{"coeffs": [-9.625346859608395e-07, 0.2136529236124273, 1.9688111551130116, 0.16341693878018027], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.374303381118522e-07, 102.76588241641244, 79.1018994970063, 0.014911517161999543], "covariance": [[2.8883136832301973e-13, -4.240409310773418e-05, -3.264828319946314e-05, -7.013055616707436e-09], [-4.240409310548531e-05, 10560.826588823908, 8128.975839819369, 1.479814004791027], [-3.2648283197708194e-05, 8128.97583981964, 6257.110504034486, 1.139179506987972], [-7.013055616522932e-09, 1.4798140048235102, 1.1391795070129642, 0.00022235334407260692]]}