{"coeffs": [-1.8208392907241683e-06, 0.3614631563857573, 2.005055730222759, 0.16376920418280924], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [9.02178216873001e-07, 259.32684316372445, 118.0449368657253, 0.018141721590541372], "covariance": [[8.139255350001476e-13, -0.0001798285054902462, -8.187550176783602e-05, -1.4333564609492642e-08], [-0.00017982850544040206, 67250.41158526293, 30612.21909073593, 4.543579829872398], [-8.187550174521232e-05, 30612.219090740204, 13934.607119633074, 2.0684131752282786], [-1.4333564607448397e-08, 4.5435798303782615, 2.068413175458522, 0.000329122062268715]]}