{"coeffs": [-1.2669495503999476e-06, 0.42163739008558326, 2.045736088434886, 0.17410778175873584], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [7.417054638527505e-07, 114.8950291393479, 47.72037365433057, 0.009791980130966015], "covariance": [[5.501269951090238e-13, -6.745197494761988e-05, -2.80227832326523e-05, -6.4853701149922106e-09], [-6.745197494506632e-05, 13200.867720931601, 5482.833232298925, 1.0886941940829518], [-2.8022783231623052e-05, 5482.833232299065, 2277.2340617089276, 0.4522267185879019], [-6.485370114868281e-09, 1.0886941941001544, 0.4522267185950295, 9.58828748852332e-05]]}