{"coeffs": [-2.353322791781391e-07, 0.27860911667632826, 1.557350008187299, 0.10502545794394162], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.9795926883642883e-07, 351.6106766323374, 133.17802538695625, 0.011741496933442104], "covariance": [[8.877972588553927e-14, -6.0070640785340675e-05, -2.2757350481627287e-05, -2.4535926339961843e-09], [-6.0070640766351145e-05, 123630.06792185013, 46826.81434856228, 3.946450498667582], [-2.275735047428449e-05, 46826.81434856615, 17736.38644596876, 1.494886427619873], [-2.453592633591283e-09, 3.946450499098286, 1.4948864277827836, 0.00013786275023803033]]}