{"coeffs": [-1.7166793451628e-08, 3.7530146855976044e-05, 0.6162118209168745, 0.10898871916843475], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.0007268706679037e-08, 1.8743458432283804e-06, 0.009732603055211196, 0.0021779209279135406], "covariance": [[9.004361752348392e-16, -3.1234689663378446e-14, -1.6417041672804715e-10, -4.567215841670419e-11], [-3.1234689663378497e-14, 3.5131723400275083e-12, 1.8197656952421886e-08, 3.8364938029729415e-09], [-1.6417041672804764e-10, 1.819765695242188e-08, 9.47235622303063e-05, 2.0229428484584533e-05], [-4.56721584167042e-11, 3.836493802972935e-09, 2.0229428484584506e-05, 4.743339568243777e-06]]}