Let A =
(a) Diagonalize A by a nonsigular matrix P.
(b) Compute A2 + 3A – 4I.
(c) Compute A2112 + 3A2111
please provide detailed explanation with answer 3-10. True or False: (a) If u and v are column vectors in R", then u. v = utv. (b) If A is a square matrix satisfying A2 = 0, then A = 0. (c) If A is a square matrix satisfying A2 = A, then A = EI or A = 0. (d) There is a square matrix A (of any dimension) such that A2 = -1. (e) If A and B are...
(5) (10") Recall that for a unit vector ū in R, the matrix P = ūū represents the projection on ü. (a) Are there values a and b such that P is a SPD matrix? Explain. (b) Orthogonally diagonalize P. (c) Orthogonally diagonalize the reflection matrix L = 2P-I
5. Let B be the following matrix in reduced row-echelon form: 1 B= 1 -1 0-1 0 0 2 0 0 0 0 0 0 0 0 (a) (3 pts) Let C be a matrix with rref(C) = B. Find a basis of ker(C). (b) (3 pts) Find two matrices A1 and A2 so that rref(A1) = rref(A2) im(A) # im(A2). B, and 1 (c) (5 pts) Find the matrix A with the following properties: rref(A) = B, is an...
1 1 3 3 5. Diagonalize the matrix A = -3 -5 -3 if possible. That is, find an invertible matrix P and 3 3 a diagonal matrix D such that A = PDP-1 6. If u is an eigenvector of an invertible matrix A corresponding to , show that is also an eigenvector of A-!. What is the corresponding eigenvalue?
Consider the following matrices 2. .6 6 .9 A2 Ag (a) Diagonalize each matrix by writing A SAS-1 (b) For each of these three matrices, compute the limit Ak-SNS-1 as k-+ 00 if it exists. (c) Suppose A is an n x n matrix that is diagonalizable (so it has n linearly independent eigenvectors). What must be true for the limit Ak to exist as k → oo? What is needed for Ak-+ O? Justify your answer.
8. (10 Pts) Answer by True / False and justify your answer. (a) Let A be a 2 × 2 matrix such that(A2-Nthen, if A ±1 A--. (b) If C is a skew-symmetric matrix of odd order n, then |C-0 (c) If A is a square matrix, and the linear transformation L(z) Az is one-to-one, then the linear transformation x ? At is also one-toone. z), ? O (z, y, z) = (az, ay, 0), then V is not a...
Let A = -2 -2 6 1 -2. -2 co (a) Compute eigenvalues and corresponding eigenvectors of A. (b) Find an invertible matrix P such that P-1AP is diagonal. (c) Find an orthogonal matrix Q (that is QT = Q-1 ) such that QTAQ is diagonal (d) Compute e At
[1 2 0 1] 10. Let A 2 3 1 1 13 5 1 2 (a). Find the reduced row echelon form of A. (b). Using the answer for (a), find rank(A), and find a basis for Col(A). 11. Let A= Find a matrix P such that P-1AP is a diagonal matrix,
(1 point) Let A = -3 -1 6 -4 0 6 -2 -1 5 If possible, find an invertible matrix P so that D = P-1 AP is a diagonal matrix. If it is not possible, enter the identity matrix for P and the matrix A for D. You must enter a number in every answer blank for the answer evaluator to work properly. P= D= Is A diagonalizable over R? choose Be sure you can explain why or why...
Please give detailed steps. Thank you. 5. Let {X, : i-1..n^ denote a random sample of size n from a population described by a random varaible X following a Poisson(θ) distribution with PDF given by θ and var(X) θ (i.e. you do not You may take it as given that E(X) need to show these) a. Recall that an estimator is efficient, if it satisfies 2 conditions: 2) it achieves the Cramer-Rao Lower Bound (CLRB) for unbiased estimators: Show that...