{"coeffs": [-1.3219777312439963e-06, 0.0006053121095293477, 1.055289148275316, 0.1648567411823883], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.5252036207768438e-06, 0.004046615387587395, 1.3137243905852931, 0.05573272471157668], "covariance": [[2.3262460848307943e-12, -4.76033588824509e-09, -1.5726790238507237e-06, -7.471422623523037e-08], [-4.760335888246019e-09, 1.6375096095059083e-05, 0.0053137848649179266, 0.00021764213883463667], [-1.5726790238510032e-06, 0.0053137848649178815, 1.7258717744186998, 0.07118988209898007], [-7.471422623523687e-08, 0.00021764213883461954, 0.07118988209897512, 0.00310613660377639]]}