{"coeffs": [-2.622110230827578e-07, 0.8802491579723283, 2.0082811383758736, 0.14588522894565123], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [7.42183806659179e-07, 2040.2691838739634, 339.53551937806236, 0.017549120773873175], "covariance": [[5.508368028671096e-13, -0.0010921418977369612, -0.00018176841767154648, -1.0911214428571836e-08], [-0.0010921418977512965, 4162698.342665728, 692743.8507966391, 34.45710117042728], [-0.00018176841767298887, 692743.8507966371, 115284.36891933055, 5.734464909585341], [-1.0911214428605044e-08, 34.45710117024109, 5.7344649095566895, 0.000307971639935987]]}