{"coeffs": [5.410838649373471e-09, 0.052171956376740325, 1.2589472830947015, 0.0675681957636539], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.263805361173943e-08, 466.6378293139601, 606.0719473383982, 0.018166571404427324], "covariance": [[1.065242543562777e-15, -6.011325807158082e-06, -7.808272487231835e-06, -2.990521230677168e-10], [-6.011325813946369e-06, 217750.86374684452, 282816.0968223593, 8.10843165916357], [-7.808272495938608e-06, 282816.09682233416, 367323.20535055816, 10.531560456331595], [-2.990521232443265e-10, 8.108431656659075, 10.531560453081747, 0.0003300243165921565]]}