id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ap-1015	Stache, N. C.; Nguyen, T. P.	Automatic Compensation of Workpiece Positioning Tolerances for Precise Laser	2008	6	.pdf	application/pdf	4409	220	58	Thus, the problem to be minimized can be formulated as Q B B B B BT T T( ) ( ) minu u u u u u� � � �2 2 , (5) with the constraint of u 2 1� to avoid obtaining the trivial so- lution. This can be reformulated as Q B Bi i T T i i( ) minv v v� � �� , (6) where the eigenvector vopt of BTB, which belongs to the smallest eigenvalue �4, equals the sought parameter vector u. Thus, the circle parameters c and r can be determined.	cache/ap-1015.pdf	txt/ap-1015.txt