Char Poly:
\(\left(\lambda+ 1 \right)^{3} \; \left(\lambda- 2 \right) = 0\)
\(\small \left(\begin{array}{rrrr}\lambda=&-1&\left(\begin{array}{rrrr}0&0&-3&-3\\-5&-2&0&2\\5&2&6&4\\-5&-2&-3&-1\\\end{array}\right)&\left(\begin{array}{r}x1\\x2\\x3\\x4\\\end{array}\right) = 0\\\lambda=&2&\left(\begin{array}{rrrr}-3&0&-3&-3\\-5&-5&0&2\\5&2&3&4\\-5&-2&-3&-4\\\end{array}\right)&\left(\begin{array}{r}x1\\x2\\x3\\x4\\\end{array}\right) = 0\\\end{array}\right) \)
λ=-1 DimER = 2 ==> alg. VielFH ≠ geom. VielFH
λ=2 DimER = 1
==> nicht diag.