{"coeffs": [6.6551989567353905e-09, 2.0776764446009605e-05, 0.6610875923956238, 0.08321842807955149], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.997252777167426e-08, 6.68453204978032e-06, 0.042401234276013326, 0.006145247156479345], "covariance": [[8.983524210237847e-16, -8.941179464125551e-14, -5.865791122360309e-10, -1.0604147036500612e-10], [-8.941179464125486e-14, 4.468296872454028e-11, 2.8286677774916443e-07, 3.876025011481006e-08], [-5.865791122360275e-10, 2.828667777491646e-07, 0.001797864668129367, 0.0002502295985635713], [-1.0604147036500564e-10, 3.876025011481018e-08, 0.0002502295985635719, 3.7764062614217474e-05]]}