{"coeffs": [-1.6138789347795525e-06, 0.00014498126467736341, 0.6509633320630197, 0.15101522993200184], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.1651263156919125e-07, 1.0466300362340188e-05, 0.019445102447063822, 0.005148574975747665], "covariance": [[1.0018024594285462e-13, -2.441391147403424e-12, -4.554768010275879e-09, -1.4060591623870712e-09], [-2.4413911474034245e-12, 1.0954344327472235e-10, 2.0318551370654108e-07, 5.135863747127704e-08], [-4.554768010275875e-09, 2.0318551370654106e-07, 0.0003781120091768074, 9.625841525084864e-05], [-1.4060591623870706e-09, 5.1358637471277006e-08, 9.625841525084858e-05, 2.650782428089507e-05]]}