Re: Re: Satellite Visualization!

• To: mathgroup at smc.vnet.net
• Subject: [mg82508] Re: [mg82503] Re: Satellite Visualization!
• From: DrMajorBob <drmajorbob at bigfoot.com>
• Date: Tue, 23 Oct 2007 05:26:52 -0400 (EDT)
• References: <fff546\$evq\$1@smc.vnet.net> <21514890.1193059379807.JavaMail.root@m35>

```In Drawgraphics6, evaluate

DrawGraphicsHelp

and under examples, this is the one called "Ellipse Area".

It's everything you need to know about elliptical orbits, with
derivations, pictures, and a very nice animation.

Bobby

On Mon, 22 Oct 2007 04:44:19 -0500, David Park <djmpark at comcast.net> wrote:

> Andery,
>
> I did an extended notebook on this topic ending up with an animation of
> the
> earth and a satellite (I called it RSS, Rational Solar Satellite,
> because it
> revolves exactly twice for every three orbits of the earth and thus the
> animation can run smoothly forever.)
>
> However, it happens that this is an extended example in my DrawGraphics
> package, which I sell for \$50, from my web site. You may not be
> interested
> because of that.
>
> The notebook is actually titled 'Mathematica Notebooks as Pedagogical
> Documents: Derivations of the area swept out by a focal angle in an
> ellipse'
> and the abstract is:
>
> "This notebook presents an example of the Mathematica style for tutorial
> and
> student essay notebooks that I advocate. It uses a structured notebook
> with
> textual discussion integrated with derivations, calculations and
> graphics,
> active calculation of everything and the generation of embedded
> knowledge.
> The notebook treats the derivation of an expression for the swept area
> in an
> ellipse as a function of focal angle. This result was first presented on
> the
> Internet by David W. Cantrell."
>

--
DrMajorBob at bigfoot.com

```

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