58 questions linked to/from Is it ever bad to use \left and \right?
87 views

### Automatically set length of vertical bars with \left and \right [duplicate]

If I write $\left||x|-|y|\right|$ I would expect it to look like the second of the following two expressions: which I got by writing $\Big||x|-|y|\Big|$ Shouldn't \left and \right adjust the ...
100 views

### Math mode: Why \left and \right is considered bad? [duplicate]

A most respected moderator repeatedly advises against the automation of \left and \right in math mode. (Among others, here is one.) There must be some good argument behind that. I am just curious, why?...
69 views

Why $f\left(x\right)$ adds a space between f and the opening parenthesis while $f(x)$ does not? Is the space anyhow more correct typesetting for a function? If not, is there a way to remove the space ...
68 views

### How to correctly set functions using \left( and \right)? [duplicate]

If one uses \left( and \right) to set functions an extra space is created between the function name and the brackets. How does one correctly set functions? \documentclass{article} \begin{document} ...
58 views

### Why is \left( discouraged? [duplicate]

From George Grätzer's Book; More Math Into LaTeX (5th edition) at the subsection 2.6 Your errors: Davey's Dos and Don'ts, it is mentioned that when you submit an article to a journal, Don't use \left\...
35 views

### Should \left and \right almost be used for brackets? [duplicate]

Apart from automatically setting the size for brackets, the commands \left and \right also adds spacing around the corresponding brackets. The spacing in which one uses both \left( and \right) and ...
27 views

### Non-equal spacing comparing between \left, \right and their \big equivalents [duplicate]

The following two examples differ only with that in the first \left and \right are used, and in the second they are replaced with equivalent \Biggl and \Biggr. But spacing differs slightly. Why?  \...
15 views

### Matching delimiter sizes in a split equation [duplicate]

When writing long equations using amstex split, is there a way to match delimiter sizes from one line to the next? Since we're "forced" to close them before the line breaks (using \right.), I'm not ...
17k 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 ...
225k 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 ...
15k 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 ...
6k views

### Macro for \left( and \right)

I know there has been discussion about this topic, but I haven't seen a working solution. Is it possible to define a macro within LaTeX, such that inside math mode, ( would produce \left( and ) would ...
18k views

### Difference between \big[ and \bigl[

What is the difference between \big[ (or equivalently \big() and \bigl[? Is it always necessary to mention l (left) and r (right)?