16. Let A be a square matrix such that |A| = 4. Then |(AT)-"| is equal to (A) 0 1 (B) – (9) (D) -4 (E) 4 114

Q: 2 Suppose A = is positive semi definite matrix then: a 10 O a. Jal < 20 O b. a <-v20 Oc lal < v20 O…

A: Suppose A=2αα10 is a positive semidefinite matrix then which of the following is correct.

Q: 3. Let A = 1. ). Compute eat in two different ways: (a) by exponentiating the equivalent diagonal…

A:

Q: [2.25] Show that C= {x : Ax <0}, where A is an m × n matrix, has at most one extreme point, the…

A: 2.25)   show that C=x:Ax≤0 where A is an m×n matrix , has at most one extreme point, the origin.…

Q: 2. Let n x n matrix A have the form Au Azz A = where An is k x k (where k < n). Show that A is…

A: The given matrix is  A1100A22 A matrix is called non-sigular if the value of its determinant is…

Q: Use the definition of the matrix exponential (given in (3) of Section 8.4) For any n x n matrix A,…

A: ANSWER

Q: A is a square matrix that's n x n. A21=0 a) In-A is invertible, show why. b) B is invertible. Is B-A…

A:

Q: 2. Suppose A is a square matrix. Which matrix is not symmetric? O A+AT O AAT ОА-АТ O ATA

A: Note the following results if A and B are two matrices ABT=BTAT…

Q: 2 1 Which of the following is the matrix C that satisfies the equality (CT- 412) 5 3 -1 (a) -5 (b) 1…

A:

Q: 6. Suppose  X + XB = C, where X, B, and C are square matrices of the same size. a.  Derive an…

A: We will see that (I+B) must be invertible for existence of X.

Q: Thich of the following is a non-singular matrix P such that PAP is diagonal if 7 0 ? -4 2 A =

A:

Q: 2) An n x n matrix A is called nilpotent if Ak = 0 for some positive integer k. Show that if A + 0…

A:

Q: highlighted" condition. A matrix in M2(R) which is “nilpotent" and has a non-zero entry in each row…

A: A matrix is Nilpotent if Ak = 0 where 0 is null matrix and k is index of matrix A.

Q: Suppose A = 2 a) is positive semi definite matrix then: a 10 O a Ja < 20 O b. a <-V20 O. lal < v20 O…

A: A positive semi definite matrix is the one whose eigen values are greater than or equal to zero. So,…

Q: B = . and = If X is a matrix that Let A = satisfies: Al, = 2B – XC. Then X is %3D

A:

Q: 2 1 -1 4 previous problem to determine a matrix S such that Show that A is defective and use the 3…

A:

Q: a If A the matrix A is invertible if and only %3D lc d]° if

A: Find the determinant of the matrix A. A=abcdA=a×d−b×c=ad-bc

Q: 3. Let A [1.1 -0.1] [0.3 0.7 0.7] Is matrix A invertible? How do you know?

A: An invertible matric is a matrix  for which matrix inversion operation exists . A matrix is said to…

Q: 5. Compute the condition number K(A) of the following matrix 1 1+€ 1 1 1 A 1 1 1 1+€ What is k(A) as…

A: Conditional number is κ∞(A)=∥A∥∞·∥A-1∥∞.If matrix A is known to us so ∥A∥∞ is easy to find .First…

Q: **15. Suppose A is an m × n matrix and x e R" satisfies (AA)x = 0. Prove that Ax = 0. (Hint: What is…

A:

Q: A = (ai j )is a 3 × 3 matrix, develop the general ex-pression for det(A) by expanding(a) along the…

A: Given: Let A=aij be a 3×3 matrix.  To determine: The general expression for det(A) by expanding  a)…

Q: |1/2 1. Find sequence of elementary matrices whose product is A = 2 -3 3/15 2. Solve the given SLE…

A: 1. find a sequence of elementary matrices whose product is (given in the figure below.) 2. Solve…

Q: 1. for how mony di fferent valves of x NOT Can the matrix T-x 2 3 Itx -I 3 be transformed by ERDS…

A:

Q: 9. . Suppose that A = PDP¯' and B = 31 + 2A + A². 5 Let D a Find a diagonal matrix D1 such that B =…

A:

Q: .1 Suppose A is a matrix with characteristic polynomial CA(x) = x²(x – 1)³(x+2)². Determine the…

A: The solution are next step

Q: 2 4 8 Suppose that A = LDU = 039 , then the matrix U is 0 0 7 equal to: 2 00 0 3 0 0 0 7 1 2 4 0 1 3…

A: Given:Suppose A=LDU=248039007To find : Matrix U

Q: 11. Let A be an m x n matrix and let x, y e R". Prove that if Ax = 0 and y = ATb for some b e R",…

A:

Q: **32. Suppose A is an m x n matrix and x e R" satisfies (ATA)x = 0. Prove that Ax = 0. (Hint: What…

A: Here we use property of modular and dot product.

Q: 1 Let A be a nonsingular 4 x 4 matrix such that |A-| = -2, then 4 Select one: O True O False

A:

Q: Given X, = [-1,0]'.do [-1,1]", go = [2,0] and G(X,)s 2. Then f(X) - f(X1) 2 ((G(X,) means the…

A: As per the question we are given : X0 = [-1  0]T , d0 = [-1  1]T , g0 = [2  0]T , ||G(X1)|| ≤ 2 And…

Q: 16- Find k for which the matrix below be Involutary matrix. 4 4 3 3 b) 3. -2, Leave blank *0 ఇ

A:

Q: 7. The rank of an identity matrix of order n is: А. п - 1 В. п C. n+1 D. 0

A:

Q: 4. Suppose B, I – B-' are invertible matrices and (X – A)- = BX-1, find X (as an expression in A,…

A: A matrix Y is said to be invertible if and only if Y-1 Y=Y Y-1=I

Q: (d) Suppose A is a 2 × 2 matrix such that for all x, y E R?, (Ax) · (Ay) = x · y Must it be true…

A: This is the problem of linear transformation.

Q: 7 Q8. Verify Cayley-Hamilton theorem for the matrix A = 5 and hence find its -4 -3 inverse.

A:

Q: 7. Suppose U is an m x n matrix and V is an n x m matrix for which In-VU is invertible. Show that…

A:

Q: メ-E to to L-E 2-E to to to d-E put K-E =U E= d-fX

A: The solution to the given question is explained below.

Q: (2a, Let A be a 3 x 3 matrix b b a A = %3D a a a a a Show that A is invertible if a +0 and a + b.…

A: Given that: (a)A=abbaabaaa(b)A=2ccccc87c

Q: 2.2.8 Show that if a matrix is positive definite then it is invertible, and its inverse is also…

A:

Q: 6. To identify 3 x 3 matrix Abr fis positive definite if and only if cfr r> 0, r²- ab >0 and 4>0. O…

A:

Q: 1) Suppose that T is a linear operator with standard matrix 8 3 6 0 2 0 0 7 Is T one-to-one?…

A: Given the linear operator T:ℝ3→ℝ3 836025007 Now, we find determent of T.…

Q: 16 - х For what value of x, 13. 47 is a singular matrix: - A. 1 В. 2 С. -1 D. -2 E. None of the…

A: A matrix A is said to be singular if its determinant is zero .

Q: If A? is a zero matrix, then AT A = 0 is: %3D O a. Not possible unless A is a zero matrix O b. not…

A:

Q: 13. Suppose that a 3 × 3 matrix A factors into a product 1 0 1 Determine the value of det(A).

A: It is known that for n×n matrices A and B detAB=detAdetB                      (i) Given…

Q: 2. Write the quadratic function f(x,,y;)=-3x; +2x,x, – 3x; – 4x, – 4x, +6 in matrix form as f(x) =…

A:

Q: Let B be a Sx5 matrix and Caa): (a-1)(X-メーい(メ) Than the rann of 21-B is? A)S B) 4 c) 3 D) can't…

A: Rank of any matrix is equal to number of non zero rows of matrix when it is in row reduced echelon…

Q: 16. Prove that for any square matrix A, ||A||ž E ||A* A||2.

A: Given: A is a square matrix.

Q: q4: If  det(A) =|A|= 0, then A is called a non-singular matrix  True  False

A: Non-Singular matrix: A non-singular matrix is a square matrix whose determinant is not equal to zero…

Q: 3 5. Suppose that A is an invertible matrix with A-1 a. Find A.

A:

Q: [*:* а + 2 а (10) Find all a E R for which the matrix is singular. 1 а

A: Remark: A square matrix A of n is said to be singular if and only if det(A) = 0. i.e., Its…