{"coeffs": [-8.300055925128959e-07, 0.2963400060464878, 1.9284742472698109, 0.1560890279240561], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.585450895163473e-07, 120.27124735372915, 63.7235631842343, 0.01041511674630611], "covariance": [[2.1026359911955496e-13, -4.134215330279505e-05, -2.1909784405523154e-05, -4.1113343248827e-09], [-4.1342153314703684e-05, 14465.172940021903, 7664.1119248494915, 1.2079379107662596], [-2.1909784411724993e-05, 7664.111924848342, 4060.692504895101, 0.6400679189220316], [-4.111334325474029e-09, 1.207937910629169, 0.6400679188495207, 0.00010847465683918597]]}