{"coeffs": [-6.40535408356555e-07, 0.3499496932890209, 1.909124170937111, 0.15373407555037286], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [3.91705456594392e-07, 105.36981936449489, 46.54210230595128, 0.007548869018539285], "covariance": [[1.5343316472582112e-13, -3.06837897112436e-05, -1.3556472885027686e-05, -2.5308487911933904e-09], [-3.068378970985493e-05, 11102.798832906283, 4904.1325899842695, 0.7666779431804138], [-1.3556472884478205e-05, 4904.132589984374, 2166.1672870576353, 0.33867738934618685], [-2.530848791146114e-09, 0.7666779431929033, 0.33867738935165737, 5.6985423459062273e-05]]}