{"coeffs": [-4.011792349273827e-07, 9.471219707548409e-06, 0.6253097927902592, 0.11834136692854155], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.8893929490004408e-07, 5.474230608070261e-07, 0.013280962189400947, 0.011593751244616705], "covariance": [[3.569805715732583e-14, -7.074539005956396e-14, -9.659326846827291e-10, -1.875603506691614e-09], [-7.074539005956397e-14, 2.996720075033331e-13, 6.6655834603708e-09, 5.7961412729792385e-09], [-9.659326846827287e-10, 6.665583460370799e-09, 0.00017638395667629757, 0.00011377042476116907], [-1.8756035066916144e-09, 5.796141272979239e-09, 0.00011377042476116909, 0.00013441506792205137]]}