{"coeffs": [-2.229365142021169e-09, 7.09177312619282e-06, 0.6033539405358869, 0.05307832187494248], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.097180266624204e-08, 2.3135840095491366e-06, 0.031617998459841284, 0.006743440145958004], "covariance": [[4.398165070717968e-16, -1.5347776549476727e-14, -2.1087442779751801e-10, -5.97214788752622e-11], [-1.5347776549476736e-14, 5.35267096924146e-12, 7.295673261073793e-08, 1.4651649218986965e-08], [-2.1087442779751773e-10, 7.295673261073793e-08, 0.000999697826606526, 0.0002034698656532618], [-5.972147887526227e-11, 1.4651649218986965e-08, 0.0002034698656532618, 4.547398500211811e-05]]}