{"coeffs": [-9.145186355523234e-07, 0.3856533857286554, 1.903888126210163, 0.15544724932914317], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.4620410444363205e-07, 91.99466973194323, 37.283084709432515, 0.006881047239708413], "covariance": [[1.990981028223437e-13, -3.0701209602377355e-05, -1.2445834213008573e-05, -2.63899337962191e-09], [-3.070120959784973e-05, 8463.019259089311, 3429.8447835221527, 0.6103517054830133], [-1.2445834211231332e-05, 3429.8447835224492, 1390.0284054507206, 0.24738740631903944], [-2.6389933794247715e-09, 0.6103517055187944, 0.24738740633350167, 4.734881111509877e-05]]}