{"coeffs": [-4.792738038237221e-08, 6.744458427672397e-05, 0.7496876578359619, 0.10704663332265192], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.668753230836241e-08, 1.5110672301890216e-05, 0.03344030810567871, 0.0031284762813318257], "covariance": [[7.122243807098875e-16, -2.228421548642269e-13, -5.107177801820532e-10, -5.727158775595828e-11], [-2.2284215486423003e-13, 2.2833241741511213e-10, 5.046172360064733e-07, 4.490999457918536e-08], [-5.107177801820582e-10, 5.046172360064727e-07, 0.001118254206202721, 0.00010088149953959546], [-5.727158775595877e-11, 4.490999457918502e-08, 0.00010088149953959481, 9.787363842855809e-06]]}