{"coeffs": [-6.921449387287918e-07, 0.026646364496606845, 1.7994321139947815, 0.17113285990419408], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.4063407783228173e-07, 2.8718245313521673, 18.55211095959898, 0.013735691332131247], "covariance": [[5.790475941419262e-14, -5.426319921505685e-07, -3.5082714229487203e-06, -2.936157284879965e-09], [-5.42631992149128e-07, 8.247376138876096, 53.27836266979166, 0.03814948443334535], [-3.5082714229404004e-06, 53.278362669791996, 344.18082105727257, 0.24653092701552978], [-2.9361572848766758e-09, 0.03814948443339325, 0.24653092701583962, 0.00018866921637158548]]}