{"coeffs": [-1.1848006179667486e-06, 3.6880263614875344e-05, 0.5213751893327017, 0.20211602800245398], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.242655307800349e-08, 6.921832747859678e-07, 0.00682400270046906, 0.0030101279124904326], "covariance": [[5.245605590760856e-15, -4.144677935633741e-14, -3.9385506249661027e-10, -2.0273990109968925e-10], [-4.144677935633739e-14, 4.791176858934266e-13, 4.710037533345631e-09, 2.002378576916191e-09], [-3.9385506249661e-10, 4.71003753334563e-09, 4.656701285600903e-05, 1.954339882698018e-05], [-2.0273990109968915e-10, 2.0023785769161914e-09, 1.954339882698019e-05, 9.060870049554009e-06]]}