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| -rw-r--r-- | pages/notations.md | 4 |
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diff --git a/pages/notations.md b/pages/notations.md index eb50bcc..2980a08 100644 --- a/pages/notations.md +++ b/pages/notations.md @@ -47,3 +47,7 @@ elsewhere. have the same distribution. - $\mathbb E f(\xi)$: expectation of $f(\xi)$. - $\mathbb P(A)$: probability of event $A$. +- $a \wedge b$: $\min\{a, b\}$. +- $a \vee b$: $\max\{a, b\}$. +- $(\alpha)_+$: the positive part of $\alpha$, i.e. $\alpha \vee 0$. +- $(\alpha)_-$: the negative part of $\alpha$, i.e. $(- \alpha)_+$. |