{"coeffs": [-9.002632998910302e-08, 0.005124703528387033, 1.526210878645737, 0.1460755013359755], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.2825613298583638e-08, 0.14694472266754577, 4.237249129309681, 0.00457077104326365], "covariance": [[5.210086224564783e-16, -2.3390225059863644e-09, -6.754358926622226e-08, -8.532207095014697e-11], [-2.339022505985945e-09, 0.02159275151984194, 0.6226402181827804, 0.0006452348822955448], [-6.754358926624704e-08, 0.6226402181827804, 17.95428018383565, 0.018616191793478044], [-8.532207095015267e-11, 0.0006452348822955447, 0.018616191793478044, 2.0891947929937477e-05]]}