{"coeffs": [-2.742660741317688e-06, 7.731790508950405e-05, 0.5014879642174291, 0.1812832159773189], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [8.099689511791094e-07, 7.483760466881615e-06, 0.03226073165116195, 0.014716719528559921], "covariance": [[6.560497018741864e-13, -4.7888008947474924e-12, -1.9586097223933666e-08, -1.0829127806894762e-08], [-4.7888008947474924e-12, 5.600667072566013e-11, 2.4039448070389417e-07, 1.05030589985738e-07], [-1.958609722393367e-08, 2.4039448070389417e-07, 0.0010407548066682824, 0.00044656570564851955], [-1.0829127806894759e-08, 1.0503058998573797e-07, 0.00044656570564851955, 0.00021658183368229695]]}