{"coeffs": [-1.068493840252345e-06, 7.744681809468126e-05, 0.49593794529592483, 0.13822592080536691], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.8268166987549424e-07, 1.2827264232949191e-06, 0.004587295190368108, 0.0024813464000412004], "covariance": [[3.337259250849906e-14, -1.6388167058004816e-13, -5.100582693361173e-10, -3.853154158716068e-10], [-1.6388167058004803e-13, 1.6453870770189763e-12, 5.80549177757855e-09, 2.970598948921407e-09], [-5.100582693361169e-10, 5.805491777578551e-09, 2.104327716357438e-05, 1.0227535190368357e-05], [-3.8531541587160664e-10, 2.9705989489214083e-09, 1.0227535190368358e-05, 6.157079956997426e-06]]}