parameters estimation for a model

30 Dec 2014
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Updated 20 Aug 2021
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Hi All,
I am facing a trouble to find two parameters, named as a and b, from the following equation
y=0.5*[1.0-erf(log(a*x)/(b*sqrt(2)))]
Can anyone help me in this regard? A data file is attached herewith for your consideration.
Best Sudipta

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Sudipta Sinha
Sudipta Sinha
on 30 Dec 2014

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MATLAB Answer Bot
MATLAB Answer Bot
on 20 Aug 2021

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