{"coeffs": [1.2743064401838011e-08, 0.013337580085408324, 1.2749280583206815, 0.0817008847935317], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.9642786700559256e-08, 17.689492510654837, 108.29119745255664, 0.014862566991949901], "covariance": [[8.786948033748528e-16, -2.365924507598996e-07, -1.448874791550061e-06, -2.517679057406911e-10], [-2.365924507436117e-07, 312.9181452845135, 1915.6162091964463, 0.250952908788085], [-1.44887479146089e-06, 1915.6162091964893, 11726.98344570861, 1.5364461875477113], [-2.51767905731754e-10, 0.25095290879311843, 1.5364461875784543, 0.00022089589759019876]]}