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parameters estimation for a model

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Sudipta Sinha
Sudipta Sinha 2014-12-30
关闭: MATLAB Answer Bot 2021-8-20
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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