2
votes
1answer
172 views

New table-environment, spaces and enclosing { } in a new environment

It was hard for me to find a proper title (feel free to change it) for my question which I want to introduce with an example: Situation In my document I sometimes use tabus directly in the document ...
7
votes
3answers
224 views

Can \left( … \right) be instructed to ignore nonexistent upper or lower limits of summation? [duplicate]

In a formula such as \[ \left( \sum_{n\in\mathbf{N}} \right) \] the left and right delimiters extend not only downwards to cover the lower limit of the sum, but upwards an equal amount as if to ...
6
votes
2answers
222 views

Space added after \right

I have a problem regarding the space added by \right.. I have read this answer regarding the topic, where @egreg proposes a macro that deletes this space. However, when using this in my own ...
10
votes
1answer
1k 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 ...
6
votes
0answers
119 views

Spacing around \left and \right: When is it needed? [closed]

There have been a few questions (such as this and more recently this) regarding the "extra" spacing around \left and \right. And there are various options for fixing it, including the mleftright ...
7
votes
2answers
182 views

delimiters with exact size

I'm looking to get a delimiter at an exact and user specified (point) size, rather than the default "a discrete size big enough to hold the contents" of \left( etc. Is this possible? I've tried ...
12
votes
3answers
2k 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 ...
11
votes
1answer
338 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 ...
65
votes
4answers
4k 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 ...