{"coeffs": [-2.043742403721737e-07, -8.857862098079853e-10, -0.30738024427043714, 0.020458151969006404], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.2441713341693279e-08, 6.611715614641888e-09, 0.00985535962263125, 0.008270468667469414], "covariance": [[1.5479623087686855e-16, -3.233856046777671e-18, 4.7223444993865885e-11, -3.66021213351126e-11], [-3.23385604677767e-18, 4.371478336889936e-17, 1.2073424858733447e-11, 1.0329451339531733e-11], [4.7223444993865885e-11, 1.2073424858733447e-11, 9.712811329139036e-05, -1.0165943205656606e-05], [-3.660212133511259e-11, 1.0329451339531733e-11, -1.0165943205656608e-05, 6.840065197959332e-05]]}