Consider the square matrix 4+/-1.5 17 4 = 1-1.5 1 a) Find e 41 b) Find...
4 (1) Find a matrix A „such that (A - 41)-1 3 1 (2) Let A be 3x3 matrix with 4 = 4 Find : (a) det(( 3 A)?(2 A)-') (b) det( 2 A-' + 3 adj (A)) (3)Find the values of a that makes the system has (a) unique solution (b) No Solution. 3 A 7 (4)Find the rank of a matrix 17 0 1 2 (5)Suppose that I : R3 → R2 „such that 2 T (e.) =...
Q5. Consider the square matrix A 4 -3 2 (a) Show that the characteristic polynomial of A is: p(x) = 12 – 61 – 7. (b) Compute the matrix B= A2 – 6A – 712. (c) Show that A² – 6A = 712 for the given matrix A. (d) Is it possible to use the equation A2 – 6A = 712 to find the inverse of the given matrix A? (Justify your answer)
Q5. Consider the square matrix A = [] (a) Show that the characteristic polynomial of A is: p(4) = 12 - 91 - 2. (5 pts) (b) Compute the matrix B= AP-9A - 212. (5 pts) (e) Show that A² - 9A = 21, for the given matrix A. (5 pts) (d) Is it possible to use the equation A? - 9A = 212 to find the inverse of the given matrix A? (Justify your answer) (5 pts)
, then n lim Let Ά be a square matrix. Prove that if ρ(A)<1 Use the following fact without proof. For any square matrix A and any positive real number ε , there exists a natural matrix norm I l such that l-4 ll < ρ (d) +ε IIA" 11-0
29. A matrix B is said to be a square root of a matrix A if BB A (a) Find two square roots of A = (b) How many different square roots can you find of - (c) Do you think that every 2 x 2 matrix has at least one square root? Explain your reasoning
In the next exercises, we consider square n X n matrices; I is the identity matrix (In MATLAB eye (n) gives a square n by n matrix). If ex is the column unit vector which components are all O's except the kth component which is equal to 1, i.e., 이".e1 = 101 0 then the identity matrix I is such that: 10 000 ei = [100 01T, , el 1000 11T. 0 0 T' 0 0 1 To generate in...
8. Consider the real matrix As -1 0 (a) (3 pts) Find the singular values of A. (b) (4 pts) Find a singular value decomposition of A. (c) (3 pts) Find 8. Consider the real matrix As -1 0 (a) (3 pts) Find the singular values of A. (b) (4 pts) Find a singular value decomposition of A. (c) (3 pts) Find
(1 point) Consider the ordered bases B = (1 – X,4 – 3x) and C = (-(3 + 2x), 4x – 2) for the vector space P2[x]. a. Find the transition matrix from C to the standard ordered basis E = (1, x). -3 2 TE = -2 b. Find the transition matrix from B to E. 1 -1 T = 4 -3 c. Find the transition matrix from E to B. -3 1 T = 4/7 -1/7 d. Find...
5. Consider two linear transformations A and B with matrix representations 4-[4 B = 1 2 respectively. Find matrix representations for the following linear transformations: (a) AoB (b) (Ao B)- (c) B-10 A-1
Q5. Consider the square matrix A - 6 4 3 (a) Show that the characteristic polynomial of A# (X) = x-91-2. (6 pts) (b) Compute the matrix B-A 9A 21. (5 pts) (c) Show that A2 9A-21, for the given matrix A. (5 pts) (d) Is it possible to use the equation A? (Justify your answer) (5 pts) 9A 21, to incl the inverse of the given matrix A