comp.lang.idl-pvwave archive: archive » help regarding curvefit

Home » Public Forums » archive » help regarding curvefit

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: help regarding curvefit [message #89835 is a reply to message #89833]

Tue, 09 December 2014 00:54

Heinz Stege
Messages: 189
Registered: January 2003

Senior Member

Hello Krishnakumar,

please doublecheck the partial derivative.

Your function is
F(A) = const * G(A)
with
const = 180 * SQRT(!dpi^5/(8*x^5))
So your partial derivative should be
dF(A)/dA = const * dG(A)/dA
The SQRT seems to be missing in your derivative.

HTH, Heinz

Report message to a moderator

[Message index]

		help regarding curvefit By: Krishnakumar M.A on Mon, 08 December 2014 22:56
		Re: help regarding curvefit By: Heinz Stege on Tue, 09 December 2014 00:54
		Re: help regarding curvefit By: Craig Markwardt on Tue, 09 December 2014 12:19
		Re: help regarding curvefit By: Krishnakumar M.A on Tue, 09 December 2014 23:34

Previous Topic:	loop for XML
Next Topic:	Download IDL using Microsoft Explorer, not Firefox or Opera!

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Wed Oct 08 19:32:33 PDT 2025

Total time taken to generate the page: 0.00430 seconds