{"coeffs": [-8.257783762219565e-06, 0.0001886780691868721, 0.6941302177122263, 0.2712432679046311], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.4890480038317404e-06, 2.981278290160908e-05, 0.071080842425959, 0.021202110903603046], "covariance": [[2.217263957715291e-12, -3.989923057219325e-11, -9.529359531238033e-08, -3.045095432512875e-08], [-3.989923057219314e-11, 8.888020243384747e-10, 2.1181988384991846e-06, 6.176892761279603e-07], [-9.529359531238001e-08, 2.1181988384991846e-06, 0.005052486159984012, 0.0014764500223209411], [-3.045095432512873e-08, 6.176892761279608e-07, 0.0014764500223209426, 0.0004495295067686831]]}