{"coeffs": [-7.36831713327211e-06, 0.00011222239599447027, 0.40525839738810926, 0.18402865162370144], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.286543210257842e-06, 6.01988367317821e-06, 0.015391503450966933, 0.014777459728673453], "covariance": [[5.228279852376238e-12, -1.122934359051435e-11, -2.0441823074274514e-08, -3.152871092179652e-08], [-1.1229343590514323e-11, 3.623899943859758e-11, 8.698940828101226e-08, 8.45477880062621e-08], [-2.0441823074274422e-08, 8.698940828101215e-08, 0.00023689837848112703, 0.00018410474262574506], [-3.152871092179648e-08, 8.454778800626219e-08, 0.00018410474262574552, 0.00021837331603256568]]}