{delimiters} are characters used to specify the boundary between separate blocks/groups of text. They are typically used in {macros} or {math-mode} constructions.

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93
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4answers
7k views

Spacing around \left and \right

Why does the addition of a \left and \right introduces an extra space around the formula? Specifically, why do $\cos(\theta)$ and $\cos\left(\theta\right)$ render differently? Is there a way to use ...
71
votes
3answers
266k views

Big Parenthesis in an Equation

I have an equation contained inside \[...\], which automatically makes a \sum with sub- and superscripts turn big--so that the summation sign looks awkward inside parenthesis. Any idea how to make ...
64
votes
2answers
13k views

automatic size adjustment for nested parentheses

As I prefer outer parentheses to grow larger in nested expressions, I happen to insert \bigl and \bigr and its larger cousins a lot. I have always wondered whether there is a way to do this ...
43
votes
4answers
29k views

Latex: Nice abs

I have this expression: |x-|x-|x-4||| Now, every | sign has the same size, but I'd like to make the outward pairs bigger. Is it possible to do it automatically, or do I have to define the size of ...
30
votes
2answers
37k views

What do the pieces of LaTeX, \left and \right, respectively mean?

What are their uses and are they even standard?
25
votes
2answers
9k views

Escaping square braces [closed]

I want to use some text as the optional parameter to some command. The text includes square braces ([ and ]), but since the optional parameter goes within square brackets, unexpected things happen. ...
25
votes
2answers
4k views

Should one use thousands separators in equations?

I understand that this is not strictly a TeX question but I have recently been asked to correct an equation presented as the first example in the image below to that of the second example i.e., to use ...
24
votes
4answers
9k views

Align large vertical delimiters (brackets) to rows of a table?

I’m trying to typeset a table of data, with brackets (i.e. }) at the right-hand side to show a classification of the rows.  Something like: ----------------------- | Aardvark | Armenia | \ ...
24
votes
1answer
506 views

Sloppy \left and \right?

The \left and \right commands often produce improvidently large delimiters. It almost always looks better to use delimiters that are just slightly too small than delimiters that are too large. With ...
23
votes
4answers
714 views

Design of new brackets

There are many types of brackets (), [], {}, ||, <>, etc. In the context I use them all have already a fixed mathematical meaning; therefore I need another one. The brackets I use have two ...
23
votes
2answers
7k views

divides, not divides and cardinalities

In group theory it happens very often that you want to say: "The order of $H$ divides / does not divide the order of $G$." But the length of | is then always the same: $ |H| | |G| $ produces |H|||G| ...
21
votes
3answers
7k views

Why use the control sequences \bigl, \biggl, \bigr or \biggr, as I can always use \big or \bigg?

If my manuscript file has $$\biggl({\partial^2\over \partial x^2}+ {\partial^2 \over \partial y^2}\biggr)\bigl|\varphi(x+iy)\bigr|^2 = 0$$ or $$\bigg({\partial^2\over \partial x^2}+ ...
21
votes
2answers
227 views

\( \) don't work with TOC?

If I write this line of code \subsection{Ranger \( n \) boules distinguables dans \( M \) boîtes} I obtain an error over the second \) (./Probabilité.toc ./Probabilité.toc:8: LaTeX Error: Bad ...
20
votes
1answer
12k views

About big parenthesis larger than Bigg

Do any one know how to type a very big parenthesis in LaTeX. Since the formula is very big, I used multline environment, in one line, there are many pair of parenthesis by using \left and \right which ...
20
votes
3answers
1k views

How can I create a new extensible symbol?

Given an arbitrary thin vertical symbol, can I create a new math delimiter from it (and if so, how)? Edit: Ideally, I would like to be able to create an extensible symbol, either built out an ...
19
votes
5answers
795 views

Brackets around a sum that has no top limit

MWE: \documentclass[12pt]{article} \usepackage{amsmath} \begin{document} \thispagestyle{empty} \[ \mathcal{F} \left\{ \sum_j e^{-2i\pi\nu_j t} \right\} \] \end{document} Result: The sum only ...
17
votes
4answers
5k views

Spacing between triple vertical lines

I would like to create a norm-like operator with 3 verticals bars instead of two. It has to look like $|||\cdot|||$. I would like to know how to decrease the spacing between the vertical bars such ...
17
votes
2answers
896 views

Vertical spacing of \sin and \cos

This is a random, silly question. I was writing two versions of my calc 1 final and came across something that is going to bug the crap out of me. I have noticed a different spacing format for one ...
15
votes
6answers
686 views

How to change the item separator in TikZ foreach command

I want to cycle over several sentences using a foreach loop. Now sentences will prpbably contain commas, which are used by foreach as item separators. So I would like to change the item separator to ...
15
votes
2answers
16k views

Linebreak between \left and \right [duplicate]

Possible Duplicate: How to make \left, \right pairs of delimiter work over multiple lines? I would like to type something like this: \begin{equation} \begin{split} \left( ba ba ba ...
15
votes
4answers
405 views

“Evaluated at” bar for derivatives: \Bigr, \biggr, or \left…\right?

I'm trying to determine if there is a best practice for typesetting the "evaluated at" bar for derivatives. The three possibilities I'm thinking of are shown in the code excerpt below: ...
15
votes
2answers
408 views

Strange behaviour of binomial coefficient's delimiters

This question led to a new package: fixcmex While writing down my Combinatorics exercises I found that the binomial coefficient's delimiters weren't displayed as indicated inside the amsmath ...
14
votes
3answers
5k views

Using ] and [ as math symbols, not delimiters

I'm writing some topology up, and I prefer to use the notation ]a,b[ to denote an open interval as opposed to (a,b), since the ( and ) symbols tend to be over used in this subject. Is there a ...
14
votes
2answers
6k views

How to typeset a matrix with MathJax?

I need to typeset a matrix with square brackets as delimiters for math.se (I believe they use MathJaX). How would I do that?
14
votes
1answer
7k views

How can I have a bigger integral (\int) delimiter?

I'm writing some integrals and I don't like the way the \int symbol is displayed when it is followed by a big delimiter. Here's the code: \[ \int_S\biggl(\nabla\times\bar B - \mu_0\bar J - ...
14
votes
1answer
134 views

A robust command for French-style intervals

In France, we usually write open or half-open intervals as ]a,b[ or [a,b[, not (a,b) or [a,b). I especially do not like (a,b) as it can be confused with an ordered pair. I have therefore defined an ...
13
votes
1answer
600 views

Macro delimiter

I'd like to have a macro to split up another macro content, with field separator being a space. So: \def\mytext{foo bar} \def\secondof#1 #2{#2} \secondof\mytext What? What do you mean: "runaway ...
12
votes
2answers
389 views

Manually controlled size of delimiters in macros

I am using the amsmath package and I'd like to control the size of my delimiters manually, i.e. using the \bigl, \Bigl, ... , \Bigr, \bigr commands, instead of \left, \middle, \right. Now I want to ...
12
votes
2answers
1k views

How can I force \left, \right delimiters to automatically (!) have the same size despite line breaks?

This code \documentclass{article} \usepackage{amsmath} \begin{document} \begin{align*} \begin{split} z = \left( a + b + c \right. \\ \left. + \frac{d}{e} \right) \end{split} ...
12
votes
1answer
950 views

Correct delimiter height in TikZ

When using the left delimiter and right delimiter options, I am having the problem that their height is not equal to the node they are surrounding. Here is an example: \documentclass{article} ...
12
votes
1answer
344 views

mathtools brackets larger than \Bigg

I'd like to use the syntax of the mathtools package to generate brackets larger than \Bigg. One can create larger brackets than \Bigg of specified size using About big parenthesis larger than Bigg ...
11
votes
4answers
2k views

Regarding sizing of delimiters

I'm currently writing my dissertation in civil engineering using LaTeX. I think LaTeX is really good. I have been slowly distancing myself now from Microsoft Word. LaTeX is good for me since my paper ...
11
votes
2answers
352 views

How to color delimiters

I have some special delimiters that I want to add to a glossary, those get hyperlinks and colors etc. However when i want to use those delimiters, using \left, \right and \middle becomes impossible. I ...
11
votes
3answers
225 views

Command delimited by return or blank line

I have this document \documentclass{scrartcl} \long\def\quotenextparagraph#1 {\begin{quote}#1\end{quote}} \begin{document} Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod ...
11
votes
2answers
821 views

Is there a command for large middle delimiters consistent with \bigl and \bigr?

After browsing through related threads, I am now of the understanding (please correct me if I am wrong) that the rule of thumb is to use the \bigl,\bigr pair with brackets, parentheses, etc. for ...
11
votes
3answers
344 views

Defining a macro for “real” colored delimiters

I recently looked up J. van Hoorn's question on How to color delimiters in Math Mode, and so I decided to test my LaTeX knowledge by trying to define a new appropriate command: ...
11
votes
1answer
211 views

(Re)definition of commands that use delimiters other than braces (e.g. \underbrace)

How do you go about redefining a command such as \underbrace, which uses an "uncommon" delimiter, i.e. _, between its two arguments, so that the redefined command be usable in exactly the same way as ...
11
votes
2answers
10k views

Derivatives: enter “evaluated at” vertical bar with multiple values as subscripts

Sorry for the long title, but how do I enter evaluated at (for a derivative), with multiple valuation criteria at the bottom of the the big | line? Thanks!
11
votes
2answers
236 views

Maintainable typesetting of placeholders in code snippets

I'm looking for a maintainable way of typesetting placeholders in code snippets. In my listings, I would like that anything contained between the two delimiters @< and >@ be typeset in ...
11
votes
4answers
774 views

Is there a package for warning about unbalanced delimiters?

I'm copy-editing a rather lengthy set theory book. One thing I'd like to check systematically is whether all left-right unambiguous delimiters (parentheses brackets curly, square and angle) are ...
11
votes
1answer
3k views

Easily change behavior of \DeclarePairedDelimiter

After seeing the answer to this question I realized that I preferred the way of working of Juan A. Navarro's answer: I.e., \DeclarePairedDelimiter{\parens}{\lparen}{\rparen} from mathtools is a ...
11
votes
1answer
409 views

bracket with doubled delimiters

I want to typeset Hilbert-Schmidt-Products as the Liouville-Equivalent of the Hilbert Space Braket, with doubled delimiters, like this: \Lbraket{\rho|\rho} results in <<rho|rho>>. I was ...
11
votes
1answer
366 views

Compatibility between amsmath and exscale

Both the amsmath package and the exscale package define the delimiter macros \big, \Big, \bigg and \Bigg based on the internal macro \bBigg@. However, as the following minimal example reveals the ...
10
votes
6answers
579 views

Adjust the height of the “|” in a mathematical term

I have a mathematical term produced by two different pieces of code: \displaystyle H\left(\frac{1}{2},\frac{1}{2}\left|_{C_{k}=1}\right.\right) \displaystyle ...
10
votes
3answers
2k views

Look for a bigger delimiter than \Bigg

\documentclass{article} \usepackage{amsmath} \begin{document} \[\left. \begin{vmatrix} a_{11}&a_{12}&a_{13}\\ a_{21}&a_{22}&a_{23}\\ a_{31}&a_{32}&a_{33} ...
10
votes
1answer
97 views

\DeclaredPairedDelimiter vs \newcommand

When should I use \DeclarePairedDelimiter and when should I use \newcommand? For example I have defined %Ceiling function \DeclarePairedDelimiter\ceil{\lceil}{\rceil} %Floor function ...
10
votes
1answer
231 views

Using end-of-line delimiter in plain Tex macro

How is it possible to use the end-of-line character as a macro parameter ? I would like something along the lines of : \def\mymacro#1\endlinechar{Content:#1} \mymacro First content \mymacro Second ...
10
votes
1answer
93 views

Scan argument for parentheses

I'd like to define a macro which expands to (#1) if #1 does not contain any parentheses, but expands to \big(#1\big) if it does. I'd choose simplicity over generality: if a solution works in the most ...
10
votes
1answer
188 views

Is there a package to differently color nested expressions in the output?

Say I have an expressions like $(\sin(x-3(z^{(x-2)^2}))+1)^2$ with many nested expressions. To better visualize this in the output (and to help finding missing delimiters when proof-reading) I'd like ...
9
votes
6answers
812 views

A curly brace with an asymmetric cusp

I am trying to write one set of equations implying the next, inline with text. What I would like to do is something like the following: \documentclass{article} \begin{document} And so, \(\left. ...