{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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95
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4answers
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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 ...
9
votes
1answer
6k 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} ...
65
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 ...
22
votes
1answer
13k 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 ...
75
votes
3answers
279k 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 ...
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 ...
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 - \mu_0\...
24
votes
1answer
516 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 ...
21
votes
3answers
8k 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}+ {\partial^...
16
votes
2answers
17k 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 \\ ...
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 ...
25
votes
4answers
10k 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 | \ |--------...
21
votes
2answers
230 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 ...
8
votes
2answers
3k views

How to declare an operator with automatic argument bracketing

I'd like to have an easy way to declare an operator that brackets its argument with a particular delimiter. As an example I'd like to be able to write \Pr{X} to mean the same as \operatorname{Pr}\...
24
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| ...
11
votes
2answers
824 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 ...
10
votes
1answer
243 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 ...
5
votes
4answers
325 views

Incorrect delimiter size in math mode

The following code \documentclass{article} \begin{document} \[ \left|\tilde{\theta}\right| \] \[ \left|\theta\right| \] \end{document} produces the following output using pdfLaTeX (TeXLive 2012 ...
4
votes
1answer
666 views

How to make expanding middle delimitors like in the braket package

The braket package has convenient commands like \Braket and \Set, where | are automatically expanded vertically. This allows to easily typeset expressions like \documentclass{minimal} \usepackage{...
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
1answer
380 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 ...
43
votes
4answers
31k 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 ...
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 ...
12
votes
1answer
968 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} \...
31
votes
2answers
40k views

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

What are their uses and are they even standard?
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} \end{...
11
votes
4answers
798 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 ...
15
votes
4answers
433 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: \begin{gather*}...
15
votes
6answers
706 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 ...
13
votes
1answer
628 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 ...
7
votes
2answers
190 views

Delimited arguments and using a macro inside of itself

I wanted to play with delimiter sizing without using the \delimiterfactor, -shortfall, etc. and made the following: \newdimen\bigdim \bigdim = 1.9743ex \newdimen\Bigdim \Bigdim = 2.671ex \...
4
votes
1answer
204 views

How to get all the possible sizes of delimiters with Cambria Math

After this question, Cambria Math \bigg command doesn't work as expected, I discovered that Cambria has so many sizes of delimiters. I think the next logical step is to come up with a way of ...
7
votes
2answers
257 views

Arbitrary \left \right delimiters

Is there a package that would allow me to use other symbols/any symbol apart from the (among others) usual delimiters () [] {} | with \left and \right? For example, \(\left\int f(x) dx \right.\) ...
7
votes
2answers
304 views

Create a resizable symbol?

Some symbols can be resized automatically with \middle when placed between a \left. and a \right. They can usually also be resized using \big or \bigg. Examples of such symbols are |and / and pretty ...
4
votes
1answer
120 views

Why aren't the braces showing

I have this tex: \(\mu_{A}\left(x\right)\in \[0,1 \right\]\) The issue here is that [ and ] are not showing around 0,1, why is that? Thanks.
3
votes
2answers
405 views

Write this equation

I want to write this equation in this way down but I have been unsuccessful. How can I improve this codes in order to get the equation below? \[ DeltaC{t} = \left\{ \begin{array}{ll} -1.40- 0.588w_{...
2
votes
1answer
81 views

Listings - Only highlight between delimiters

I want to implement a function name color highlighting and I use the listings package. My 'regex' for this is def %s( where def (including space) is the first delimiter %s is the function name and ( ...
12
votes
1answer
435 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
2answers
12k 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
3answers
349 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: \leftcolor{color}<...
11
votes
2answers
243 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 (...
6
votes
1answer
317 views

Is there a reason NOT to use \left and \right?

I was reading the mathtools documentation on \DeclarePairedDelimiter, and apparently only the starred version of the command it defines uses \left and \right on the delimiters. This surprised me a ...
5
votes
2answers
443 views

Redefining brackets

In my thesis I'm working with a lot of brackets around fractions and every time I have to use \left( \frac{a}{b} \right). It can get really confusing if i have a long equation and a lot of fractions. ...
20
votes
5answers
828 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 ...
15
votes
2answers
415 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 ...
12
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 ...
10
votes
3answers
3k 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} \end{vmatrix}\middle/\...
9
votes
6answers
834 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. \...
7
votes
2answers
382 views

Can comment delimiters be typeset in a style different from commentstyle?

Using listings, I'm trying to typeset single-line comments in a very specific way: although whatever follows should be typeset according to the value passed to the commentstyle key, the opening ...