diff options
Diffstat (limited to 'mindmap/factorial.org')
| -rw-r--r-- | mindmap/factorial.org | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/mindmap/factorial.org b/mindmap/factorial.org index 345fe39..2f738b1 100644 --- a/mindmap/factorial.org +++ b/mindmap/factorial.org @@ -5,4 +5,11 @@ #+author: Preston Pan #+options: num:nil #+html_head: <link rel="stylesheet" type="text/css" href="../style.css" /> -#+options: tex:dvipng + +* Introduction +The factorial [[id:b1f9aa55-5f1e-4865-8118-43e5e5dc7752][function]] $n!: \mathbb{N} \rightarrow \mathbb{N}$ describes the amount of ways one can arrange $n$ differentiable objects. In practice: +\begin{align*} +0! = 1 \\ +n! = (n - 1)! \times n +\end{align*} +is a [[id:8f265f93-e5fd-4150-a845-a60ab7063164][recursive]] definition of the factorial. |