{"coeffs": [-1.6134817986848595e-06, 0.312449347746251, 2.533210446051484, 0.20705123934581193], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [1.757944872089396e-06, 1769.3383937612673, 1176.7943576656894, 0.09001218897904717], "covariance": [[3.0903701733054026e-12, -0.002634846990928809, -0.0017525995835996101, -1.4733007755525773e-07], [-0.0026348469933422233, 3130558.3516377015, 2082147.4116957537, 155.01160741992865], [-0.0017525995851925848, 2082147.4116951933, 1384844.9602338027, 103.10276984351565], [-1.4733007762302007e-07, 155.01160735870988, 103.10276980285686, 0.008102194164799702]]}