>> [d,v]=eig([1 \x05 3/5\x05 1/3
1.67 \x051 \x05 5/9
3 \x051.80 \x051])
d =
-0.2797 0.2176 0.0000
-0.4665 -0.7256 0.4856
-0.8391 0.6528 -0.8742
v =
3.0007 0 0
0 -0.0007 0
0 0 0.0000