{"coeffs": [-3.041562591559315e-06, 0.00020505052978413006, 0.6842094428467024, 0.18392678182707922], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.3017113064876128e-06, 7.144114676389683e-05, 0.11089601365506892, 0.02891630619216975], "covariance": [[5.297874938412913e-12, -1.335823873988129e-10, -2.08704789311689e-07, -6.095849236414637e-08], [-1.3358238739881276e-10, 5.1038374509406475e-09, 7.914124279920513e-06, 1.989673156621206e-06], [-2.087047893116889e-07, 7.914124279920515e-06, 0.012297925844585233, 0.003110024161225774], [-6.095849236414643e-08, 1.9896731566212066e-06, 0.003110024161225774, 0.0008361527637993148]]}