A89: Re: Graphing Stuff

To: <assembly-89@lists.ticalc.org>
Subject: A89: Re: Graphing Stuff
From: "SirKnight" <sirknight@mindless.com>
Date: Tue, 23 Feb 1999 16:10:22 -0800
Delivered-To: assembly-89-outgoing@towerguard.unix.edu.sollentuna.se
Delivered-To: assembly-89@lists.ticalc.org
Reply-To: assembly-89@lists.ticalc.org


>Hey,
>    A TAD bit off topic, not much though - does anyone know the graph for
>the 3d graph on the front of the Ti-92 box?  Or any cool 3d graphs
>otherwise?  I've done some cool stuff with polar graphing, but nothing 3d
>yet. Thanks.


A cool one that comes close

z1(x,y)=cos(sqrt(x^2+y^2))*(10-sqrt(x^2+y^2))/2

Basically the cosine of the distance to the origin, but modified a little.

Also

z1(x,y)=tan(sqrt(x^2+y^2))

That one does some neat things.

Also

z1(x,y)=rand()

That one also does some neat things (like crash your calculator when contour
graphing)




(Note, sqrt() means square root)

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