{"coeffs": [-4.533432913132092e-06, 5.414436382958712e-05, 0.29288556106482877, 0.1967429548494749], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.0700191539201497e-06, 3.3185912338903656e-06, 0.01622991864506266, 0.022664507128840217], "covariance": [[4.284979297596293e-12, -5.636484115973344e-12, -9.798955488009252e-09, -4.408224789069406e-08], [-5.6364841159733445e-12, 1.1013047777653978e-11, 4.1806888383393836e-08, 7.128168341563984e-08], [-9.798955488009259e-09, 4.180688838339384e-08, 0.0002634102592253525, 0.0002087375781465596], [-4.408224789069406e-08, 7.128168341563983e-08, 0.00020873757814655953, 0.000513679883393249]]}