{"coeffs": [-4.8898170451960204e-08, 0.00012066982072769913, 0.8971116197803265, 0.12485248178860167], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.585096741827621e-08, 0.00010950032340204536, 0.1363793740586808, 0.005990821044541909], "covariance": [[1.2852918648263026e-15, -2.453273302175407e-12, -3.1316618246895654e-09, -1.6194634653934543e-10], [-2.4532733021754277e-12, 1.199032082515252e-08, 1.4924828957789977e-05, 6.267991418951551e-07], [-3.1316618246895414e-09, 1.4924828957789977e-05, 0.01859933366863758, 0.0007883259558174556], [-1.6194634653934752e-10, 6.267991418951551e-07, 0.0007883259558174554, 3.58899367877262e-05]]}