Iteration 0
 WSSR        : 7.05244e+06       delta(WSSR)/WSSR   : 0
 delta(WSSR) : 0                 limit for stopping : 1e-05
 lambda	  : 203.071

initial set of free parameter values

a               = 1
b               = 1
/

 Iteration 1
 WSSR        : 4913.59           delta(WSSR)/WSSR   : -1434.29
 delta(WSSR) : -7.04753e+06      limit for stopping : 1e-05
 lambda	  : 20.3071

resultant parameter values

a               = 0.0802021
b               = 0.997016
/

 Iteration 2
 WSSR        : 4738.79           delta(WSSR)/WSSR   : -0.0368877
 delta(WSSR) : -174.803          limit for stopping : 1e-05
 lambda	  : 2.03071

resultant parameter values

a               = 0.0755309
b               = 1.01786
/

 Iteration 3
 WSSR        : 4709.46           delta(WSSR)/WSSR   : -0.00622767
 delta(WSSR) : -29.3289          limit for stopping : 1e-05
 lambda	  : 0.203071

resultant parameter values

a               = 0.06921
b               = 2.83852
/

 Iteration 4
 WSSR        : 4615.92           delta(WSSR)/WSSR   : -0.0202636
 delta(WSSR) : -93.5353          limit for stopping : 1e-05
 lambda	  : 0.0203071

resultant parameter values

a               = 0.0285735
b               = 14.5439
/

 Iteration 5
 WSSR        : 4615.53           delta(WSSR)/WSSR   : -8.41131e-05
 delta(WSSR) : -0.388227         limit for stopping : 1e-05
 lambda	  : 0.00203071

resultant parameter values

a               = 0.0257833
b               = 15.3476
/

 Iteration 6
 WSSR        : 4615.53           delta(WSSR)/WSSR   : -3.96547e-11
 delta(WSSR) : -1.83028e-07      limit for stopping : 1e-05
 lambda	  : 0.000203071

resultant parameter values

a               = 0.0257814
b               = 15.3481

After 6 iterations the fit converged.
final sum of squares of residuals : 4615.53
rel. change during last iteration : -3.96547e-11

degrees of freedom    (FIT_NDF)                        : 98
rms of residuals      (FIT_STDFIT) = sqrt(WSSR/ndf)    : 6.86275
variance of residuals (reduced chisquare) = WSSR/ndf   : 47.0973

Final set of parameters            Asymptotic Standard Error
=======================            ==========================

a               = 0.0257814        +/- 0.03085      (119.6%)
b               = 15.3481          +/- 8.858        (57.72%)


correlation matrix of the fit parameters:

               a      b      
a               1.000 
b              -0.997  1.000 


 Iteration 0
 WSSR        : 1.19512e+06       delta(WSSR)/WSSR   : 0
 delta(WSSR) : 0                 limit for stopping : 1e-05
 lambda	  : 92.4954

initial set of free parameter values

aa              = 1
bb              = 1
/

 Iteration 1
 WSSR        : 4801.64           delta(WSSR)/WSSR   : -247.898
 delta(WSSR) : -1.19032e+06      limit for stopping : 1e-05
 lambda	  : 9.24954

resultant parameter values

aa              = 0.170082
bb              = 0.996666
/

 Iteration 2
 WSSR        : 4757.84           delta(WSSR)/WSSR   : -0.00920458
 delta(WSSR) : -43.7939          limit for stopping : 1e-05
 lambda	  : 0.924954

resultant parameter values

aa              = 0.163757
bb              = 1.28431
/

 Iteration 3
 WSSR        : 4487.86           delta(WSSR)/WSSR   : -0.0601576
 delta(WSSR) : -269.979          limit for stopping : 1e-05
 lambda	  : 0.0924954

resultant parameter values

aa              = 0.0996456
bb              = 9.75754
/

 Iteration 4
 WSSR        : 4462.22           delta(WSSR)/WSSR   : -0.00574758
 delta(WSSR) : -25.647           limit for stopping : 1e-05
 lambda	  : 0.00924954

resultant parameter values

aa              = 0.0729892
bb              = 13.2806
/

 Iteration 5
 WSSR        : 4462.22           delta(WSSR)/WSSR   : -9.93651e-08
 delta(WSSR) : -0.000443389      limit for stopping : 1e-05
 lambda	  : 0.000924954

resultant parameter values

aa              = 0.0728779
bb              = 13.2953

After 5 iterations the fit converged.
final sum of squares of residuals : 4462.22
rel. change during last iteration : -9.93651e-08

degrees of freedom    (FIT_NDF)                        : 98
rms of residuals      (FIT_STDFIT) = sqrt(WSSR/ndf)    : 6.7478
variance of residuals (reduced chisquare) = WSSR/ndf   : 45.5328

Final set of parameters            Asymptotic Standard Error
=======================            ==========================

aa              = 0.0728779        +/- 0.03604      (49.45%)
bb              = 13.2953          +/- 4.714        (35.45%)


correlation matrix of the fit parameters:

               aa     bb     
aa              1.000 
bb             -0.990  1.000 
         No data to fit 
"errors.gnuplot.script", line 16: