Re: Shortcut for magnitude of a Vector?
- To: mathgroup at smc.vnet.net
- Subject: [mg26744] Re: Shortcut for magnitude of a Vector?
- From: adam_smith at my-deja.com
- Date: Fri, 19 Jan 2001 02:14:19 -0500 (EST)
- References: <9462eq$gck@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Using the dot prodcut is probably the simplest way. Try the following
In[1]:=
vec = {vx, vy, vz}
numvec = {3, 4, 5}
Out[1]=
{vx, vy, vz}
Out[2]=
{3, 4, 5}
In[3]:=
Sqrt[vec.vec]
Sqrt[numvec.numvec]
Out[3]=
2 2 2
Sqrt[vx + vy + vz ]
Out[4]=
5 Sqrt[2]
Adam Smith
In article <9462eq$gck at smc.vnet.net>,
" mrtommorris" <mor3752 at alltel.net> wrote:
> Does anyone know if there is a shortcut to find the magnitude of a
Vector in
> Mathematica? I've tried a few things but it just spits my vector
back out.
> Thanks for your help. Tom Morris
>
>
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