{"coeffs": [5.864386475663106e-07, 0.747126804384959, 1.9296626343387964, 0.13896339210275607], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [3.095690637506105e-06, 7491.36698502444, 1400.4640991481745, 0.07841831360124449], "covariance": [[9.583300523142954e-12, -0.016240347304677473, -0.0030363597015052135, -1.9904072739851016e-07], [-0.016240347304188805, 56120579.30431417, 10491390.403826592, 564.6112980847308], [-0.003036359701491206, 10491390.403826607, 1961299.693002908, 105.55497425532155], [-1.990407273961328e-07, 564.6112980864671, 105.55497425565532, 0.006149431908063126]]}