system returned with code 256 system returned with code 256 system returned with code 256 system returned with code 256 system returned with code 256 system returned with code 256 system returned with code 256 Warning: empty y range [0:0], adjusting to [-1:1] system returned with code 256 system returned with code 256 iter chisq delta/lim lambda a b 0 4.1741359989e+06 0.00e+00 4.19e+02 1.000000e+00 1.000000e+00 1 7.1738887847e+03 -5.81e+07 4.19e+01 4.387174e-02 9.988457e-01 2 4.9446274611e+02 -1.35e+06 4.19e+00 4.019160e-03 1.020093e+00 3 3.7190486150e+02 -3.30e+04 4.19e-01 1.448637e-03 2.805380e+00 4 8.3601704088e+01 -3.45e+05 4.19e-02 -1.111105e-02 1.158504e+01 5 8.2902763246e+01 -8.43e+02 4.19e-03 -1.176032e-02 1.203890e+01 6 8.2902763059e+01 -2.25e-04 4.19e-04 -1.176066e-02 1.203914e+01 iter chisq delta/lim lambda a b After 6 iterations the fit converged. final sum of squares of residuals : 82.9028 rel. change during last iteration : -2.25301e-09 degrees of freedom (FIT_NDF) : 10 rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 2.87928 variance of residuals (reduced chisquare) = WSSR/ndf : 8.29028 Final set of parameters Asymptotic Standard Error ======================= ========================== a = -0.0117607 +/- 0.002641 (22.46%) b = 12.0391 +/- 1.564 (12.99%) correlation matrix of the fit parameters: a b a 1.000 b -0.847 1.000 <<846705F994CB83538A0396488234D361>]/Index[ 0 1144]/Info 1142 0 R/Length 2816/Root 1141 0 R/Size 1144/W[ 1 4 1]>>