1.20% Let matrix
Find its eigenvalues and eigenvectors and write the vector
as a combination of those eigenvectors.
(a) Solve the equation du/dt = Au starting with the same vector u(0) at time t = 0.

Find its eigenvalues and eigenvectors and write the vector
as a combination of those eigenvectors.
(a) Solve the equation du/dt = Au starting with the same vector u(0) at time t = 0.