{"coeffs": [-8.567717958942104e-06, 0.00010471993876619867, 0.4213284277081213, 0.20434352937319125], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.007743211447015e-06, 5.688073324193197e-06, 0.016535207237909143, 0.015159590440071237], "covariance": [[4.031032803111572e-12, -9.673569849044004e-12, -2.2173934626469025e-08, -2.8826829989682318e-08], [-9.673569849044007e-12, 3.2354178141398246e-11, 9.010571101681162e-08, 8.27520116122857e-08], [-2.2173934626469018e-08, 9.010571101681162e-08, 0.0002734130784006029, 0.00021427302499645492], [-2.882682998968231e-08, 8.275201161228569e-08, 0.00021427302499645492, 0.00022981318231069921]]}