Investor Presentaiton
4-2) What is an Orthogonal array?
Usually uses the 2 Level System ( 2, 4, 8, 16, 32, 64, 128, 256,
)
[Column] Corresponds to
function for software
verification
# of levels # of levels # of levels # of levels # of levels # of levels # of levels
4
4
4
2
2
2
column 1
column 2
column 3 column 4 column 5 column 6 column 7
[Row] Corresponds to
row 1
1
1
1
1
1
1
1
verification number for
row 2
1
2
2
2
1
2
2
software verification
row 3
1
3
3
3
2
1
2
row 4
1
4
4
4
2
2
1
row 5
2
1
2
4
2
1
2
Combination of columns 1 and 2
row 6
2
2
1
3
2
2
1
row 7
2
3
4
2
1
1
1
Levels 1 to 4 for column 1
row 8
2
4
3
1
1
2
2
Levels 1 to 4 also for column 2
row 9
3
1
3
2
2
2
1
row 10
3
2
4
1
2
1
2
Each of the combinations of each level
of columns 1 and 2 appears once:
1-1, 2-3, 3-4, etc.
row 11
3
3
1
4
1
2
2
row 12
3
4
2
3
1
1
row 13
4
4
3
1
2
2
row 14
4
2
3
4
1
1
row 15
4
3
2
1
2
2
row 16
4
2
2
2
Combination of columns 4 and 5
Levels 1 to 4 for column 4
Levels 1 to 2 for column 5
Each of the combinations of each level
of columns 4 and 5 appears twice:
1-1, 2-1, 3-2, etc.
Combination of columns 6 and 7
Levels 1 to 2 for column 6
Levels 1 to 2 also for column 5
Each of the combinations of each level
of Columns 6 and 7 appears four times:
1-1, 1-2, 2-1 and 2-2View entire presentation