Solve a matrix equation

Hi,

I have to find the value of D from the following matrix equation? I know the values of matrix A. I is a unity matrix.

det(A-DI)=0;

Thanks in advance!

Answer 1

[Torsten]

D = eig(A)

will give you the values for D for which

det(A-DI)=0

[Indrani]

Thank you!