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

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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 ...
8
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3answers
267 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
1k 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
571 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
471 views

Equation number with an apostrophe

I am writing two equations in an align environment: \begin{align} x^2+y^2=z^2, \\ x^2=7, \end{align} I would like the first equation to be labelled with e.g. (1.1) and the second equation to be ...
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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 ...
8
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2answers
375 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?
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946 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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3answers
10k 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
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2answers
5k views

On \atop again: how to obtain the same result without warning

I know this question has been already discussed but the answer does not seem to work in my case. I am using the \atop command with the amsmath package to stack two symbols (more specifically $a=x$ ...
8
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3answers
13k views

Clean-Looking Piecewise-Defined Functions

I want to write a clean-looking piecewise defined function. There's a similar post here: How to write a function (piecewise) with bracket outside?, but I have follow-up questions. The two options I ...
8
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4answers
953 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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3answers
315 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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4answers
2k 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)] &&= ...
8
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3answers
1k views

A vertically centered equation number on a multline environment

The multline environment does exactly what I want in splitting a long formula between lines by utilizing the horizontal space to the fullest. (I don't want the alignment features of the align ...
8
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2answers
489 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
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3answers
512 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
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2answers
117 views

boldsymbol badly modifies spacing

In the example below, it is my feeling that \boldsymbol badly increases the horizontal spacing with the index: \documentclass[fleqn,11pt]{book} \usepackage{amsmath} \begin{document} ...
8
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2answers
1k views

Is it possible to typeset text inside math without amsmath?

Is it possible to typeset text properly inside math without amsmath? Typically I typeset short text using mathrm, or text (amsmath) within equation: $M_\mathrm{effective mass}$ $M_\text{effective ...
8
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1answer
528 views

Footnote from intertext

I want to be able to send footnotes from intertexts I use within align. Is there an easy way to accomplish this (say using a package)? For example, I am a little teapot \begin{align} this ...
8
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1answer
36k views

using subequations

I have an equation consisting of two parts and would like to use subequation for that. Here's the code: \usepackage{amsmath} \begin{subequations} \begin{equation} \operatorname{min}_{a,b,c} ...
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2answers
156 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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246 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 ...
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2answers
253 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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1answer
780 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 ...
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2answers
9k views

How to put the QED symbol of a proof at the right place inside align?

When a proof ends with a formula in equation or equation* environment, putting \qedhere after the equation would cause the QED symbol to appear in the right place. I.e. at the end of the line in which ...
8
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1answer
2k views

Trick LaTeX into doing double superscripts

I have a function in my .sty sheet that does a second partial derivative: \newcommand{\hpartdsq}[2]{\dfrac{\partial^2 #1}{\partial #2 ^2}} But I'd like to pass it something that already has a ...
8
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2answers
108 views

\bigl and \bigr in sub/superscripts

When typesetting expressions with multiple adjacent parentheses, I like to use \bigl and \bigr on the outermost parentheses to make it easier to read, especially with 3 or more parentheses in a row. ...
8
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1answer
2k views

eqref in captions with mathtools

I've now tried mathtools for the first time, for the sake of showonlyrefs. It works fine, except if I put an \eqref command into a figure caption, in which case I get: ! Argument of \@caption has an ...
8
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1answer
274 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 ...
8
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2answers
141 views

Increase size of fractions on multiple lines

Inside a matrix, I have some very loaded (subscripts, greek letters, \breve) fractions: \begin{equation} Q_r = \begin{bmatrix} \frac{\partial \breve{y}_r}{\partial \theta_1}\bigg|_{t_1} & ...
8
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1answer
276 views

\cee command (from mhchem package) doesn't allow \\[10pt]

when using \cee command (from mhchem package) within align environment, \\[10pt] doesn't work. It works in align environment without \cee. Is there a workaround? here is a MWE: ...
8
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2answers
144 views

Please help me input the following formula correctly

This is the formula I want to be made in LaTeX. The problem is to make this formula aligned. I've made something like this \begin{gather} 1 = \cos \, (\bar x, \bar x) = \cos^2 \, (\bar x, x) + ...
8
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2answers
307 views

Delimitershortfall in align environment

Can you explain why the \delimitershortfall cannot be modified inside a align environment? This is a MWE: \documentclass{article} \usepackage{amsmath} \begin{document} \begin{equation} ...
8
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2answers
495 views

minipage is wider than I wanted

Occasionally, the width of a minipage environment seems to be ignored. I've not kept accurate records of when this has happened. But below is purely illustrative code that shows the issue. ...
8
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1answer
418 views

Makeindex error when ! used in \index in align environment

See MWE below. The symbol ! in the \index causes an error. This is only the case in align environments (not in equation). So it seems to have to do something with amsmath. If ! is put in an \mbox ...
8
votes
1answer
2k views

Multiply defined labels using hyperref

I'm using the stackrel command to indicate important steps in the transformation of formulas. E.g. I would write: A\stackrel{(!)}{=}B so that I can later explain in text why exactly A equals B. I've ...
8
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2answers
250 views

Underarrow with smaller depth, shorter minimum length, and smaller arrow head?

I am using underarrows from amsmath to decorate messages with their direction, as in $\underleftarrow{\mathsf{msg}}$ () and $\underrightarrow{\mathsf{msg}}$ (). I am looking for a better underarrow, ...
8
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1answer
561 views

\eqref to give reference to a sequence of subequations

Suppose I have the following code \begin{subequations} \begin{align} a+b = c \label{eq.1}\\ d+e = f \label{eq.2} \end{align} \end{subequations} I want now that upon giving the reference, it ...
8
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1answer
427 views

Opposite of \allowdisplaybreaks

If i load the amsmath package it doesn't allows to break by default alignments across the pages in the multline, align, gather, alignat environments and their starred versions. Howewer it exists the ...
8
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1answer
2k views

What is the advantage of using the equation environment in latex?

My flatmate uses \flalign for all of his equations in LaTeX and after thinking about it, it makes sense. Is the \equation environment not just more restrictive? Is there ever an advantage to using the ...
8
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2answers
427 views

Revtex's tensor macro interferes with nested amsmath split and align environments

I've encountered a strange collision between RevTeX and AMSLaTeX. If I nest a split environment inside an align environment, it works as it should, but then the next time I use the RevTeX \tensor{} ...
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2answers
347 views

Typesetting a pattern matching equation

I want to typeset an equation for a paper. In the field of computer science we can define an equation that depends upon the form of one of it's arguments. I want to typeset this with LaTeX & ...
8
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2answers
299 views

Color fraction bar

What would be the easiest way to create a fraction whose bar can be coloured as desired? I know one can use the \genfrac{left-delim}{right-delim}{thickness}{mathstyle}{numerator}{denominator} command ...
8
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1answer
2k views

unicode-math and amsmath incompatible

When I compile the following mwe with xelatex, I am told: ERROR: LaTeX Error: Command \dddot already defined. --- TeX said --- Or name \end... illegal, see p.192 of the manual. l.571 ...
8
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2answers
1k 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 ...
8
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1answer
227 views

Align successive equations through the entire document

I am fairly new to TeX and need to create my math assignment with TeX. I have succeeded aligning all my calculations with the use of \begin{align*} and \intertext{}, however in my document i have ...
7
votes
5answers
443 views

How to change all \vec{} to \bf{}

I'm writing a paper and I used \vec{} to express all vectors. Now, I changed my mind and want to write them in bold letters using \bf{} for instance. Is there a fast way to change all that's been ...