{"coeffs": [-1.0729861459983901e-07, 0.00016933595727389506, 0.938302277551152, 0.13094158711230502], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.827363090029106e-08, 0.00024945996380443844, 0.2268978307316733, 0.008467083796193346], "covariance": [[3.395816058303357e-15, -9.408279769986159e-12, -8.745850121016272e-09, -3.821172803741321e-10], [-9.408279769985204e-12, 6.223027354131172e-08, 5.657536535243576e-05, 2.0209582229641802e-06], [-8.745850121015592e-09, 5.657536535243599e-05, 0.05148262559073907, 0.001854197481610323], [-3.821172803741142e-10, 2.0209582229642637e-06, 0.0018541974816103912, 7.169150801175991e-05]]}