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

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Typesetting system question related to amsmath [duplicate]

After consulting the existing questions and answers related to packages for Mathematical Equations, I found this recommendation, given by @cmhughes, advising to use amsmath. After including it in the ...
2
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2answers
50 views

Equation and math system on same line

To add a math system into a LaTeX document, I add to preambol \newenvironment{sistema}% {\left\lbrace\begin{array}{@{}l@{}}}% {\end{array}\right.} then in the document I do something like ...
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1answer
148 views

Epsilon and log functions

I m trying this T(n) \epsilon \left(\Theta(n^\log_22$\right) = $\Theta(n^\log_22 )$ = $\Theta(n)$ but i want below result. Is E sign is epsilon only . And also log bracket not coming properly and ...
7
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3answers
339 views

How to typeset piecewise functions [duplicate]

I don't know what the big { thing is called so can't search and when tried and write in LaTeX and didn't find this expression or structure in word either.
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1answer
78 views

Extra vertical space when using align and no numbering

I think I've found a small bug in the way the showonlyrefs=true option in mathtools works. Consider this semi-minimal example: \documentclass[12pt]{article} \usepackage[utf8]{inputenc} % UFT8 - ...
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2answers
1k views

How can I use align environment in conjuction with iopart.cls class?

I would like to use align environment over eqnarray for typesetting my equations. However the publisher forces to use the iopart.cls as the article class file which, as they mentioned, is incompatible ...
4
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1answer
57 views

Overarrow in latex

Hello I'm have created some Latex Matrix equations. But for remembering how it works i wanna create a matrix dimensions workflow like: \begin{align} &\hphantom{(2\times 3)( }% ...
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17 views

How to set equation number with respect to the article instead of chapter? [duplicate]

I am working on a paper which is based on a special template. I need to use the \chapter to organize by document. In each chapter, if I have \begin{equation}, the equation is number with the chapter ...
67
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4answers
13k views

What are the differences between $$, \[, align, equation and displaymath?

I once learnt, that it is uncool to use $$, but why is that? Why does \[ not act as a abbreviation to \begin{align}? I noticed, that there is a difference, since one cannot use & and \\ inside a ...
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1answer
55 views

Undefined control sequence with \overbar

can anyone tell me why I get an "undefined control sequence" error with the following code please? \documentclass[times]{fldauth} \usepackage{amsmath} \usepackage{amsthm, amssymb, amsfonts} ...
3
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1answer
36 views

How to put \varinjlim in the section name?

Here is (almost) minimal example of the file, which gives the error. \documentclass{article} \usepackage{amsmath} \usepackage[english]{babel} \begin{document} \section{Section name with varinjlim: ...
10
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2answers
184 views

How to globally put subscripts in math-mode in upright font using amsmath?

I'm often apply the subscript environment in math-mode to assign e.g. materials to material properties, $\eta_{oil}$, $\lambda_{air}$, etc. Not very mathematical but hey, I'm an engineer ;-) I'm ...
6
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2answers
54 views

Expand arrows within an array

Any ideia of how I can expand the \xrightarrow so that they all have the same size? (for aesthetics) \documentclass{article} \usepackage{amsmath} % \text nas equacoes \usepackage{mathrsfs} ...
5
votes
3answers
207 views

How to make large binomial coefficient?

I have a potentially-repeated question, but I was unable to find anything about this. So, I need to create a giant binomial coefficient in LaTeX (something around 1000pt). When I compile the below, ...
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4answers
76 views

line break in a centered cell of tabular

I have a table like in the following example: \documentclass[11p,twoside,a4paper,leqno]{article} \usepackage[utf8]{inputenc} \usepackage{mathtools} \usepackage{amsfonts} \usepackage{xcolor} ...
5
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2answers
79 views

How to mimic spacing around \bullet with \DeclareMathOperator?

I'm trying to define \conjunction by means of \textbullet instead of \bullet, since the latter looks too big in logical formulas. How can I make the spacing around \conjunction to behave like the ...
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0answers
47 views

Editor text color in align environment

I am using TeXworks to type up very long assignments. For the types of assignment I type up, I usually have many lines of equations of all sorts with interjections of normal text as explanations and ...
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3answers
143 views

Incorrect spacing after minus sign with combination of amsmath and hyperref

When no packages are loaded, no space is inserted after the minus sign of a negative number: \documentclass{article} \begin{document} \begin{equation} -1 = -1 % output: -1 = -1 \end{equation} ...
6
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2answers
135 views

More than two columns amsmath cases

I'm trying to use the cases environment to show an arbitrary equation. But I noticed that it only allows me to use 2 columns. However, I would require a third column, or perhaps a fourth as well. An ...
8
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2answers
107 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. ...
1
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0answers
35 views

How to construct block matrix with shadowed entries? [duplicate]

Is there a simple way of drawing matrices with shadowed blocks like the ones in the picture? I've tried something like Gonzalo Medina's proposal: %% with these packages loaded %% ...
8
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2answers
114 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} ...
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3answers
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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. ...
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0answers
14 views

Package for angle commands [duplicate]

I want to use the command "\angle". I have the "amsmath" package included im my document, and I can use any other math commands, but not this. What I need to do? It requires a different package? ...
3
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2answers
160 views

amsmath's multline and fleqn

As a fleqn fanatic, I run across this problem once every week: when splitting a long formula using amsmath's multline, the middle lines are flushed left: \documentclass[fleqn]{article} ...
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2answers
40 views

bmatrix, how to give details after particular row bracket[ ]?

I am new to LaTeX. I want matrix like in bmatrix [1 1 1] R1=R1-R2 (Row1= Row 1 - Row 2) 1 1 1 R2<-R1+R3 1 1 1 I want "R1=R1-R2" after the matrix [1 1 1] but when i add this its goes to ...
2
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1answer
76 views

Problem numbering equations properly

I'm trying to create some equations with amsmath with captions and references. I'd like to suppress the equation number in the margin. I know this can be done using the equation* environment but ...
3
votes
2answers
135 views

Redefining line break (double backslash) for align environment

I am trying to figure out if it is possible to (locally) redefine \\ (double backslash) within amsmath's align environment. On the one hand, I'd like to be able to dynamically insert extra columns, on ...
6
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2answers
74 views

Using \ensuremath inside \text

Using \ensuremath inside \text works fine and gives good results. However, I realized that the spacing in superscripts changes. I tried working with \mathchoice, but that doesn't know that it is in a ...
3
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0answers
25 views

mathspec and \RequirePackage{amsmath} error [duplicate]

In my package, I request amsmath with \RequirePackage{amsmath}, resulting in this basic setup: \documentclass{minimal} \usepackage{amsmath} \usepackage{mathspec} \RequirePackage{amsmath} % part of ...
14
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1answer
624 views

What causes this strange interaction between glossaries and amsmath?

MWE: greatly trimmed from a large document; XeLaTeX; full TeXLive2012 completely up-to-date: \documentclass{memoir} \usepackage{fixltx2e} \usepackage{amsmath} \usepackage{mathspec} ...
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1answer
61 views

Hyperbolic functions both produce error and result already existant when inserted in preamble

I'm trying to write hyperbolic functions like sech, csch, etc, Since amsmath doesn't recognize them in the form \sech, \csch, ... I wrote a preamble like \DeclareMathOperator{\sech}{sech} but I get ...
3
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0answers
64 views

How can I redefine \int to put a negative space after the integral sign, but keep the limits properly set?

I'd like to modify the \int command such that it adds an automatic negative space, e.g. \! after the integral sign. Preferentially, I'd like to be able to not edit any of my code, so cleverly ...
0
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1answer
49 views

Different math rendering in Beamer? [duplicate]

When using beamer for presentations, I notice that the rendering for math becomes quite different, and I really prefer the usual rendering, say, when typing a paper. The symbols look a bit less ...
2
votes
3answers
256 views

Best approach to write an multiline equation

What is best way to let LaTeX formate a long equation such that it matches between the borderrs of a page? As an example I have the following expression: \documentclass{scrartcl} ...
1
vote
2answers
55 views

Multiple labels for one line of alignment

I have these four equations thus aligned, and would like to label each of them separately, placing the labels to the left of the two equations on the left and to the right of the other two. So far, ...
0
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2answers
56 views

ams math environment, missing $ in equation mode

I'm trying to write some report in Latex, and I need to use amsmath further in the code, but since I added this package, the following piece of code stopped working (initially it was between \\[\\] ...
4
votes
2answers
79 views

Amsmath environments eating \active characters

\documentclass{amsart} {\catcode`\z\active \global\def\activate{\catcode`\z\active\defz{active}z}} \begin{document} {\activate z} %1 \begin{equation}\activate z\end{equation} %2 \begin{align}\activate ...
2
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1answer
25 views

Numbering equations in sections and sub-sections

In general, I would like to number equations using the sub-section number, so for example, if I am in sub-section 2.3, then it should number the first equation in this section (2.3.1). To do this, I ...
3
votes
2answers
72 views

How to fix uneven sizing of glyphs that are underset below some other text using \underset?

Here's a M(not)WE: \documentclass{article} \usepackage{amsmath} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsthm} \usepackage{mathtools} \usepackage{accents} \theoremstyle{definition} ...
6
votes
2answers
118 views

reduce vertical space for \xrightarrow

I find the vertical spacing of amsmath's \xrightarrow too large for the underset. Is there an easy way to reduce it (i.e. put "below" close to the arrow, in the example)? \documentclass{minimal} ...
1
vote
1answer
268 views

amsmath package clash

Just this afternoon I seem to have a package clash that resulted in all my equation numbers disappearing. I seem to have resolved the issue by putting \usepackage{amsmath} at the top of the preamble ...
1
vote
1answer
134 views

Derivatives are sized differently with commath [duplicate]

I'm writing a derivation in an upper level physics class and I use derivatives extensively. I'm using the commath package \od{}{} command and they are being sized differently in different places. ...
9
votes
1answer
672 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 ...
2
votes
0answers
56 views

Increase the thickness of a brace

I'd like to know if it's possible to increase the thickness of a brace. The code \documentclass[oneside]{article} \usepackage{amsmath} \usepackage{amsfonts} \usepackage{amssymb} ...
2
votes
1answer
96 views

“undefined control sequence” error with curly brackets

I'm writing a math equation inside which I have to express curly brackets. What I intend to write should look like {h_n}^infinity_0 My code is: \par The problem asks for estimates of the sizes ...
0
votes
1answer
301 views

Type of file to select for writing Math Thesis if I use latex from Kile [closed]

if I write a math. thesis using latex from Kile, then, while opening a new file in Kile, what is the option should I choose: article/book/report? Thank you!
0
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1answer
450 views

Latex showing “undefined control sequence” error when using cases inside align*

I am trying to use LaTeX to run the following code: \begin{align*} A\left(x\right)&= \begin{cases} 1, &\text{if } x \eq 1\\ 0, &\text{otherwise} ...
1
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1answer
59 views

amsmath: combine \nonumber and \label

I'd like to write something as \begin{align} f(x) & = x + 1 \nonumber \\ & =: \eqref{eq:foo} \label{eq:foo} \nonumber \\ g(x) & = x + 2 \nonumber \\ & =: \eqref{eq:bar} \label{eq:bar} ...
7
votes
2answers
152 views

Is the blkarray package compatible with Xetex and amsmath?

Running xelatex on the file \documentclass{article} \usepackage{amsmath} \usepackage{blkarray} \begin{document} \begin{blockarray}{c} 1 \end{blockarray} \end{document} gives the error ...