{"coeffs": [-1.233112675132279e-06, 9.472075806303169e-05, 0.38167511641499235, 0.13709044835880616], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.037581777980809e-07, 1.871730847283568e-06, 0.005541904003447878, 0.00420937144899806], "covariance": [[2.537723016984429e-13, -6.319001658490846e-13, -1.2466772637562148e-09, -1.7838404462112463e-09], [-6.319001658490841e-13, 3.5033763646728636e-12, 9.825666764632954e-09, 7.2081214410338566e-09], [-1.2466772637562138e-09, 9.825666764632953e-09, 3.071269998343161e-05, 1.8586728053664104e-05], [-1.783840446211246e-09, 7.208121441033859e-09, 1.858672805366411e-05, 1.771880799564003e-05]]}