Iteration 0 WSSR : 3.41837e+07 delta(WSSR)/WSSR : 0 delta(WSSR) : 0 limit for stopping : 1e-05 lambda : 0.707107 initial set of free parameter values a = 1 b = 1 / Iteration 1 WSSR : 2.82468e+06 delta(WSSR)/WSSR : -11.1018 delta(WSSR) : -3.1359e+07 limit for stopping : 1e-05 lambda : 0.0707107 resultant parameter values a = 1.05749 b = 532.52 / Iteration 2 WSSR : 2.82404e+06 delta(WSSR)/WSSR : -0.000227391 delta(WSSR) : -642.162 limit for stopping : 1e-05 lambda : 0.00707107 resultant parameter values a = 3.96842 b = 534.936 / Iteration 3 WSSR : 2.82403e+06 delta(WSSR)/WSSR : -2.99991e-06 delta(WSSR) : -8.47182 limit for stopping : 1e-05 lambda : 0.000707107 resultant parameter values a = 295.027 b = 534.921 After 3 iterations the fit converged. final sum of squares of residuals : 2.82403e+06 rel. change during last iteration : -2.99991e-06 degrees of freedom (FIT_NDF) : 108 rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 161.705 variance of residuals (reduced chisquare) = WSSR/ndf : 26148.4 Final set of parameters Asymptotic Standard Error ======================= ========================== a = 295.027 +/- 2.748e+06 (9.313e+05%) b = 534.921 +/- 147.5 (27.58%) correlation matrix of the fit parameters: a b a 1.000 b -0.995 1.000 Iteration 0 WSSR : 3.40877e+07 delta(WSSR)/WSSR : 0 delta(WSSR) : 0 limit for stopping : 1e-05 lambda : 0.91346 initial set of free parameter values aa = 1 bb = 1 / Iteration 1 WSSR : 2.81866e+06 delta(WSSR)/WSSR : -11.0936 delta(WSSR) : -3.12691e+07 limit for stopping : 1e-05 lambda : 0.091346 resultant parameter values aa = 268.808 bb = 312.741 / Iteration 2 WSSR : 2.80571e+06 delta(WSSR)/WSSR : -0.00461335 delta(WSSR) : -12943.7 limit for stopping : 1e-05 lambda : 0.0091346 resultant parameter values aa = 900.525 bb = -201.471 / Iteration 3 WSSR : 2.78087e+06 delta(WSSR)/WSSR : -0.00893463 delta(WSSR) : -24846 limit for stopping : 1e-05 lambda : 0.00091346 resultant parameter values aa = 3613.62 bb = -2420.26 / Iteration 4 WSSR : 2.78082e+06 delta(WSSR)/WSSR : -1.65729e-05 delta(WSSR) : -46.0863 limit for stopping : 1e-05 lambda : 9.1346e-05 resultant parameter values aa = 3735.55 bb = -2519.98 / Iteration 5 WSSR : 2.78082e+06 delta(WSSR)/WSSR : -3.34692e-12 delta(WSSR) : -9.30717e-06 limit for stopping : 1e-05 lambda : 9.1346e-06 resultant parameter values aa = 3735.6 bb = -2520.03 After 5 iterations the fit converged. final sum of squares of residuals : 2.78082e+06 rel. change during last iteration : -3.34692e-12 degrees of freedom (FIT_NDF) : 108 rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 160.463 variance of residuals (reduced chisquare) = WSSR/ndf : 25748.3 Final set of parameters Asymptotic Standard Error ======================= ========================== aa = 3735.6 +/- 2883 (77.19%) bb = -2520.03 +/- 2358 (93.57%) correlation matrix of the fit parameters: aa bb aa 1.000 bb -1.000 1.000 Iteration 0 WSSR : 413045 delta(WSSR)/WSSR : 0 delta(WSSR) : 0 limit for stopping : 1e-05 lambda : 0.91346 initial set of free parameter values aaa = 1 bbb = 1 / Iteration 1 WSSR : 3584.5 delta(WSSR)/WSSR : -114.231 delta(WSSR) : -409460 limit for stopping : 1e-05 lambda : 0.091346 resultant parameter values aaa = 30.7288 bbb = 37.4234 / Iteration 2 WSSR : 3575.86 delta(WSSR)/WSSR : -0.00241619 delta(WSSR) : -8.63998 limit for stopping : 1e-05 lambda : 0.0091346 resultant parameter values aaa = 27.9873 bbb = 39.9415 / Iteration 3 WSSR : 3575.35 delta(WSSR)/WSSR : -0.000144652 delta(WSSR) : -0.517182 limit for stopping : 1e-05 lambda : 0.00091346 resultant parameter values aaa = 15.6091 bbb = 50.0645 / Iteration 4 WSSR : 3575.34 delta(WSSR)/WSSR : -2.68313e-07 delta(WSSR) : -0.00095931 limit for stopping : 1e-05 lambda : 9.1346e-05 resultant parameter values aaa = 15.0528 bbb = 50.5195 After 4 iterations the fit converged. final sum of squares of residuals : 3575.34 rel. change during last iteration : -2.68313e-07 degrees of freedom (FIT_NDF) : 108 rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 5.7537 variance of residuals (reduced chisquare) = WSSR/ndf : 33.105 Final set of parameters Asymptotic Standard Error ======================= ========================== aaa = 15.0528 +/- 103.4 (686.9%) bbb = 50.5195 +/- 84.55 (167.4%) correlation matrix of the fit parameters: aaa bbb aaa 1.000 bbb -1.000 1.000 Iteration 0 WSSR : 423824 delta(WSSR)/WSSR : 0 delta(WSSR) : 0 limit for stopping : 1e-05 lambda : 0.707248 initial set of free parameter values aaaa = 1 bbbb = 1 / Iteration 1 WSSR : 3584.65 delta(WSSR)/WSSR : -117.233 delta(WSSR) : -420239 limit for stopping : 1e-05 lambda : 0.0707248 resultant parameter values aaaa = 2.22931 bbbb = 62.5054 / Iteration 2 WSSR : 3576.05 delta(WSSR)/WSSR : -0.00240612 delta(WSSR) : -8.6044 limit for stopping : 1e-05 lambda : 0.00707248 resultant parameter values aaaa = 2.2349 bbbb = 62.785 / Iteration 3 WSSR : 3576.05 delta(WSSR)/WSSR : -4.97138e-12 delta(WSSR) : -1.77779e-08 limit for stopping : 1e-05 lambda : 0.000707248 resultant parameter values aaaa = 2.2349 bbbb = 62.785 After 3 iterations the fit converged. final sum of squares of residuals : 3576.05 rel. change during last iteration : -4.97138e-12 degrees of freedom (FIT_NDF) : 108 rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 5.75426 variance of residuals (reduced chisquare) = WSSR/ndf : 33.1115 Final set of parameters Asymptotic Standard Error ======================= ========================== aaaa = 2.2349 +/- 2.531e+16 (1.133e+18%) bbbb = 62.785 +/- 5.059e+14 (8.058e+14%) correlation matrix of the fit parameters: aaaa bbbb aaaa 1.000 bbbb -1.000 1.000 Warning: empty x range [0.019987:0.019987], adjusting to [0.0197871:0.0201869]