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. >