{"coeffs": [-1.2338181728164652e-06, 0.30549748349735373, 1.9968813407155683, 0.16286966316363627], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.505324359466515e-07, 156.41249852442556, 84.242727474234, 0.013046380338142274], "covariance": [[3.0308596302935396e-13, -6.600500784325938e-05, -3.555778378399219e-05, -6.278335031731164e-09], [-6.600500782524118e-05, 24464.86969465343, 13176.614724702486, 1.9704107642361168], [-3.555778377444122e-05, 13176.614724704305, 7096.837132298059, 1.0613471191937682], [-6.278335030862395e-09, 1.9704107644515827, 1.061347119309678, 0.0001702080399274653]]}