{"coeffs": [-6.540444034485487e-06, 0.00010140393690786018, 0.531555485782711, 0.21824489182228335], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.71488434908816e-06, 1.0826655088366564e-05, 0.03907875843345934, 0.02113559519414833], "covariance": [[2.9408283307475223e-12, -1.60356336000066e-11, -5.4843195836286795e-08, -3.446741779275235e-08], [-1.6035633600006734e-11, 1.1721646040245362e-10, 4.21082546421554e-07, 2.213497914152017e-07], [-5.484319583628738e-08, 4.2108254642155446e-07, 0.0015271493607006699, 0.0007824876477455201], [-3.4467417792752506e-08, 2.213497914152009e-07, 0.0007824876477455161, 0.00044671338421090593]]}