on a beamer slide?

I'm trying to resize an equation on a beamer slide to make it larger. However, the usual approach of using \scalebox doesn't seem to work: \begin{frame} \scalebox{2}{ \begin{align} x &= y\\ y ...
9
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1answer
910 views

Aligning sub-equations within align

Update: How do I align both the \sum signs and the = signs in the last two equations? I have updated the picture. Original Question: When I use the following code: \begin{equation} \begin{split} ...
9
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3answers
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Using \gather and \align together

I'm very picky regarding alignment inside my proofs. What's frustrating me right now is that I have some lines that I want to be center-aligned (using \begin{gather}) and others that I wish to align ...
9
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1answer
7k 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'.
9
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1answer
409 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 ...
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2answers
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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} ...
9
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1answer
2k 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 ...
9
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1answer
531 views

How to typeset row operations on augmented matrix

I would like to typeset row operations on a augmented matrix, but the "gauss"-package does not seem to support the vertical line just before the last column, any way to do this? Thanks!
9
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1answer
91 views

\@ifnextchar inside pmatrix?

I created a function which handles a superscript followed after the function. I do that by using \@ifnextchar^. Everything works well, except in any pmatrix environment. Why? As a quick-and-dirty ...
9
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1answer
192 views

Ensuring that vertical space is consistent in list of polynomials

\documentclass{article} \usepackage[fleqn]{amsmath} \usepackage{mathrsfs} \usepackage{amsfonts} \pagestyle{empty} \setlength\mathindent{0pt} \begin{document} \[3x^3\] \[3x^2\] \[3x\] \[3\] ...
9
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1answer
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Why doesn't lineno number a paragraph when it is followed by an indented equation?

While searching for the source of missing line numbers, I realized that paragraphs followed immediately by an equation have no line number, but this is fixed when a space is included, e.g. the ...
9
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1answer
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Putting limits *underneath* new operators

I'd like to declare a new math operator called the "strong limit" as follows: \DeclareMathOperator{\slim}{s-lim} So it's just "lim" (i.e., \lim), but with an "s-" in front. I want to be able to ...
9
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1answer
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Integral limits with amsmath in LuaLaTeX

Also reading the thread about Making integral ∫ use \limits by default with unicode-math I'm not quite happy with the solution. With pdfLaTeX I use the code \documentclass{article} ...
9
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1answer
581 views

Alternative ways to format the cases environment in display math-mode

The cases environment of amsmath package is useful for defining a function that takes different values in different regions. For example: \documentclass{article} \usepackage{amsmath} \begin{document} ...
9
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1answer
6k 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 ...
9
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2answers
392 views

Cleveref: Parentheses around references to subequations using \labelcref

Using the Cleveref package (v0.19) i have a problem with missing parentheses when referencing to subequations, using the \labelcref command. Here is a MWE: \documentclass{article} ...
9
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1answer
3k views

How to fix this amsmath warning about redefining \vec

I am using the pss(b) template, which starts with, \documentclass[pss]{wiley2sp} % provides pss two-column style \usepackage{amsmath} %\usepackage{bm} % uncomment these two packages if ...
9
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1answer
557 views

ignoring vertical space due to overbraces 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 ...
9
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1answer
10k 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 ...
9
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1answer
3k views

Vertical spacing before and after equation environment: empty line or not?

The vertical spacing in front of and behind the amsmath equation environment is different whether I insert a blank line or not (im using KOMA-Script with parskip=half if this is important). I'd like ...
9
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2answers
534 views

amsmath align within list

In the code below, the equation within the itemize environment is too wide for the page, but I don't get an overfull hbox warning (which I find annoying because it's sometimes useful to know exactly ...
8
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3answers
23k views

How can I use an align environment flush left?

Is there a way possible to imitate the align environment for math mode commands, without having all writing being placed toward the center on the output page? MWE: \documentclass{article} ...
8
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2answers
303 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 ...
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2answers
317 views

Boxed equation with number

My minimum working example: \documentclass{report} \usepackage{amsmath} \begin{document} \begin{center} \boxed{K_{k+1}=P_ka_{k+1}^T(a_{k+1}P_ka_{k+1}^T+I_N)^{-1}} \end{center} \end{document} ...
8
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3answers
220 views

Control the alignment of each “cell” in amsmath's aligned environment

In amsmath's aligned environment, the alignment of each "cell", or each "column" is predetermined, and seems to work in the following way: the first "column" is aligned to the right, the second to the ...
8
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4answers
751 views

How to add partial horizontal lines in horizontally aligned math environments

I'm having trouble writing a proof of a theorem in LaTeX, where I need to sum a set of inequalities and continue the proof with this sum. The problem I have is that I'd like to introduce this step ...
8
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3answers
456 views

How to force alignment of “cases” brackets in an enumerate environment?

I am using the enumitem and amsmath packages to give the recursive definition of the valuation function $\nu$ for classical first order logic. The way I have it set up, the brackets of the cases are ...
8
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2answers
2k views

In exponents, parenthesis too small, \big too big

When something big (a fraction, a sum, an integral...) appears within a pair of parenthesis, one can typically use \left(...\right) to get delimiters large enough to surround the contents. The ...
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3answers
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How to put your symbol explanation for the formula?

I have a formula written in LaTeX. What is the best way to explain what the symbols mean in the formula? For example I have this equation with a where: symbol definitions \begin{equation} ...
8
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2answers
342 views

Is $ … $ okay to use, while $$ … $$ is not recommended? [duplicate]

Possible Duplicate: Are \( and \) preferable to $? According to Why is \[ ... \] preferable to $$?, $$ ... $$ should not be used. My understanding is, it is because $$ ... $$ is not ...
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3answers
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How do I make the \min and max bold?

Refering to this question How to make the table fit into the column? How should I make the \min and \max bold?
8
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2answers
862 views

\frenchspacing not setting the space factor codes correctly?

When I type \showthe\frenchspacing, I get the following output: > \frenchspacing=macro: ->\sfcode `\.1006\sfcode `\?1005\sfcode `\!1004\sfcode `\:1003\sfcode `\;1002\sfcode `\,1001 . Shouldn't all ...
8
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4answers
830 views

Better transitive closure of labelled arrow

I think the answer will be easy, but I haven't found it yet: I use labelled arrows like \xrightarrow\tau a lot. Sometimes, I need the transitive closure of such relations, which I write ...
8
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2answers
1k views

How to get the AMS mathbb font while using Palatino elsewhere

I'm a Latex user. I've been using Palatino for typesetting a piece mathematical text: \usepackage{mathpazo} \usepackage[scaled=.95]{helvet} \usepackage{courier} The results are good, however I ...
8
votes
3answers
248 views

Reduce space between 'genfrac' and indices

\documentclass{article} \usepackage{amsmath}% http://ctan.org/pkg/amsmath \DeclareRobustCommand{\eulerian}{\genfrac<>{0pt}{}} \begin{document} % Source: ...
8
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3answers
475 views

Clash between aligned environment and TikZ?

The following code mis-renders the multi-line label: \documentclass{article} \usepackage{tikz} \usepackage{amsmath} \begin{document} \begin{equation} \begin{aligned} \begin{tikzpicture} \node (A) at ...
8
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5answers
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How to properly subscript in a superscripted fraction?

the title says it all. It attached a MWE to display the different relative sizes of a subscript within a normal fraction and a superscripted fraction. As you can see, in the superscripted fraction the ...
8
votes
3answers
8k 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 ...
8
votes
5answers
2k views

Using \label with amsmath nested environments

First of all, I'm not sure these environments are supposed to be nested, but the fact is the alignment comes out exactly how I wanted, and no errors are issued. \documentclass[a5paper]{article} ...
8
votes
2answers
413 views

Interaction between \hdotsfor and colortbl: Bug/Feature?

When using package colortbl, the command \hdotsfor fails (partially), leaving too much white space before and after the dotted part. The mwe \documentclass{book} \usepackage{colortbl} ...
8
votes
3answers
2k views

Big forward slash in math

I have a equation in from of a=VERYBIGSTUFF / VERYBIGSTUFF And I would like to have a "verybig" forward slash in the middle of them. I dont like \frac mode, as I would like to have them ...
8
votes
2answers
140 views

Text misplacement with certains combinations of \mathring and \overline

If I try to compile the following document \documentclass{article} \usepackage{mathtools} \DeclareMathOperator{\Op}{Op} \begin{document} \[ 1 + \mathring \Op(4) = 2 \] \[ \overline{ 1 + \mathring ...
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199 views

Glossaries in Align Environment

Using glossaries commands in align environment seems to screw up the tag alignment. How can I use gls{...} commands in align environments without the tag position being altered? Consider the ...
8
votes
2answers
218 views

How to align multiple symbols for a long equation?

\documentclass[11pt]{article} \usepackage{xfrac, array, tabu, multirow, graphicx, setspace, dcolumn, tikz} \usepackage[fleqn]{mathtools} %the argument for d specifies the maximum number of decimal ...
8
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2answers
1k 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
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1answer
746 views

Amsmath has problems with $e^{\sum{x}}$

Running the code: \documentclass{article} \usepackage{amsmath} \begin{document} Test: $e^{\sum{x}}$ \end{document} Dies, yet it runs just fine with the \usepackage{amsmath} commented out. The logs ...
8
votes
1answer
4k views

Using `\allowdisplaybreaks` locally for a single chapter / single equation

I do have a longer paper. In one chapter I got several multiline equations, which I wrote using the align environment from amsmath-package. Actually those are quite long computations which should ...