According to texdoc symbols: \mvert and \mid are identical and produce a relation. \vert is a synonym for | and both produce the same symbol, but should be used in the context of an …

Oct 2, 2019 · In short, \bigl\vert <some math atom> \bigr\vert is definitely better than \big\vert <some math atom> \big\vert, typographically speaking, as it produces the correct spacing in all …

Jun 18, 2024 · I am considering the notation \newcommand{\f}[3]{f\left(#1; #2 \lvert #3\right)} As you can see, the top formula has \vert size as default. I want the latter formula, How do I …

Also, you have $\vert$ and $\Vert$. Since you mention using a vertical bar as a binary relation, you may want $\mid$ which is kerned to sit midway between its neighbours. But that has no …

Nov 23, 2018 · It's wrong to say that the text should be written \left\vert a\right\vert. The correct way (with amsmath) is \lvert a\rvert; \left and \right may be added (but in many cases \bigl or …

Feb 6, 2025 · At the 3rd line of the following code, the curly brackets appear too big. But if \\left is removed, the curly brackets appear too small. I wonder if there is a way to get a right size of …

For the MWE below, I've actually set the spacing between the vertical bars to be slightly less than what's generated by \[l,r]Vert -- you can adjust the spacing to suit your taste by changing the …

I need to write norm of sum, but the sum symbol is larger than tho norm symbol (||) and it doesn't look good. Is there any symbol for norm which will adjust its size? …

Aug 16, 2015 · The vertical bar produced by | or \vert has TeX math type "ordinary", meaning that no special meaning is attached to it. Quite often, though, it's necessary to inform TeX that the …

Sep 24, 2022 · Is there a way to produce this? \\substack does not suit the need, because in that case x=a will take the place of y=b, and y=b will move lower to produce an ugly output like this