{"coeffs": [-3.5695283228046533e-06, 0.35378913926300604, 2.3820185433953154, 0.1983342481630454], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [3.1369510193741278e-06, 1634.038211051757, 922.5925326257276, 0.09928201226788848], "covariance": [[9.840461697952379e-12, -0.0042783771995791526, -0.002415911085689778, -2.874664313670008e-07], [-0.004278377199781924, 2670080.875177226, 1507551.4140232273, 157.67715977504915], [-0.0024159110858081173, 1507551.4140231973, 851176.9812567541, 89.03073070655925], [-2.874664313742052e-07, 157.67715977164423, 89.0307307046381, 0.009856917959961159]]}