{"coeffs": [-4.349991955521014e-06, 0.00010232888232668165, 0.5023357214754993, 0.18439854688491322], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.788714886735928e-07, 4.053191871810985e-06, 0.012989562957430893, 0.007383574896249513], "covariance": [[4.608664981339001e-13, -2.2435543456295183e-12, -6.580650010885452e-09, -4.643789306303926e-09], [-2.2435543456295102e-12, 1.6428364349714638e-11, 5.219509648402647e-08, 2.8614881328319602e-08], [-6.580650010885419e-09, 5.219509648402644e-08, 0.00016872874582506082, 8.880348657563983e-05], [-4.6437893063039186e-09, 2.8614881328319645e-08, 8.880348657564002e-05, 5.451717824852601e-05]]}