Re: Magnitude of Vector
- To: mathgroup at smc.vnet.net
- Subject: [mg19382] Re: [mg19339] Magnitude of Vector
- From: BobHanlon at aol.com
- Date: Mon, 23 Aug 1999 13:57:04 -0400
- Sender: owner-wri-mathgroup at wolfram.com
Ed,
mag[x_?VectorQ] := Sqrt[x.x]
mag[{x, y, z}]
Sqrt[x^2 + y^2 + z^2]
Bob Hanlon
In a message dated 8/21/99 2:50:10 AM, emcbride at wybron.com writes:
>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.
>