Re: FLASH: formule needed

[Helen Triolo]

Branden Hall wrote:

> 

> Yep... thats it! :-)

> 

> If you head over to

> www.flashlite.net (its back up weee!)

> you can find my square root function. :-)


Thanks for passing on your great stuff, Branden!

(http://www.flashlite.net/source/f4/other/index.html).  I had to figure

out how you did that, so I looked up Newton's method on the web--a

*very* useful way to plot anything given that you know how to find

derivatives, it seems.  For anyone interested, there's a brief

description of the method at

http://batman.eng.monash.edu.au/eng1602/online_book/node73.html.  Looks

like this could be applied to any function at all; you just iteratively

subtract the ratio of a function to its derivative from x... 


Well, I just thought there might be other script junkies out there who

would find this as useful/interesting as I did.  Can't wait to hear more

about your Bezier example!


Regards,

Helen

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