Iter 0 : ||x-z||: 0.909616, mu*||z-zold||: 0.909616
Iter 1 : ||x-z||: 0.454808, mu*||z-zold||: 0.454808
Iter 2 : ||x-z||: 0.227404, mu*||z-zold||: 0.227404
Iter 3 : ||x-z||: 0.113702, mu*||z-zold||: 0.113702
Iter 4 : ||x-z||: 0.056851, mu*||z-zold||: 0.056851
Iter 5 : ||x-z||: 0.0284255, mu*||z-zold||: 0.0284255
Iter 6 : ||x-z||: 0.0142128, mu*||z-zold||: 0.0142128
J(xhat): 98.3926, predicted: 4.22724, diff 94.1653
J(xhat): 27.7686, predicted: 4.22724, diff 23.5413
J(xhat): 10.1126, predicted: 4.22724, diff 5.88533
J(xhat): 5.69858, predicted: 4.22724, diff 1.47133
J(xhat): 4.59508, predicted: 4.22724, diff 0.367833
J(xhat): 4.3192, predicted: 4.22724, diff 0.0919583
J(xhat): 4.25023, predicted: 4.22724, diff 0.0229896
J(xhat): 4.23299, predicted: 4.22724, diff 0.0057474
J(xhat): 4.22868, predicted: 4.22724, diff 0.00143685
J(xhat): 4.2276, predicted: 4.22724, diff 0.000359212
Convergence rate step 0: 2.
Convergence rate step 1: 2.
Convergence rate step 2: 2.
Convergence rate step 3: 2.
Convergence rate step 4: 2.
Convergence rate step 5: 2.
Convergence rate step 6: 2.
Convergence rate step 7: 2.
Convergence rate step 8: 2.