{"coeffs": [-6.014667070158193e-08, 4.5315314732744094e-05, 0.733139185671576, 0.1061435558953692], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.5613005727493524e-08, 1.561547763561428e-05, 0.052342944040162674, 0.005444743915099027], "covariance": [[1.2682861769464865e-15, -3.049258261597558e-13, -1.0588270785642301e-09, -1.3230166367625979e-10], [-3.049258261597683e-13, 2.438431417883697e-10, 8.161424637771266e-07, 8.069978580132684e-08], [-1.0588270785642653e-09, 8.16142463777125e-07, 0.002739783790791601, 0.00027474034393586307], [-1.3230166367626152e-10, 8.069978580132585e-08, 0.00027474034393586036, 2.9645236301007883e-05]]}