{"coeffs": [-4.73833608739223e-07, 8.017239638294653e-05, 0.42021859776843495, 0.12338224755708319], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.612182971403357e-07, 4.140797940270914e-06, 0.013759781448084348, 0.008625822437801208], "covariance": [[5.794532959012323e-13, -1.936745931312991e-12, -4.803840805883987e-09, -5.183939067412153e-09], [-1.9367459313129922e-12, 1.7146207582151845e-11, 5.5170370937580567e-08, 3.2517994313685045e-08], [-4.803840805883989e-09, 5.517037093758058e-08, 0.0001893315854990462, 9.985379731950551e-05], [-5.183939067412156e-09, 3.251799431368504e-08, 9.985379731950548e-05, 7.440481272847478e-05]]}