{"coeffs": [-1.5486820905526034e-06, 6.378350946574675e-05, 0.555582508300821, 0.16676552459702582], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.459869861751627e-07, 2.6448514191465523e-06, 0.012902235697028122, 0.005493048191918267], "covariance": [[6.050959736753966e-14, -5.067145464921254e-13, -2.3658556928735733e-09, -1.2163230882718507e-09], [-5.067145464921253e-13, 6.995239029361532e-12, 3.4002014560378674e-08, 1.3840020324706363e-08], [-2.3658556928735704e-09, 3.400201456037867e-08, 0.00016646768598166677, 6.688268228901821e-05], [-1.2163230882718509e-09, 1.3840020324706368e-08, 6.688268228901824e-05, 3.0173578438736546e-05]]}