|
| x1 | x2 | x3 | x4 | y1 | y2 | y3 | y4 |
| x1 | 1.000 | 0.947 | −0.869 | 0.899 | −0.887 | −0.895 | −0.932 | −0.963 |
| x2 | 0.947 | 1.000 | −0.896 | 0.964 | −0.911 | −0.914 | −0.941 | −0.958 |
| x3 | −0.869 | −0.896 | 1.000 | −0.972 | 0.994 | 0.992 | 0.984 | 0.964 |
| x4 | 0.899 | 0.964 | −0.972 | 1.000 | −0.975 | −0.969 | −0.972 | −0.966 |
| y1 | −0.887 | −0.911 | 0.994 | −0.975 | 1.000 | 0.989 | 0.984 | 0.970 |
| y 2 | −0.895 | −0.914 | 0.992 | −0.969 | 0.989 | 1.000 | 0.994 | 0.981 |
| y 3 | −0.932 | −0.941 | 0.984 | −0.972 | 0.984 | 0.994 | 1.000 | 0.995 |
| y 4 | −0.963 | −0.958 | 0.964 | −0.966 | 0.970 | 0.981 | 0.995 | 1.000 |