{"coeffs": [-5.413497423415903e-06, 0.00019494570651467497, 0.5426525567448537, 0.17296922323365013], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.9632890409649433e-06, 1.7934034747115007e-05, 0.029429264458829728, 0.013485997039214263], "covariance": [[3.8545038583730465e-12, -2.7910776135761117e-11, -4.3453705942586954e-08, -2.4097914923652706e-08], [-2.7910776135761214e-11, 3.2162960231072845e-10, 5.255209111085669e-07, 2.3076717014794727e-07], [-4.34537059425871e-08, 5.255209111085669e-07, 0.0008660816065877386, 0.000373412433469284], [-2.4097914923652736e-08, 2.3076717014794698e-07, 0.00037341243346928363, 0.0001818721161416959]]}