orthogonalarray( L_name,varargin)

orthogonal arrays of Taguchi Design ('L4' 'L8' 'L9' 'L12' 'L18')
タグチメソッドの直交表
example)
>> design = orthogonalarray('L4')
design =
1 1 1
1 2 2
2 1 2
2 2 1
design = orthogonalarray('L9','Bounds',[1 3;0 2;0 5;0 6],'VariableNames',{'A1','B1','C1','D1'})
design =
A1 B1 C1 D1
__ __ ___ __
1 0 0 0
1 1 2.5 3
1 2 5 6
2 0 2.5 6
2 1 5 0
2 2 0 3
3 0 5 3
3 1 0 6
3 2 2.5 0