{"coeffs": [-4.906171646413634e-08, 0.25689199347654695, 1.3293607560552723, 0.06876136728200856], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [6.996783783779965e-08, 1820.286924110711, 488.65919890808584, 0.010614796050279537], "covariance": [[4.8954983316966295e-15, -5.3054098797597244e-05, -1.4243438834676165e-05, -3.9324697053430145e-10], [-5.305409877228838e-05, 3313444.4860884333, 889499.9481974947, 18.481226712796335], [-1.424343882829826e-05, 889499.9481975215, 238787.8126774922, 4.961416902085617], [-3.932469704421815e-10, 18.481226715385755, 4.9614169027822035, 0.00011267389518903004]]}