{"coeffs": [-1.339746842804582e-06, 6.26604370717294e-05, 0.7683740953444448, 0.21930632675450842], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.9598777993729445e-07, 1.2424525881997018e-05, 0.07113220692155366, 0.015820661203417418], "covariance": [[8.760876587220824e-14, -3.1757395683119355e-12, -1.8380691896590924e-08, -4.427363414684386e-09], [-3.17573956831191e-12, 1.5436884339241378e-10, 8.831229288974055e-07, 1.9103975847420638e-07], [-1.8380691896590805e-08, 8.83122928897406e-07, 0.005059790861530725, 0.001101202350507349], [-4.427363414684371e-09, 1.910397584742071e-07, 0.0011012023505073527, 0.0002502933209133171]]}