{"coeffs": [-3.092883624766044e-07, 0.3186513247568907, 1.8275212796665017, 0.1460020651061463], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.749556931709349e-07, 130.50677980582765, 60.19948871353103, 0.010813163816978617], "covariance": [[3.305740491096702e-13, -5.4159120819351906e-05, -2.498942790979427e-05, -5.210726113369512e-09], [-5.415912080894819e-05, 17032.01957528678, 7856.440774918302, 1.3581573295579032], [-2.4989427904822284e-05, 7856.440774919134, 3623.9784413705497, 0.6265551339034542], [-5.210726112861767e-09, 1.3581573296582061, 0.6265551339496692, 0.0001169245117328156]]}