{"coeffs": [-1.575988899844002e-06, 4.863435801864008e-05, 0.35841394779699326, 0.15148978728243062], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.9698281235856508e-07, 7.305794299027542e-07, 0.0042334120754312235, 0.0032190592143099533], "covariance": [[3.8802228364689663e-14, -1.0687189373901385e-13, -4.6398029762243014e-10, -5.637115194341957e-10], [-1.0687189373901406e-13, 5.337463033970334e-13, 2.9715465478244346e-09, 2.1966080635991683e-09], [-4.6398029762243185e-10, 2.9715465478244363e-09, 1.7921777800406903e-05, 1.1390265380343752e-05], [-5.637115194341959e-10, 2.1966080635991662e-09, 1.1390265380343734e-05, 1.0362342225233815e-05]]}