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Originally Posted by Long Haired Git
I've written a java app that takes a table of points and finds the equation of the best fit line. No clever maths, just pure grunt work (takes minutes to run, pure CPU bound so unless dual core nothing reponds etc).
Will convert to applet and host online if people interested.
Developed due to my need to have equations for pump, block etc curves for PQ.
Only handles straight lines and positive powers. Does not handle CW charts with their 1/x shape.
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I'm interested. I can host it too, if you want (PM me for FTP info).
I was just looking at a similar program yesterday:
http://silkscientific.com/ (pricey though)