Question 4: Eigenvalue Theory 2 Let A Cnxn. For each of the following statements show that it is ...
Question 3: Eigenvalue Theory 1 (a) Let A e Cnxn, and let (Ai, an), (Ak,Xk) be eigenpairs where all λί are distinct. Show that the corresponding eigenvectors r1,. .. Tk are linearly independent. (b) Let A, B e C"xn be similar. Show that A and B have the same char- acteristic polynomial, same eigenvalues including algebraic and geometric (c) Do A and B fro (b) share the same singular values? Justify.
True False a) For nxn A, A and AT can have different eigenvalues. b) The vector v 0 cannot be an eigenvector of A. c) If λ's an eigenvalue of A, then λ2 is an eigenvalue of A2. True False d) If A is invertible, then A is diagonalizable. e) If nxn A is singular, then Null(A) is an eigenspace of A. f) For nxn A, the product of the eigenvalues is the trace of A. True False g) If...
5. Let -2 0 2AA8 (a) Show thatis an eigenvector of A. What is its eigenvalue? (b) By solving (A+2/)x 0, show that -2 is an eigenvalue of A. (c) Use the results of parts (a) and (b) to write down all eigenvalues of A along with their algebraic and geometric multiplicities. Is A diagonalizable? (Note: This question does not require finding eigenvalues by solving det(A XI) 0) 5. Let -2 0 2AA8 (a) Show thatis an eigenvector of A....
Let A be a 2 x 2 matrix with an eigenvalue equal to 1 and no other eigenvalues. Which of the following is necessarily true? a. A is symmetric. b. A is positive-definite. C. A is diagonalizable. d. A is invertible. e. Any of the above statements may be false.
Determine the following statements true or false (1) A linear operator A ∈ L(V) is similar to a diagonal matrix with eigenvalues on the diagonal if A is invertible. (2) Let A ∈ L(V). Then V = ελ1+...+ελk where λ1, ... ,λk are all distinct eigenvalues of A (3) Let A ∈ L(V). and λ be an eigenvalue of A. Then its eigenspace ελ is a subspace of its generalized eigenspace gελ
4. (Extra credit, all hand work. Use your paper and attach.) Let A-and assume a,b,ct are positivs. 0 b c (a) Let f) denote the characteristic polynomial of A. Calculate it and show work. You should get (b) Prove that A has only one real eigenvalue, that it is positive, and that the other two eigenvalues of A must be conjugate complex numbers. Let eigenvalues. λ denote the real positive eigenvalue and let λ2 and λ3 denote the other two...
4 7 5 0 2 2 Problem 7 Let A= -1 2 9 -4 1 5 -1 3 7 3 1 -4 2 0 1 1 0 10 2 a) (4 pts] Using the [V, D] command in MATLAB with rational format, find a diagonal matrix D and a matrix V of maximal rank satisfying the matrix equation A * V = V * D. Is A real-diagonalizable? b) [4 pts) Write down the eigenvalues of A. For each eigenvalue,...
1 Problem 7 Let A 4 5 - 1 5 0 2 -1 2 3 -4 7 2 1 3 7 2 -4 2 0 0 10 1 1 a) (4 pts] Using the [V, DJ command in MATLAB with rational format, find a diagonal matrix D and a matrix V of maximal rank satisfying the matrix equation A * V = V * D. Is A real-diagonalizable? b) (4 pts) Write down the eigenvalues of A. For each eigenvalue,...
5. Let (a) (2 marks) Find all eigenvalues of A (b) (4 marks) Find an orthonormal basis for each eigenspace of A (you may find an orthonormal basis by inspection or use the Gram-Schmidt algorithm on each eigenspace) (c) (2 marks) Deduce that A is orthogonally diagonalizable. Write down an orthogonal matrix P and a diagonal matrix D such that D P-AP. (d) (1 mark) Use the fact that P is an orthogonal matrix to find P-1 (e) (2 marks)...
Question 5 True of False part II: 5 problems, 2 points each. (6). Let w be the x-y plain of R3, then wlis any line that is orthogonal to w. (Select) (7). Let A be a 3 x 3 non-invertible matrix. If Ahas eigenvalues 1 and 2, then A is diagonalizable. Sele (8). If an x n matrix A is diagonalizable, then n eigenvectors of A form a basis of " [Select] (9). Letzbean x 1 vector. Then all matrices...