{"coeffs": [-5.486473920912264e-07, 4.491816413154572e-05, 0.4280235210522075, 0.12209643348751649], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.7069029013339702e-07, 1.0049541029128627e-06, 0.005869842665266767, 0.003543231455512615], "covariance": [[2.9135175145823255e-14, -1.0442520661038117e-13, -4.666317837130935e-10, -4.734686784246647e-10], [-1.0442520661038111e-13, 1.0099327489613965e-12, 5.733081369284607e-09, 3.2445364222208474e-09], [-4.666317837130932e-10, 5.733081369284607e-09, 3.445505291498607e-05, 1.768707149846642e-05], [-4.734686784246646e-10, 3.244536422220848e-09, 1.768707149846642e-05, 1.2554489147334044e-05]]}