Table 2.

Obtained optimal parameters for cross validation

	Best $w^{(a)}$	Best $E^{(a)}$	Error (mm)
cv1	0.00012	1.5	$15.01\pm 2.23$
cv2	0.00012	0.5	$8.26\pm 4.66$
cv3	0.00006	0.5	$13.88\pm 3.61$
Mean	0.0001	0.83	$11.87\pm 4.05$