{"coeffs": [1.4313965624522667e-07, 4.969892253340235e-06, 0.44380036402021006, 0.053672801782849805], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [2.640023510564903e-08, 5.1603331782865164e-08, 0.0023395077358349995, 0.002055894754969698], "covariance": [[6.969724136335434e-16, -2.991370263900836e-16, 1.3404922815473438e-11, -2.504495915827959e-11], [-2.991370263900835e-16, 2.662903851092462e-15, 7.744841785091028e-11, 7.016226043979174e-11], [1.3404922815473438e-11, 7.744841785091028e-11, 5.473296446031807e-06, 1.4710341920397084e-06], [-2.504495915827959e-11, 7.016226043979175e-11, 1.4710341920397084e-06, 4.226703243511914e-06]]}