Input matrix:
-8 -1 12 4 10 2 -6 12 -10 -1
-9 2 0 10 -6 5 -9 1 1 7
9 -9 10 7 -6 -11 -2 -9 -4 -9
7 10 -6 -2 12 4 9 8 -4 -11
1 -9 -6 11 -1 7 5 7 -11 11
-12 11 -7 -12 6 4 -7 8 -9 12
-5 0 10 -8 -4 -10 1 -4 -11 1
3 0 11 -4 0 -12 -6 1 12 -1
-12 1 -8 -2 9 12 11 11 9 -3
-9 1 11 -10 12 -2 -4 -8 9 7


4 largest eigenvalues by magnitude:

Eigenvalues:
27.9905 0
-27.0754 0
-3.58152 24.7518
-3.58152 -24.7518

3 largest eigenvalues by magnitude:

Eigenvalues:
27.9905 0
-27.0754 0
-3.58152 24.7518

3 smallest eigenvalues by real part:

Eigenvalues:
-27.0754 0
-15.6779 0
-5.08829 0

3 smallest eigenvalues by imaginary part:

Eigenvalues:
-3.58152 24.7518
-3.58152 -24.7518
14.7011 6.87043