{"coeffs": [-5.630606040503905e-12, 0.08868607314357482, 1.4726423772012687, 0.10056333387928358], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.776143211566925e-08, 49.494169454112935, 56.196155056856774, 0.0076752825378479045], "covariance": [[9.557297609306607e-15, -2.699640862650942e-06, -3.0661298643744534e-06, -5.132573370435467e-10], [-2.6996408623855755e-06, 2449.6728099524457, 2781.381857153696, 0.3631311568681034], [-3.0661298640885786e-06, 2781.381857153796, 3158.0078431742895, 0.4123460010074553], [-5.132573370164985e-10, 0.3631311568798948, 0.41234600102076413, 5.890996203579297e-05]]}