{"coeffs": [-1.091451589359458e-06, 7.200408319324313e-07, 0.3135053596284647, 0.027168059313786797], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.10699202792801e-07, 1.3799477567528767e-06, 0.14130980333742482, 0.12323586655290612], "covariance": [[8.293730379674432e-13, -9.5387382660753e-14, 3.2919440177238746e-08, -3.2381675752011346e-08], [-9.538738266075301e-14, 1.9042558113672967e-12, 8.137893645406896e-08, 7.015703020091397e-08], [3.2919440177238746e-08, 8.137893645406896e-08, 0.01996846051926168, 0.001727600622003978], [-3.238167575201135e-08, 7.015703020091397e-08, 0.0017276006220039771, 0.015187078805045688]]}