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

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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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3answers
375 views

amsmath - bidi - siunitx possible bug?

MWE: \documentclass{article} \usepackage[english]{babel} \usepackage{fontspec} \usepackage[detect-all]{siunitx} \usepackage{amsmath} \usepackage[math-style=ISO,bold-style=ISO]{unicode-math} ...
9
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3answers
2k 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 ...
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5answers
3k 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} ...
9
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2answers
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What is the Latex convention for sign function? [closed]

What is the correct type for sign(x)(signum function)? I'm using: \documentclass[journal,transmag]{IEEEtran} \usepackage{amsmath} \usepackage{amssymb} \newcommand{\sign}{\text{sign}} Is that ...
9
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1answer
521 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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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 ...
9
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1answer
109 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 ...
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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 ...
9
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1answer
193 views

How to increase the vertical space surrounding mathematical equations?

How can I, in a systematic way, increase the vertical space surrounding mathematical equations? \documentclass{article} \RequirePackage[ansinew]{inputenc} \usepackage{amsmath} \begin{document} Ah, ...
9
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1answer
197 views

Adaptively sized delimiters that don't go beyond the size of \bigl and \bigr

I would like adaptively sized delimiters, but only up to \bigl/\bigr-size. That is, there is variation only between ordinary/normal size and one size higher. \documentclass{article} ...
9
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1answer
201 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
480 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 ...
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
3k views

Placing equation number on left with reqno option in amsart document class

Is there a way to force individual equations to place their equation numbers (or more specifically the result of a \tag*{blah}) on a specific side of the page regardless of the options to amsart. I ...
9
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1answer
895 views

Switch between leqno and reqno options (of amsmath) in the same document

I'd like to know if it is possible switch between the leqno and reqno options in the same document keeping the numbering of the equations. Namely i use the reqno option (default for amsmath and the ...
9
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1answer
896 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} ...
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2answers
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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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2answers
396 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 & ...
9
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1answer
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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 ...
9
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1answer
762 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 ...
9
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2answers
340 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 ...
9
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2answers
569 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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2answers
487 views

What is wrong with defining \bal as \begin{align}?

I'm trying to define two commands \bal and \eal instead of inserting \begin{align} and \end{align} in my document, but in the code below, I'll get some errors. What is wrong with it? ...
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2answers
377 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 ...
8
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3answers
314 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
2k 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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2answers
370 views

How to make curly braces with several equations?

I am trying to type the following equations in LaTeX: What I currently have is: \documentclass{article} \usepackage{amsmath} \begin{document} \begin{align*} \left.\begin{aligned} ...
8
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3answers
659 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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3answers
100 views

How do I display verification of propositional logic in this way?

I want to typeset something like the following picture. I came up with \documentclass[oneside,12pt]{article} \usepackage{microtype} \usepackage[utf8]{inputenc} \usepackage[T1]{fontenc} ...
8
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2answers
591 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 ...
8
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2answers
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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
393 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 ...
8
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1answer
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Is there any way to use \ceil and \floor functions, without installing the mathtools package?

I can not install the mathtools package. Is there any way to create the \ceil and \floor functions without this package?
8
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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
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How can I put a matrix in a figure caption?

I would like to put a matrix in a figure caption. The following example demonstrates the idea: \documentclass{amsart} \usepackage{graphics, epsfig, psfrag} \begin{document} \begin{figure} ...
8
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2answers
982 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
1k 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
334 views

Reduce space between 'genfrac' and indices

\documentclass{article} \usepackage{amsmath}% http://ctan.org/pkg/amsmath \DeclareRobustCommand{\eulerian}{\genfrac<>{0pt}{}} \begin{document} % Source: ...
8
votes
2answers
531 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
1answer
572 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
votes
3answers
553 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
2answers
144 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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2answers
163 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 ...
8
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2answers
273 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
286 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
796 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
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 ...