{"coeffs": [3.0882734290435435e-07, 1.3231667853278906, 1.625685037098002, 0.1011409294969364], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [4.5557393705222433e-07, 4254.40031321226, 326.55753147566725, 0.010369259956107817], "covariance": [[2.0754761212126404e-13, -0.0010789927233870436, -8.282788104757684e-05, -3.233688009421409e-09], [-0.0010789927233651984, 18099922.02506057, 1389306.4580765665, 42.15193062911269], [-8.28278810452563e-05, 1389306.4580765727, 106639.82136348142, 3.235574384360123], [-3.2336880093561795e-09, 42.15193062970351, 3.2355743844057545, 0.0001075215520373411]]}