mudyos: This forum works as this: You post question and work and thougts done. If not, then no one will help you. The RULES of this forum is those, didn't you read the rules before posting here?
I give you some questions for you to answer, then maybe you can do something.
What is a matrix representation of an operator?
What is an hermitian operator and matrix?
What is an eigenvector and eigenvalue?
What is a commutator?
What is a projector?