You have a nonlinear model to fit to data, with two parameters a and b. Taking the derivative of the error function with respect to a and b led to F and G functions as given below: F(a, b) = ab – a2 G(a, b) = ab + b Newton-Raphson formula for iteration  . The initial point for the iteration is given as Z0 = (1                                                                                   1) Apply the Newton-Raphson formula to calculate Z1

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You have a nonlinear model to fit to data, with two parameters a and b. Taking the derivative of the
error function with respect to a and b led to F and G functions as given below:
F(a, b) = ab – a2
G(a, b) = ab + b
Newton-Raphson formula for iteration 
. The initial point for the iteration is given as Z0 = (1
                                                                                  1)
Apply the Newton-Raphson formula to calculate Z1

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