{"coeffs": [-2.338633237948357e-06, 2.4932560591475853e-05, 0.311458064523421, 0.1718001978891799], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.4328448677511624e-06, 4.6692085704596285e-06, 0.04962738593686195, 0.0580350755852314], "covariance": [[5.91873415054317e-12, -8.777273007706629e-12, -3.989944239685626e-08, -1.292526612390465e-07], [-8.777273007706651e-12, 2.1801508674453645e-11, 1.9466871017326794e-07, 2.5302755264125296e-07], [-3.989944239685664e-08, 1.9466871017326836e-07, 0.0024628774349262435, 0.0018302609978596892], [-1.292526612390467e-07, 2.530275526412527e-07, 0.001830260997859682, 0.0033680699981835215]]}