Table 1. Matrix of the factorial 23 planning. |
Experiments |
X1 |
X2 |
X3 |
1 |
-1 |
-1 |
-1 |
2 |
+1 |
-1 |
-1 |
3 |
-1 |
+1 |
-1 |
4 |
+1 |
+1 |
-1 |
5 |
-1 |
-1 |
+1 |
6 |
+1 |
-1 |
+1 |
7 |
-1 |
+1 |
+1 |
8 |
+1 |
+1 |
+1 |
9 |
0 |
0 |
0 |
10 |
0 |
0 |
0 |
11 |
0 |
0 |
0 |
|