Re: Magnitude of Vector
- To: mathgroup at smc.vnet.net
- Subject: [mg19406] Re: [mg19339] Magnitude of Vector
- From: "David Park" <djmp at earthlink.net>
- Date: Mon, 23 Aug 1999 13:57:18 -0400
- Sender: owner-wri-mathgroup at wolfram.com
>Was doing some stuff that required 3-D vectors. Found Dot and Cross, >but couldn't find a primitive operator for Magnitude. Is there one? If >not, there definitely should be. Ed McBride, P.E. > Ed, You will often have to define operations which you might think Mathematica should have provided. But it is easy enough... vectornorm[v_List] := Sqrt[v.v] David Park djmp at earthlink.net http://home.earthlink.net/~djmp/