{"coeffs": [-3.0360792967581164e-06, 0.6474960409122127, 2.2675375515462175, 0.19430550225385332], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.7594106170031166e-06, 421.43604602218886, 127.01024793399074, 0.0202702223806592], "covariance": [[3.095525719223287e-12, -0.0006141441481998592, -0.0001851212891425492, -3.2767742531346676e-08], [-0.0006141441479984671, 177608.3408868165, 53526.69395401377, 8.296832151657616], [-0.00018512128908072082, 53526.693954023496, 16131.6030802538, 2.500652843324255], [-3.276774252589724e-08, 8.296832152814794, 2.500652843672823, 0.0004108819153613771]]}