{"coeffs": [-4.917447893940472e-07, -2.0750547115950396e-08, -0.16695453643988567, 0.04763658375305474], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [3.846711764938139e-08, 2.9533974216294403e-08, 0.02432729053188068, 0.021276540579121758], "covariance": [[1.4797191402513495e-15, -1.2872310657884878e-16, 4.097972273190085e-10, -3.7657528230601305e-10], [-1.2872310657884875e-16, 8.722556330087425e-16, 2.2557338793090175e-10, 2.351432441375266e-10], [4.097972273190084e-10, 2.2557338793090175e-10, 0.0005918170646225313, -4.2980298267507804e-05], [-3.7657528230601305e-10, 2.351432441375266e-10, -4.2980298267507825e-05, 0.00045269117901501485]]}