{"coeffs": [-1.5063593506584745e-06, 5.812124646184289e-05, 0.4102237213670052, 0.15012464316836144], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.98985416007625e-07, 2.344345659041371e-06, 0.011818308101794735, 0.0078691440124042], "covariance": [[2.489864453883026e-13, -8.346618068324067e-13, -3.3340322392238163e-09, -3.4025939075876975e-09], [-8.346618068324038e-13, 5.49595656906612e-12, 2.6947763489048463e-08, 1.7161328376622353e-08], [-3.3340322392237956e-09, 2.6947763489048433e-08, 0.0001396724063889471, 7.995126941343687e-05], [-3.40259390758769e-09, 1.7161328376622376e-08, 7.995126941343708e-05, 6.192342748795688e-05]]}