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 About the parameter dependency in NLSF ?
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moketmr

Taiwan
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Posted - 06/14/2006 :  05:40:44 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Version : 7.0
Operating System: Win XP

In NLSF, the parameter dependency is defined by
1 - 1 / (C_ii * C_ii^-1)
However, the definition of matrix C is problematic.
Accordingly, the inverse of C is defined as the direct product of
F and F'.

F has already been given as the corresponding Jacobian.
But what is the meaning of F' ? For simplicity,
what is F' if the fitting function f(x)= ax + b ?
Let's say:

x y

1 2.1
2 4.2
3 6.3
4 8.4
5 10.5

By tracing back to the mathematic structure, better understanding on the parameter dependency can be acquired. The content in help file is not so satisfactory.

Would somebody help ? Thanks !!
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