{"coeffs": [-2.2192469389396434e-06, 6.378773901210771e-05, 0.38557007833457035, 0.15418037444722751], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.6783825169455437e-07, 9.980721012714499e-07, 0.0045575168683763025, 0.0034560364674827747], "covariance": [[7.173732907079546e-14, -1.941354104637322e-13, -6.493127531238926e-10, -8.134240247026663e-10], [-1.9413541046373227e-13, 9.961479193364074e-13, 4.358525365216003e-09, 3.207141261649216e-09], [-6.493127531238939e-10, 4.3585253652160035e-09, 2.0770960005534536e-05, 1.3034505378960237e-05], [-8.134240247026667e-10, 3.2071412616492153e-09, 1.3034505378960227e-05, 1.1944188064570816e-05]]}