{"coeffs": [-5.853908298065863e-08, 0.1659479956243347, 1.279022591710303, 0.06785846804461103], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.966613080324806e-08, 232.6375558106965, 95.44522560721033, 0.003794624993921261], "covariance": [[8.800793168354235e-16, -2.8514621877905184e-06, -1.1700191570085224e-06, -5.911799561959699e-11], [-2.8514621857906062e-06, 54120.23237357494, 22204.143857550385, 0.8446151671287878], [-1.1700191562141793e-06, 22204.143857551928, 9109.791091211278, 0.34653582834220614], [-5.911799559818816e-11, 0.8446151672871769, 0.34653582840693226, 1.439917884449193e-05]]}