{"coeffs": [-4.687827128342222e-07, 3.187808403119853e-05, 0.45000874026095006, 0.13108736659739129], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.486054691055646e-07, 3.2462236602528484e-06, 0.027673395893563987, 0.01497289822028746], "covariance": [[2.0124686691142368e-13, -9.408382050853396e-13, -6.759459049804444e-09, -5.4323575782168604e-09], [-9.408382050853394e-13, 1.0537968052385401e-11, 8.834705576519289e-08, 4.4875535205311355e-08], [-6.759459049804452e-09, 8.834705576519289e-08, 0.0007658168402819241, 0.00036685146368318323], [-5.4323575782168604e-09, 4.4875535205311335e-08, 0.0003668514636831831, 0.0002241876811150874]]}