{"coeffs": [-9.822272711551784e-07, 3.955335531624109e-05, 0.528525913590932, 0.1833099122146538], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [8.387228212890412e-08, 9.693635887750411e-07, 0.00828185637401137, 0.0033828672040305627], "covariance": [[7.034559709510491e-15, -6.452687246568028e-14, -5.328613309334499e-10, -2.579554391539772e-10], [-6.452687246568025e-14, 9.39665767242827e-13, 8.00570865829309e-09, 3.133978224611337e-09], [-5.328613309334497e-10, 8.00570865829309e-09, 6.858914499975274e-05, 2.6598439514200362e-05], [-2.5795543915397715e-10, 3.133978224611338e-09, 2.6598439514200373e-05, 1.1443790520105558e-05]]}