{"coeffs": [-4.457861251299046e-06, 0.00016216708940885996, 0.6007170432347111, 0.1962863690739798], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.4933497843394316e-06, 1.9248054659359147e-05, 0.04164384839184766, 0.015826347100091773], "covariance": [[2.2300935783866268e-12, -2.3971485023084776e-11, -5.092684088026726e-08, -2.2038940148117992e-08], [-2.397148502308457e-11, 3.7048760816967733e-10, 8.00316741552045e-07, 2.9357733019490346e-07], [-5.092684088026674e-08, 8.003167415520448e-07, 0.0017342101088831932, 0.0006333709421673082], [-2.2038940148117873e-08, 2.935773301949046e-07, 0.0006333709421673109, 0.0002504732625325833]]}