{"coeffs": [-4.402741642477227e-06, 7.642360537441344e-05, 0.29450936385459314, 0.15480200580511896], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.979659419075661e-07, 1.3548405789959282e-06, 0.004742342845587198, 0.005728146728874103], "covariance": [[6.367496444444291e-13, -7.887794375241306e-13, -6.108656677583869e-10, -4.092524354484321e-09], [-7.8877943752413e-13, 1.8355929944940217e-12, 4.931582416083651e-09, 7.114810144657398e-09], [-6.108656677583831e-10, 4.931582416083646e-09, 2.2489815665092076e-05, 1.3984822880110733e-05], [-4.09252435448432e-09, 7.114810144657401e-09, 1.3984822880110757e-05, 3.281166494751109e-05]]}