{"coeffs": [-6.730133687204931e-07, 0.34104961478933593, 2.373868451452788, 0.19250915832602492], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [9.090202720577786e-07, 779.0891011017177, 441.6565093954477, 0.037387706553092835], "covariance": [[8.263178550119979e-13, -0.000584505451176415, -0.00033138419025630154, -3.115961806026797e-08], [-0.0005845054511156341, 606979.8274554824, 344089.76711070526, 28.281318403702294], [-0.00033138419022223445, 344089.7671107164, 195060.47229137117, 16.03307333877935], [-3.11596180588066e-08, 28.281318404933042, 16.0330733394734, 0.0013978406013001809]]}