RAT 8.0: Program for Constructing Trend-Free Designs
(c) 2015 Design Computing (http://designcomputing.net/)

Note: Best design for m=5, p=8 and n=12

Try	iter	f	trace	det*	TF
14	6	2.56	0.9795	0.7703	0.9917

Plan for try 14 using seed 807722753 (columns 3-7):

-1	1	1	1	1	-1	1	
-0.8182	0.4545	-1	-1	-1	1	1	
-0.6364	0.0182	-1	-1	-1	-1	-1	
-0.4545	-0.3091	1	1	-1	1	-1	
-0.2727	-0.5273	-1	1	1	1	-1	
-0.0909	-0.6364	1	-1	1	-1	-1	
0.0909	-0.6364	-1	1	1	-1	1	
0.2727	-0.5273	1	-1	-1	-1	1	
0.4545	-0.3091	1	1	-1	1	1	
0.6364	0.0182	-1	-1	1	1	1	
0.8182	0.4545	1	-1	1	1	-1	
1	1	-1	1	-1	-1	-1	

X'X

4.7273	0	0	0	-0.3636	0.3636	0.7273	-0.7273	
	3.9709	-0	-0.6545	0.4364	-0.6545	-0.4364	0	
		12	0	0	0	0	0	
			12	0	0	0	0	
				12	0	0	0	
					12	0	0	
						12	0	
							12	

inverse(X'X)

0.2166	-0.0033	-0	-0.0002	0.0067	-0.0067	-0.0133	0.0131	
	0.2586	0	0.0141	-0.0095	0.0142	0.0096	-0.0002	
		0.0833	0	-0	0	0	-0	
			0.0841	-0.0005	0.0008	0.0005	-0	
				0.0839	-0.0007	-0.0008	0.0004	
					0.0843	0.0009	-0.0004	
						0.0845	-0.0008	
							0.0841	

Note: RAT used 0.008 seconds.