{"coeffs": [-2.2383478188311463e-06, 0.09481121063789646, 2.608738884098946, 0.2539131719178043], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [9.707154526589645e-07, 43.543369160062355, 118.1361932707848, 0.04052549613461737], "covariance": [[9.422884900308984e-13, -3.785343919445943e-05, -0.00010272334842754091, -3.7738321535461e-08], [-3.7853439190365125e-05, 1896.0249978094696, 5144.047158644217, 1.72863870535433], [-0.00010272334841640738, 5144.047158644857, 13956.16016051222, 4.690423658698473], [-3.773832153341418e-08, 1.7286387054378813, 4.690423658924626, 0.0016423158369568871]]}