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Non-linear fitting in matlab
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I have x and y data and would like to make a nonlinear fitting between them according to this equation,
y= [C(x/x_m)]/[1+D(x/x_m)]^(5/3)
The measured values are x and y and the best fit line should give me the values of C,D and x_m. Actually this is a spectral fitting and x_m denotes the point where y attains its maximum. I would be very grateful if any expert can help me out on this.
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Torsten
2016년 7월 19일
x_m should be the x-value where
C*x/(1+D*x)^(5/3)
or where
C*(x/x_m)/(1+D*(x/x_m))^(5/3)
attains its maximum ?
Best wishes
Torsten.
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