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| author | Yuchen Pei <me@ypei.me> | 2019-03-20 10:43:00 +0100 |
|---|---|---|
| committer | Yuchen Pei <me@ypei.me> | 2019-03-20 10:43:00 +0100 |
| commit | 2a977610502fd376ec4dec318fb5222bfbcbe4ee (patch) | |
| tree | 60b5c0e9f8c47e307df633133bcee8c4e6493a9b | |
| parent | fe08c00731ed4b54a0656511009b8c9f4f5f8198 (diff) | |
more notations
| -rw-r--r-- | pages/notations.md | 4 |
1 files changed, 4 insertions, 0 deletions
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. $(- \alpha)_+$. |