{"coeffs": [-4.9335391555177185e-06, 0.026865485489350683, 1.838161479027487, 0.22654024423282962], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.591274199695926e-06, 0.6233799825763237, 5.405437432562509, 0.019989586462377418], "covariance": [[2.5321535786179098e-12, -8.635054850594204e-07, -7.503135666060067e-06, -3.0072531302851283e-08], [-8.635054850641181e-07, 0.38860260267685753, 3.3696114231923393, 0.012163547739677955], [-7.503135666100836e-06, 3.3696114231921883, 29.218753837347975, 0.10557028271393068], [-3.00725313029392e-08, 0.01216354773964915, 0.10557028271368563, 0.0003995835669368626]]}