Iteration 0 WSSR : 4.39785e+06 delta(WSSR)/WSSR : 0 delta(WSSR) : 0 limit for stopping : 1e-05 lambda : 0.707229 initial set of free parameter values a = 1 b = 1 / Iteration 1 WSSR : 179801 delta(WSSR)/WSSR : -23.4596 delta(WSSR) : -4.21805e+06 limit for stopping : 1e-05 lambda : 0.0707229 resultant parameter values a = 0.10554 b = 205.376 / Iteration 2 WSSR : 177682 delta(WSSR)/WSSR : -0.0119262 delta(WSSR) : -2119.07 limit for stopping : 1e-05 lambda : 0.00707229 resultant parameter values a = -442.088 b = 214.599 / Iteration 3 WSSR : 161462 delta(WSSR)/WSSR : -0.100457 delta(WSSR) : -16219.9 limit for stopping : 1e-05 lambda : 0.000707229 resultant parameter values a = -6845.57 b = 333.36 / Iteration 4 WSSR : 161115 delta(WSSR)/WSSR : -0.00215619 delta(WSSR) : -347.393 limit for stopping : 1e-05 lambda : 7.07229e-05 resultant parameter values a = -7928 b = 353.436 / Iteration 5 WSSR : 161115 delta(WSSR)/WSSR : -6.16109e-09 delta(WSSR) : -0.000992642 limit for stopping : 1e-05 lambda : 7.07229e-06 resultant parameter values a = -7929.84 b = 353.47 After 5 iterations the fit converged. final sum of squares of residuals : 161115 rel. change during last iteration : -6.16109e-09 degrees of freedom (FIT_NDF) : 98 rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 40.5466 variance of residuals (reduced chisquare) = WSSR/ndf : 1644.03 Final set of parameters Asymptotic Standard Error ======================= ========================== a = -7929.84 +/- 2359 (29.75%) b = 353.47 +/- 43.93 (12.43%) correlation matrix of the fit parameters: a b a 1.000 b -0.996 1.000 Iteration 0 WSSR : 4.36045e+06 delta(WSSR)/WSSR : 0 delta(WSSR) : 0 limit for stopping : 1e-05 lambda : 0.965948 initial set of free parameter values aa = 1 bb = 1 / Iteration 1 WSSR : 178379 delta(WSSR)/WSSR : -23.4448 delta(WSSR) : -4.18208e+06 limit for stopping : 1e-05 lambda : 0.0965948 resultant parameter values aa = 106.179 bb = 106.601 / Iteration 2 WSSR : 174781 delta(WSSR)/WSSR : -0.0205882 delta(WSSR) : -3598.42 limit for stopping : 1e-05 lambda : 0.00965948 resultant parameter values aa = 406.449 bb = -171.828 / Iteration 3 WSSR : 168099 delta(WSSR)/WSSR : -0.0397514 delta(WSSR) : -6682.16 limit for stopping : 1e-05 lambda : 0.000965948 resultant parameter values aa = 1636.25 bb = -1316.34 / Iteration 4 WSSR : 168087 delta(WSSR)/WSSR : -6.70231e-05 delta(WSSR) : -11.2657 limit for stopping : 1e-05 lambda : 9.65948e-05 resultant parameter values aa = 1688.84 bb = -1365.28 / Iteration 5 WSSR : 168087 delta(WSSR)/WSSR : -1.22569e-11 delta(WSSR) : -2.06023e-06 limit for stopping : 1e-05 lambda : 9.65948e-06 resultant parameter values aa = 1688.86 bb = -1365.3 After 5 iterations the fit converged. final sum of squares of residuals : 168087 rel. change during last iteration : -1.22569e-11 degrees of freedom (FIT_NDF) : 98 rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 41.4147 variance of residuals (reduced chisquare) = WSSR/ndf : 1715.18 Final set of parameters Asymptotic Standard Error ======================= ========================== aa = 1688.86 +/- 649.2 (38.44%) bb = -1365.3 +/- 604.2 (44.25%) correlation matrix of the fit parameters: aa bb aa 1.000 bb -1.000 1.000 Iteration 0 WSSR : 4.7035e+06 delta(WSSR)/WSSR : 0 delta(WSSR) : 0 limit for stopping : 1e-05 lambda : 0.965948 initial set of free parameter values aaa = 1 bbb = 1 / Iteration 1 WSSR : 42656.2 delta(WSSR)/WSSR : -109.265 delta(WSSR) : -4.66085e+06 limit for stopping : 1e-05 lambda : 0.0965948 resultant parameter values aaa = 100.574 bbb = 123.147 / Iteration 2 WSSR : 27949.7 delta(WSSR)/WSSR : -0.526177 delta(WSSR) : -14706.5 limit for stopping : 1e-05 lambda : 0.00965948 resultant parameter values aaa = -511.389 bbb = 693.743 / Iteration 3 WSSR : 51.8214 delta(WSSR)/WSSR : -538.347 delta(WSSR) : -27897.9 limit for stopping : 1e-05 lambda : 0.000965948 resultant parameter values aaa = -3024.2 bbb = 3032.29 / Iteration 4 WSSR : 4.78714 delta(WSSR)/WSSR : -9.82513 delta(WSSR) : -47.0343 limit for stopping : 1e-05 lambda : 9.65948e-05 resultant parameter values aaa = -3131.66 bbb = 3132.3 / Iteration 5 WSSR : 4.78713 delta(WSSR)/WSSR : -1.79666e-06 delta(WSSR) : -8.60083e-06 limit for stopping : 1e-05 lambda : 9.65948e-06 resultant parameter values aaa = -3131.71 bbb = 3132.34 After 5 iterations the fit converged. final sum of squares of residuals : 4.78713 rel. change during last iteration : -1.79666e-06 degrees of freedom (FIT_NDF) : 98 rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 0.221016 variance of residuals (reduced chisquare) = WSSR/ndf : 0.0488483 Final set of parameters Asymptotic Standard Error ======================= ========================== aaa = -3131.71 +/- 3.464 (0.1106%) bbb = 3132.34 +/- 3.224 (0.1029%) correlation matrix of the fit parameters: aaa bbb aaa 1.000 bbb -1.000 1.000