{"coeffs": [-1.3504638869101287e-07, 4.654484161563198e-06, 0.7020481730936227, 0.18094461791039865], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [7.52033645818734e-08, 6.2192810814030574e-06, 0.35825341084869844, 0.05718826664989754], "covariance": [[5.65554604443417e-15, -4.3985110359083564e-13, -2.5532462087037762e-08, -4.215452845936918e-09], [-4.398511035908453e-13, 3.8679457169497986e-11, 2.227287525776461e-06, 3.510696126970068e-07], [-2.5532462087038295e-08, 2.2272875257764592e-06, 0.12834550638472633, 0.020299612205096868], [-4.21545284593698e-09, 3.510696126970041e-07, 0.020299612205096726, 0.003270497842419783]]}