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MathGroup Archive 2006

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Re: How can I graph 3D vectors in Mathematica?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg67461] Re: How can I graph 3D vectors in Mathematica?
  • From: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>
  • Date: Mon, 26 Jun 2006 00:13:09 -0400 (EDT)
  • Organization: The Open University, Milton Keynes, UK
  • References: <e7lf3a$3ln$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Michael wrote:
> Hi, I am trying to figure out hout to make Mathematica graph 3D vectors. For example, I would like to graph
> 
> v = <sin(t), t, cos(t)>
> 
> However, I have not been able to figure out what lines to type in to output the graph.
> 
> I'm relatively new to the software, so any info would be great.
> 
> If anyone can help me figure out what to input in order to output the graph of this type of vector, I'd be very thankful!
> 
Hi Michael,

Mathematica standard package works only for 2D arrows.

To be able to draw 3D arrows, first download and install Harry Calkins' 
_MyGraphics`Arrow3D`_ [1]. Then, you could evaluate

In[10]:=
<< "Arrow3D`Arrow3D`"

In[11]:=
Show[Graphics3D[Table[Arrow3D[{0, 0, 0},
       {Sin[t], t, Cos[t]}], {t, 0, Pi/2, Pi/10}]]];

to get a bunch of vectors.

HTH,
Jean-Marc

1. http://library.wolfram.com/infocenter/TechNotes/4117/


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