{"coeffs": [-6.464664664825057e-07, 4.893974780744065e-05, 0.4165196403993546, 0.11372327514669568], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.0855675529558513e-07, 1.0947117159845916e-06, 0.005649679484889512, 0.0036298272010960365], "covariance": [[4.3495920179422576e-14, -1.301432239660445e-13, -4.6512745171471267e-10, -5.701855401142524e-10], [-1.301432239660445e-13, 1.1983937411139291e-12, 5.9387085194244755e-09, 3.5735400591682954e-09], [-4.65127451714713e-10, 5.9387085194244755e-09, 3.191887828198142e-05, 1.6805765683411303e-05], [-5.701855401142523e-10, 3.5735400591682946e-09, 1.68057656834113e-05, 1.3175645509816687e-05]]}