{"coeffs": [-2.03975060398545e-07, 3.185570112167215e-05, 0.6093923616690422, 0.15130945040808647], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.08571339953567e-08, 1.04953637106332e-06, 0.008989302360829272, 0.0023801807124749215], "covariance": [[9.521627184073979e-16, -2.311145000049301e-14, -1.986431264406834e-10, -6.204206131132548e-11], [-2.3111450000492968e-14, 1.1015265941847627e-12, 9.41745826975025e-09, 2.3739257333444576e-09], [-1.9864312644068337e-10, 9.41745826975025e-09, 8.080755693441071e-05, 2.0524716669131296e-05], [-6.204206131132548e-11, 2.373925733344458e-09, 2.0524716669131302e-05, 5.665260224037624e-06]]}