[math]\displaystyle{
\def\hs{\hspace{-3px}}
\def\lvsp{{}\mkern-5.5mu}{}
\def\rvsp{{}\mkern-2.5mu}{}
\def\llangle{\left\langle\lvsp\left\langle}
\def\lllangle{\left\langle\lvsp\left\langle\lvsp\left\langle}
\def\llllangle{\left\langle\lvsp\left\langle\lvsp\left\langle\lvsp\left\langle}
\def\llbrack{\left[\left[}
\def\lllbrack{\left[\left[\left[}
\def\llllbrack{\left[\left[\left[\left[}
\def\llvert{\left\vert\left\vert}
\def\lllvert{\left\vert\left\vert\left\vert}
\def\llllvert{\left\vert\left\vert\left\vert\left\vert}
\def\rrangle{\right\rangle\rvsp\right\rangle}
\def\rrrangle{\right\rangle\rvsp\right\rangle\rvsp\right\rangle}
\def\rrrrangle{\right\rangle\rvsp\right\rangle\rvsp\right\rangle\rvsp\right\rangle}
\def\rrbrack{\right]\right]}
\def\rrrbrack{\right]\right]\right]}
\def\rrrrbrack{\right]\right]\right]\right]}
\def\rrvert{\right\vert\right\vert}
\def\rrrvert{\right\vert\right\vert\right\vert}
\def\rrrrvert{\right\vert\right\vert\right\vert\right\vert}
}[/math][math]\displaystyle{
\def\abs#1{\left|{#1}\right|}
\def\norm#1{\left\|{#1}\right\|}
\def\floor#1{\left\lfloor{#1}\right\rfloor}
\def\ceil#1{\left\lceil{#1}\right\rceil}
\def\round#1{\left\lceil{#1}\right\rfloor}
\def\rround#1{\left\lfloor{#1}\right\rceil}
}[/math]
Usage
Pre-defined LaTeX control sequences
| Operator |
Example |
Definition
|
| You type |
You get
|
floor |
\floor{x + y} |
[math]\displaystyle{ \floor{x + y} }[/math] |
Floor (round down)
|
ceil |
\ceil{x + y} |
[math]\displaystyle{ \ceil{x + y} }[/math] |
Ceiling (round up)
|
abs |
\abs{x + y} |
[math]\displaystyle{ \abs{x + y} }[/math] |
Absolute value (magnitude)
|
round |
\round{x + y} |
[math]\displaystyle{ \round{x + y} }[/math] |
Round (to the nearest integer)
|
rround |
\rround{x + y} |
[math]\displaystyle{ \rround{x + y} }[/math] |
"Reverse round" (distance to nearest integer)
|
hs |
\hs{} |
Narrow whitespace
|
See also