{"coeffs": [-1.3136220024991754e-06, 0.15707026212508285, 2.222291523545522, 0.19440831564013972], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [3.804354903008617e-07, 56.06373346147991, 70.08451133399588, 0.014252487052268809], "covariance": [[1.4473116228045703e-13, -1.766862566529993e-05, -2.209227324508211e-05, -4.982386215458523e-09], [-1.766862566564948e-05, 3143.1422096398624, 3929.1990553199935, 0.7760664440140859], [-2.2092273245622934e-05, 3929.199055319945, 4911.838728924996, 0.9702441019519267], [-4.982386215530832e-09, 0.7760664440081566, 0.9702441019443483, 0.00020313338717509]]}