{"coeffs": [-4.87734373890529e-07, 0.2562416481285966, 1.760635896756245, 0.1388575232965107], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.066969889252116e-07, 108.86614126922845, 59.40668512849289, 0.011153784252172668], "covariance": [[2.56741838585876e-13, -3.8603054483294486e-05, -2.1071778805488628e-05, -4.631666522603001e-09], [-3.860305448542632e-05, 11851.836714851604, 6467.375983156868, 1.1669846602234055], [-2.1071778806619318e-05, 6467.3759831566595, 3529.1542379558978, 0.6368849310595259], [-4.6316665227319615e-09, 1.1669846601983735, 0.6368849310458856, 0.000124406903144015]]}