{"coeffs": [-2.8264616173242235e-07, 0.1647445120454967, 1.7118645700609674, 0.12263838225192508], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.4066114256395036e-08, 42.858296939260114, 32.12179968378115, 0.0029588682112426387], "covariance": [[1.941822425657662e-15, -1.2154637923052431e-06, -9.111488015962847e-07, -1.0029351780514029e-10], [-1.215463792611813e-06, 1836.833616533793, 1376.6855907449474, 0.12151696827638853], [-9.111488018248098e-07, 1376.6855907448469, 1031.8100149249628, 0.09108197034449746], [-1.0029351781869884e-10, 0.12151696826512622, 0.09108197033605281, 8.754901091502212e-06]]}