{"coeffs": [-5.773993367547928e-06, 0.00030244208655459627, 0.7968712383615713, 0.24547258584950454], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [8.721000176797076e-07, 4.7863932128290616e-05, 0.061774562822510315, 0.012175801883404115], "covariance": [[7.605584408369462e-13, -3.662707555866238e-11, -4.786043769564379e-08, -1.0114645060201096e-08], [-3.662707555866175e-11, 2.2909559987816106e-09, 2.954672408242047e-06, 5.67944353437111e-07], [-4.786043769564303e-08, 2.9546724082420495e-06, 0.003816096611912273, 0.0007380840914285648], [-1.0114645060200995e-08, 5.679443534371152e-07, 0.0007380840914285695, 0.0001482501515039072]]}