Eigenvalues & Eigenvectorshard
0:00.0

Let A=(1102)A = \begin{pmatrix} 1 & 1 \\ 0 & 2 \end{pmatrix} and B=(3004)B = \begin{pmatrix} 3 & 0 \\ 0 & 4 \end{pmatrix}. The Kronecker sum is defined as AB=AI2+I2BA \oplus B = A \otimes I_2 + I_2 \otimes B. What are the eigenvalues of ABA \oplus B?