{"coeffs": [-4.259362960504841e-08, 4.007753788532122e-05, 0.6631557750638474, 0.10019443884191304], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.075405909310805e-08, 4.728654610954054e-06, 0.01914470935374797, 0.0030666990344655944], "covariance": [[9.458121507023821e-16, -7.557310238396984e-14, -3.1528357933133314e-10, -6.19617276769864e-11], [-7.55731023839694e-14, 2.236017442969704e-11, 9.034361667077651e-08, 1.3686075257484143e-08], [-3.1528357933133283e-10, 9.03436166707765e-08, 0.00036651989623948507, 5.6376146224257776e-05], [-6.196172767698623e-11, 1.3686075257484141e-08, 5.6376146224257776e-05, 9.404642967992208e-06]]}