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

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10
votes
2answers
539 views

Modify eqnarray to match that of amsmath's align

This is a follow-up question to \eqnarray vs \align. Sadly, some journals (and their accompanying document classes) still require the use of eqnarray to arrange a number of equations in a single ...
10
votes
1answer
425 views

Conflict between amsmath and pdfcomment

I use both amsmath and pdfcomment in one document. This leads to the references produced by (\ref{}) to appear like (zref@1) instead of numbers like (1). Without amsmath or pdfcomment this problem ...
10
votes
2answers
1k 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} \usepackage{parskip}...
9
votes
5answers
829 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 ...
9
votes
2answers
229 views

Nested amsmath environments with \newenvironment

Using the amsmath environment, I'd like to create a short-cut for \begin{equation*} \begin{split} ... \end{split} \end{equation*} But saying \newenvironment{eqs} {\begin{equation*}\begin{...
9
votes
2answers
5k views

Change equation font to Times New Roman?

How would I change equation font in the \begin{equation} environment to Times? For instance, I use this code in LaTeX: \begin{equation} \begin{split} {L_{CML}}\left( \theta \right) &=...
9
votes
2answers
4k views

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} \begin{...
9
votes
3answers
3k views

Cases with square brackets

How can I subdivide in cases with square brackets? I mean I want to write: ⌈ 2_i if ... rank (q, l) = | 2_i + 1 if ... ⌊ .... with square brackets, not ...
9
votes
2answers
2k views

Compact collapsing of equations and paragraphs

I want to duplicate the compact look of G. K. Batchelor's fluid dynamics book. Where a paragraph terminates such that the mathematical expression can collapse up into the vertical space of the ...
9
votes
3answers
7k views

\left and \right in equation across multiple lines [duplicate]

Possible Duplicate: Left/Right across multiline equation Could someone explain why I can't get the left and right commands to work correctly code: \documentclass{article} \usepackage{amsmath}...
9
votes
2answers
294 views

Kerning and long subscripts or superscripts

For really long sub(super)scripts, does it look bad to decrease the kerning? i.e. \lim_{n\to\infty}{\dfrac{1}{s_n^2}\sum_{i=1}^n \int_{|x-\mu_i|>\varepsilon s_n} (x-\mu_i)^2f_i(x)dx}=0 \lim_{n\...
9
votes
4answers
3k 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)] &&= 1....
9
votes
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 ...
9
votes
3answers
393 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
votes
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
votes
1answer
113 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
votes
1answer
207 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
votes
1answer
200 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} \usepackage{...
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 ...
9
votes
1answer
202 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} \[3x^3\] \[3x^2\] \[3x\] \[3\] \end{...
9
votes
1answer
5k views

`missing $ inserted` Error when not putting $ before and after array environment

Considering this answer I added $ before and after the array, i. e. before \begin{array} and after \end{array} in the following code. Then the former missing $ inserted Error was gone. \...
9
votes
1answer
517 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
votes
1answer
1k views

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
votes
1answer
4k 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
votes
1answer
5k views

Using \left( & \right) around amsmath's align delimiter (“&”)

I want to align equations (using the align environment from the amsmath package) inside matching \left( and \right) commands. For example: \documentclass[a4paper,12pt]{article} \usepackage{amsmath} ...
9
votes
1answer
622 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 ...
9
votes
1answer
1k 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
votes
2answers
429 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
votes
1answer
835 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
votes
2answers
374 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
votes
2answers
573 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
votes
2answers
525 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? \documentclass{...
8
votes
2answers
396 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
votes
3answers
345 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
votes
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
votes
2answers
396 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} \dfrac{C}{V}=\sin\...
8
votes
3answers
711 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
votes
3answers
112 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} \usepackage{...
8
votes
2answers
696 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
votes
2answers
3k 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 ...
8
votes
2answers
414 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 supported ...
8
votes
1answer
7k views

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
votes
3answers
4k views

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
votes
1answer
614 views

commath and \ifinner

The commath package use the TeX command \ifinner to select between inline math mode and display math mode. Because of this, it fail to work properly with some display math environments. In the breqn ...
8
votes
2answers
1k 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
votes
1answer
3k views

Equation reference undefined when using \cref and package{amsmath}

When I attempt to reference an equation using \cref{..} while also using the package amsmath the references appear as ?? in the outputted pdf. For example \documentclass[]{article} \usepackage{...
8
votes
1answer
611 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
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 \xrightarrow\...
8
votes
2answers
3k views

Does the intlimits option work in amsmath package?

AMSMath manual states that (1) "sumlimits (default) Place the subscripts and superscripts of summation symbols above and below, in displayed equations." (2) "intlimits Like sumlimits, ...
8
votes
3answers
353 views

Reduce space between 'genfrac' and indices

\documentclass{article} \usepackage{amsmath}% http://ctan.org/pkg/amsmath \DeclareRobustCommand{\eulerian}{\genfrac<>{0pt}{}} \begin{document} % Source: http://en.wikipedia.org/wiki/...