Matlab : Inverse Operations

With given Eigenvalues λ = 6, -2, 2, 1, - 7 and  with given Eigenvectors 5 * 5 matrix given below respectively

1 0 1 2 -1

2 2 1 0 2

3 0 1 2 -3

4 3 1 0 4

5 1 1 3 -5

1) Find inverse power method on (A-1)
2) Shifted inverse power method on (A - CI)-1

Write Matlab script on both the methods.