{"coeffs": [-3.2469371966856232e-06, 9.355673111133987e-05, 0.4187190492792619, 0.1508104989302377], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.2075797382901457e-07, 1.3553738564124227e-06, 0.004013313059639591, 0.003320868845019808], "covariance": [[1.770372725406977e-13, -4.222879940253339e-13, -8.665429636949897e-10, -1.243428813231911e-09], [-4.222879940253336e-13, 1.8370382906462827e-12, 5.14650434700366e-09, 4.1923790305557256e-09], [-8.665429636949884e-10, 5.146504347003659e-09, 1.61066817146737e-05, 1.072561151845224e-05], [-1.2434288132319104e-09, 4.192379030555727e-09, 1.072561151845225e-05, 1.1028169885823193e-05]]}