{"coeffs": [-1.0935303222879716e-07, 0.28357997686797565, 1.336773256510414, 0.07135922399285989], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.7989091958134337e-08, 413.605375550122, 104.3748748280734, 0.0029698962272962344], "covariance": [[7.833892686409002e-16, -4.951310369585633e-06, -1.2495900677426592e-06, -4.51072636654458e-11], [-4.951310373328849e-06, 171069.40668395747, 43170.009148156896, 1.1744770341837898], [-1.2495900687311822e-06, 43170.009148154204, 10894.11449537599, 0.2963913434619562], [-4.510726368462543e-11, 1.1744770339169694, 0.29639134339448675, 8.820283600908406e-06]]}