503 (b) Do these eigenvectors form a basis (i.e., is this basis complete and orthonormal)? (c) Consider the matrix U which is formed from the normalized eigenvectors of A. Verify that U is unitary and that it satisfies 0 UT AU = (2/2). 0
503 (b) Do these eigenvectors form a basis (i.e., is this basis complete and orthonormal)? (c) Consider the matrix U which is formed from the normalized eigenvectors of A. Verify that U is unitary and that it satisfies 0 UT AU = (2/2). 0
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صورة من احمد مرتضى

Transcribed Image Text:Exercise 2.19
Consider the matrix
A-( 96 )
=
(a) Find the eigenvalues and the normalized eigenvectors for the matrix A.
CHAPTER 2. MATHEMATICAL TOOLS OF QUANTUM MECHANICS
(b) Do these eigenvectors form a basis (i.e., is this basis complete and orthonormal)?
(c) Consider the matrix U which is formed from the normalized eigenvectors of A. Verify
that U is unitary and that it satisfies
158
0
-(%).
0
UT AU =
where 1 and 2 are the eigenvalues of A.
(d) Show that ex = cosh x 4 sinh x.
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