From e7dd5245c35d2794f59bcf700a6a92009ec8c478 Mon Sep 17 00:00:00 2001 From: Preston Pan Date: Fri, 28 Jun 2024 21:30:42 -0700 Subject: stuff --- mindmap/del operator.org | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'mindmap/del operator.org') diff --git a/mindmap/del operator.org b/mindmap/del operator.org index 3d9e2f5..657ff69 100644 --- a/mindmap/del operator.org +++ b/mindmap/del operator.org @@ -107,6 +107,6 @@ It returns a scalar field and is the multivariable analogue to the second deriva and gradient have been described, I feel it is trivial to understand the Laplacian. ** Product Rules -The product rules pertaining to the del operator are consistent with that of linear algebra and single variable derivative rules. +The [[id:d1e245f4-0b04-450e-8465-a9c85fe57f7e][product rules]] pertaining to the del operator are consistent with that of linear algebra and single variable derivative rules. For example, \( \vec{\nabla} \times \vec{\nabla}f = 0\). You can show this yourself quite easily, so I find no need to go over it here. When in doubt, just assume the del works the same way as any old vector except you apply the [[id:d1e245f4-0b04-450e-8465-a9c85fe57f7e][product rule]], and you will usually be correct. -- cgit