{"coeffs": [-6.797695084153939e-08, 4.384667499193653e-05, 0.7482726765584077, 0.11646413033465604], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.651996471281691e-08, 1.4861281913411729e-05, 0.05642007325752527, 0.0059031268715375685], "covariance": [[1.3337078226253925e-15, -3.2072287537094124e-13, -1.2592488827273116e-09, -1.5625585202682257e-10], [-3.207228753709364e-13, 2.2085770010989856e-10, 8.372650914412717e-07, 8.341035873840234e-08], [-1.2592488827272971e-09, 8.372650914412729e-07, 0.003183224666384519, 0.0003214649290028104], [-1.562558520268213e-10, 8.341035873840299e-08, 0.00032146492900281254, 3.484690686146892e-05]]}