{"coeffs": [-3.283134880567328e-08, 0.17164474721864226, 2.2004054042204526, 0.1386431415023694], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.486712537606691e-07, 33663.56454389833, 27377.36106081584, 0.16163005666588925], "covariance": [[2.210314169476927e-14, -0.003372624415813145, -0.002742875052875643, -1.9154463315294994e-08], [-0.0033726244192362393, 1133235577.8012085, 921619560.9374801, 5220.453040975137], [-0.0027428750558685234, 921619560.937454, 749519898.6542754, 4245.630168977444], [-1.9154463324712128e-08, 5220.453038771423, 4245.630167178291, 0.026124275217818568]]}