{"coeffs": [-6.523856375930309e-06, 0.000181278090125715, 0.6337171209889474, 0.21739046913007615], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.2903233327778652e-06, 1.835333664490782e-05, 0.03820888138584048, 0.013644691199656597], "covariance": [[1.6649343031109773e-12, -2.041502383523744e-11, -4.210026619378202e-08, -1.6678895521021675e-08], [-2.0415023835237625e-11, 3.368449660013163e-10, 7.005951254778359e-07, 2.427624733161925e-07], [-4.210026619378245e-08, 7.005951254778358e-07, 0.001459918616757227, 0.0005050573983031917], [-1.667889552102175e-08, 2.4276247331619127e-07, 0.0005050573983031892, 0.0001861775979339862]]}