{"coeffs": [-8.283443136460963e-07, 5.57197724204006e-05, 0.40862664303864477, 0.11682794568725613], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [8.309180969999017e-07, 4.03849604663519e-06, 0.01862624241925432, 0.012394235455619728], "covariance": [[6.904248839219381e-13, -1.962416085974923e-12, -6.146973510576646e-09, -7.90957022840107e-09], [-1.9624160859749247e-12, 1.6309450318688058e-11, 7.196692247627335e-08, 4.506961325973865e-08], [-6.146973510576659e-09, 7.196692247627335e-08, 0.000346936906660829, 0.00018740871650779078], [-7.909570228401072e-09, 4.506961325973863e-08, 0.0001874087165077907, 0.00015361707252934117]]}