{"coeffs": [-5.901914375475623e-06, 0.00010681449425794452, 0.3631018596385971, 0.18257906851343517], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.532018153832191e-06, 1.0124825136469934e-05, 0.028589555894020693, 0.025715564314263358], "covariance": [[1.247515223900016e-11, -2.8420644271729294e-11, -5.7583184415743576e-08, -8.372552710804643e-08], [-2.8420644271729174e-11, 1.0251208404409342e-10, 2.7352186755303234e-07, 2.460762955758253e-07], [-5.7583184415743066e-08, 2.735218675530317e-07, 0.0008173627062173334, 0.000598793677312857], [-8.372552710804624e-08, 2.4607629557582565e-07, 0.0005987936773128596, 0.0006612902480010152]]}