{"coeffs": [-1.0580706030497895e-06, 0.32566080553301746, 1.9343855452995433, 0.16959509754688784], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.6297183911718218e-06, 108.31590330676941, 56.87732184059777, 0.01795158997883355], "covariance": [[2.655982034523671e-12, -0.00013801944965249104, -7.250345272724458e-05, -2.591543859574974e-08], [-0.00013801944964954443, 11732.334909161422, 6160.7172961848955, 1.8799744017257043], [-7.250345272561918e-05, 6160.717296185022, 3235.02973975894, 0.9873478004816227], [-2.591543859543091e-08, 1.8799744017419273, 0.9873478004901228, 0.00032225958276815706]]}