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Topic: Fitting sigmoid curve with three points
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Posts: 1
Registered: 8/29/08
Fitting sigmoid curve with three points
Posted: Aug 29, 2008 12:58 PM
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There are three points on a plane (x1,y1), (x2,y2) and (x3,y3).

How to find m,n,k that (x1,y1), (x2,y2) and (x3,y3) satisfy

y1 = m*x1^n/(k^n+ x1^n)
y2 = m*x2^n/(k^n+ x2^n)
y3 = m*x3^n/(k^n+ x3^n)


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