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nonlinearfit for data with errors in both coordinates


Hi,

It is not clear to me if mathematica can fit to a curve data with  
explicit errors in both variables´(x,y). If this is the case, can  
someone drop me a correct syntax line
if my data are

x={2.0,4.0,7.0}
and xerrors={0.1,0.15,0.12}
y={8.0,16.0,15.00}
and yerrors={0.3,0.35,0.42}

Thanks,

Ruth Lazkoz





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