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Variance-Covariance matrix

spacecraft 20
November 27 2009
0

Hi all,

I created a fit function (y = a*x^b + c) from a list of x and y experimental data. I would like to calculate the variance-covariance matrix of the 3 coefficients a, b and c but I found that the command variancecovariancematrix works only for the linear fitting. Can you help to solve this problem easily?

Thanks

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