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Re: Least Square [message #9714]

Fri, 08 August 1997 00:00

John Lawrence
Messages: 1
Registered: August 1997

Junior Member

R.J. Hall wrote:
+> I was windering if the following can be solced using IDL (V4)

+> Is it possible to find the line of best fit, and thus derive its
=>equation using IDL?
=>
+> The form of the equation is as follows:-
+> y = a * sin (b*x + c)

If you do the algebra on paper, IDL can do the arithmetic.
It is a large number of summations, and then a matrix inversion.
Actually, I used to do it in Excel. IDL is heaps easier.

- ;-} --- :-{ --- ;-} --- :-{ --- ;-} -
The fundamental particle of stupidity is called the Bozon.

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		Re: Least Square By: John Lawrence on Fri, 08 August 1997 00:00
		Re: Least Square By: J.D. Smith on Thu, 07 August 1997 00:00

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