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### Easily change behavior of \DeclarePairedDelimiter [duplicate]

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 great ...
812k views

### Absolute Value Symbols

What is the "best LaTeX practices" for writing absolute value symbols? Are there any packages which provide good methods? Some options include |x| and \mid x \mid, but I'm not sure which is best...
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 ...
273k views

### 'Floor' and 'ceiling' functions

Is there a convenient way to typeset the floor or ceiling of a number, without needing to separately code the left and right parts? For example, is there some way to do $\ceil{x}$ instead of \$\lceil ...
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 ...
2k views

### How can I automatically abbreviate page ranges in citations (biblatex)

I am using biblatex for my citations, and I was wondering if there was a way to automatically abbreviate the page ranges in citations. (The reason I ask is because I have them all in long-style, and I ...
528 views

### Convert all \subsection to \subsection*

I want all of my \subsection behave like \subsection* Instead of adding * everywhere, I like to add a few lines in the preamble. What should I do? Can I just \renewcommand?
421 views

### Cause DeclarePairedDelimiter to switch starred and nonstarred versions

I've made lots of use of the answer here, which shows how to switch the starred and nonstarred versions of a paired delimiter command (causing the regular version to automatically size the delimiters)....