{"coeffs": [-2.195738058647471e-06, 0.0001415829266711003, 0.5361412741867145, 0.19091193313614416], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.64362845037148e-06, 4.2626211684117326e-05, 0.10596218159337616, 0.04273565129131017], "covariance": [[1.3276028284356473e-11, -1.2548547321854082e-10, -3.029154584516463e-07, -1.4292101775859312e-07], [-1.2548547321854082e-10, 1.8169939225391806e-09, 4.505963655794794e-06, 1.745896944762084e-06], [-3.02915458451646e-07, 4.505963655794793e-06, 0.011227983928027626, 0.004315198644061761], [-1.4292101775859307e-07, 1.745896944762084e-06, 0.0043151986440617615, 0.0018263358912924605]]}