{"coeffs": [-1.8405926894896892e-08, 0.13101695258999282, 1.2059767718762748, 0.061445123191691375], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.8933379094433665e-08, 228.96139572598767, 107.80879599072746, 0.005129282956845158], "covariance": [[1.5158080077108844e-15, -3.4514079970558807e-06, -1.6253543640930332e-06, -9.845289951130924e-11], [-3.4514079996119343e-06, 52423.32073279233, 24684.05219291836, 1.1255252861567764], [-1.6253543652954837e-06, 24684.052192916184, 11622.736492970293, 0.5299854998789534], [-9.845289954991689e-11, 1.1255252859292189, 0.5299854997718899, 2.630954365138221e-05]]}