Iteration 0 WSSR : 5 delta(WSSR)/WSSR : 0 delta(WSSR) : 0 limit for stopping : 1e-05 lambda : 8.41427 initial set of free parameter values k = 1 / Iteration 1 WSSR : 4.46171 delta(WSSR)/WSSR : -0.120647 delta(WSSR) : -0.538293 limit for stopping : 1e-05 lambda : 0.841427 resultant parameter values k = 1.03296 / Iteration 2 WSSR : 4.44633 delta(WSSR)/WSSR : -0.00345897 delta(WSSR) : -0.0153797 limit for stopping : 1e-05 lambda : 0.0841427 resultant parameter values k = 1.03953 / Iteration 3 WSSR : 4.44633 delta(WSSR)/WSSR : -1.37808e-08 delta(WSSR) : -6.12738e-08 limit for stopping : 1e-05 lambda : 0.00841427 resultant parameter values k = 1.03955 After 3 iterations the fit converged. final sum of squares of residuals : 4.44633 rel. change during last iteration : -1.37808e-08 degrees of freedom (FIT_NDF) : 4 rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 1.05432 variance of residuals (reduced chisquare) = WSSR/ndf : 1.11158 Final set of parameters Asymptotic Standard Error ======================= ========================== k = 1.03955 +/- 0.05604 (5.39%) correlation matrix of the fit parameters: k k 1.000