Linked Questions

143
votes
6answers
14k 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 ...
115
votes
4answers
205k views

“(” or “\left(” parentheses?

What is the difference between ( and \left( in LaTeX? Sometimes, when the content is small, it does not seem to matter which pair I use. What is the best practice when it comes to which parentheses ...
56
votes
8answers
12k views

Automatic left and right commands

Is it possible to automatically "add" \left and \right commands in front of all brackets? The source code should be left intact, but LaTeX should interpret every pair of brackets as if they were ...
50
votes
4answers
3k views

Is it ever bad to use \left and \right?

For mathematics, is it ever disadvantageous to use \left( and \right) in equations? I can't see any way that doing this would hinder the typesetting, so why isn't () just converted into \left( \...
10
votes
6answers
2k views

Why doesn't TeX/LaTeX have reasonable defaults in certain cases?

I am in constant search for an alternative to LaTeX, but it seems I am stuck for it for a long time, and I am trying to see the bright side of it. The other day one thought struck me, I think, LaTeX ...
31
votes
2answers
2k views

What is the differences between mathcode and catcode and how can I use mathcode?

The command \catcode is often used to change some internals. E.g. the command \makeatletter changes the catcode @. But what is \mathcode and how does it work? catcodes are well explained here: Wiki ...
6
votes
3answers
5k views

Can I make LyX automatically use 'smart' parentheses [\left( \right)] in math mode?

When I type in math mode I always prefer to use the parentheses using \left and \right. Currently, I go into math mode and then press the button on the ribbon that appears in this mode and creates ...
4
votes
1answer
204 views

Changing ( and ) to \left( and \right)

Are there any plans to have the LaTeX automatically read all ( and ) to automatically become \left( and \right)? If so, then when can we expect the update?
4
votes
1answer
445 views

Replace regular parenthesis with stretching versions

I have nearly finished writing my ph.d. thesis, and throughout I've been using regular parenthesis mostly, for everything math. Now, I'd like to replace all instances of (...) by their \left(...\right)...
6
votes
0answers
179 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 ...
0
votes
2answers
139 views

How to do this in latex [duplicate]

How to write this formula: How can I read symbol e?
1
vote
1answer
95 views

Outputting effective size of \left(…\right) parentheses

I am trying to get rid of \left( and \right) in my document while maintaining the mostly appropriate size of parentheses. However, there are maybe a couple dozen (or more) occurrences, and I would ...