{"coeffs": [-1.646521057728503e-06, 0.2309696924827577, 2.175975219570733, 0.18925415421669342], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.7501997749359314e-06, 259.1075621296319, 213.53298299744105, 0.04367431995274104], "covariance": [[3.063199252185785e-12, -0.00037182490244129876, -0.0003064962377190051, -6.97994200947624e-08], [-0.0003718249024457266, 67136.72875276105, 55328.00614944906, 10.981026695772007], [-0.00030649623772184206, 55328.00614944861, 45596.334827785446, 9.050475680733483], [-6.979942009511016e-08, 10.981026695717354, 9.050475680690317, 0.001907446223334394]]}