Iteration 0 WSSR : 1.20736e+08 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 : 1.62593e+07 delta(WSSR)/WSSR : -6.42563 delta(WSSR) : -1.04476e+08 limit for stopping : 1e-05 lambda : 0.0707107 resultant parameter values a = 1.15399 b = 1018.06 / Iteration 2 WSSR : 1.62568e+07 delta(WSSR)/WSSR : -0.00015909 delta(WSSR) : -2586.29 limit for stopping : 1e-05 lambda : 0.00707107 resultant parameter values a = 6.02889 b = 1023.15 / Iteration 3 WSSR : 1.62567e+07 delta(WSSR)/WSSR : -1.45857e-06 delta(WSSR) : -23.7115 limit for stopping : 1e-05 lambda : 0.000707107 resultant parameter values a = 492.81 b = 1023.1 After 3 iterations the fit converged. final sum of squares of residuals : 1.62567e+07 rel. change during last iteration : -1.45857e-06 degrees of freedom (FIT_NDF) : 98 rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 407.29 variance of residuals (reduced chisquare) = WSSR/ndf : 165885 Final set of parameters Asymptotic Standard Error ======================= ========================== a = 492.81 +/- 1.574e+06 (3.194e+05%) b = 1023.1 +/- 167.9 (16.41%) correlation matrix of the fit parameters: a b a 1.000 b -0.970 1.000 Iteration 0 WSSR : 1.20584e+08 delta(WSSR)/WSSR : 0 delta(WSSR) : 0 limit for stopping : 1e-05 lambda : 0.881185 initial set of free parameter values aa = 1 bb = 1 / Iteration 1 WSSR : 1.61394e+07 delta(WSSR)/WSSR : -6.47137 delta(WSSR) : -1.04444e+08 limit for stopping : 1e-05 lambda : 0.0881185 resultant parameter values aa = 572.195 bb = 593.092 / Iteration 2 WSSR : 1.53853e+07 delta(WSSR)/WSSR : -0.0490152 delta(WSSR) : -754114 limit for stopping : 1e-05 lambda : 0.00881185 resultant parameter values aa = 5308.94 bb = -2924.08 / Iteration 3 WSSR : 1.50391e+07 delta(WSSR)/WSSR : -0.0230181 delta(WSSR) : -346172 limit for stopping : 1e-05 lambda : 0.000881185 resultant parameter values aa = 11297 bb = -7376.83 / Iteration 4 WSSR : 1.50391e+07 delta(WSSR)/WSSR : -3.68299e-06 delta(WSSR) : -55.3888 limit for stopping : 1e-05 lambda : 8.81185e-05 resultant parameter values aa = 11373.7 bb = -7433.86 After 4 iterations the fit converged. final sum of squares of residuals : 1.50391e+07 rel. change during last iteration : -3.68299e-06 degrees of freedom (FIT_NDF) : 98 rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 391.74 variance of residuals (reduced chisquare) = WSSR/ndf : 153460 Final set of parameters Asymptotic Standard Error ======================= ========================== aa = 11373.7 +/- 4038 (35.5%) bb = -7433.86 +/- 3003 (40.39%) correlation matrix of the fit parameters: aa bb aa 1.000 bb -1.000 1.000 Iteration 0 WSSR : 571790 delta(WSSR)/WSSR : 0 delta(WSSR) : 0 limit for stopping : 1e-05 lambda : 0.881185 initial set of free parameter values aaa = 1 bbb = 1 / Iteration 1 WSSR : 5120.14 delta(WSSR)/WSSR : -110.675 delta(WSSR) : -566670 limit for stopping : 1e-05 lambda : 0.0881185 resultant parameter values aaa = 34.035 bbb = 51.3384 / Iteration 2 WSSR : 4258.4 delta(WSSR)/WSSR : -0.202363 delta(WSSR) : -861.742 limit for stopping : 1e-05 lambda : 0.00881185 resultant parameter values aaa = -124.79 bbb = 169.816 / Iteration 3 WSSR : 3867.92 delta(WSSR)/WSSR : -0.100953 delta(WSSR) : -390.477 limit for stopping : 1e-05 lambda : 0.000881185 resultant parameter values aaa = -325.902 bbb = 319.363 / Iteration 4 WSSR : 3867.86 delta(WSSR)/WSSR : -1.61531e-05 delta(WSSR) : -0.0624778 limit for stopping : 1e-05 lambda : 8.81185e-05 resultant parameter values aaa = -328.478 bbb = 321.279 / Iteration 5 WSSR : 3867.86 delta(WSSR)/WSSR : -2.64534e-13 delta(WSSR) : -1.02318e-09 limit for stopping : 1e-05 lambda : 8.81185e-06 resultant parameter values aaa = -328.478 bbb = 321.279 After 5 iterations the fit converged. final sum of squares of residuals : 3867.86 rel. change during last iteration : -2.64534e-13 degrees of freedom (FIT_NDF) : 98 rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 6.28235 variance of residuals (reduced chisquare) = WSSR/ndf : 39.468 Final set of parameters Asymptotic Standard Error ======================= ========================== aaa = -328.478 +/- 64.75 (19.71%) bbb = 321.279 +/- 48.15 (14.99%) correlation matrix of the fit parameters: aaa bbb aaa 1.000 bbb -1.000 1.000 Iteration 0 WSSR : 582860 delta(WSSR)/WSSR : 0 delta(WSSR) : 0 limit for stopping : 1e-05 lambda : 0.707154 initial set of free parameter values aaaa = 1 bbbb = 1 / Iteration 1 WSSR : 4897.8 delta(WSSR)/WSSR : -118.005 delta(WSSR) : -577962 limit for stopping : 1e-05 lambda : 0.0707154 resultant parameter values aaaa = 1.87486 bbbb = 76.6364 / Iteration 2 WSSR : 4883.49 delta(WSSR)/WSSR : -0.00292946 delta(WSSR) : -14.306 limit for stopping : 1e-05 lambda : 0.00707154 resultant parameter values aaaa = 1.87923 bbbb = 77.0146 / Iteration 3 WSSR : 4883.49 delta(WSSR)/WSSR : -7.32216e-12 delta(WSSR) : -3.57577e-08 limit for stopping : 1e-05 lambda : 0.000707154 resultant parameter values aaaa = 1.87923 bbbb = 77.0146 After 3 iterations the fit converged. final sum of squares of residuals : 4883.49 rel. change during last iteration : -7.32216e-12 degrees of freedom (FIT_NDF) : 98 rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 7.05915 variance of residuals (reduced chisquare) = WSSR/ndf : 49.8315 Final set of parameters Asymptotic Standard Error ======================= ========================== aaaa = 1.87923 +/- 6.796e+16 (3.616e+18%) bbbb = 77.0146 +/- 7.861e+14 (1.021e+15%) correlation matrix of the fit parameters: aaaa bbbb aaaa 1.000 bbbb -1.000 1.000 Warning: empty x range [0.0115666:0.0115666], adjusting to [0.0114509:0.0116823]