1 A = 2 -1 3

Q: Construct a 3 x 3 triangular matrix A so that 1] the vector 2 is in Col A. 3]

A: We know every lower or upper traingular matrix is a triangular matrix.

Q: Let B be the matrix obtained from A after the row op- erations 2r3 → r3, r1 ↔ r2, 4r1 + r3 → r3, and…

A: Given: The det(B)=2 The row operations are: 2R3→R3R1↔R24R1+R3→R3-2R1+R4→R4 Let det(A) be x.

Q: Show that if the entries in each row of an n × n matrix A add up to zero, then the column vectors of…

A: linearly dependent means det of A is zero

Q: Let A be an m × n matrix. Show that if x ∈ N(ATA), then Ax is in both R(A) and N(AT ).

A:

Q: Let A = XYT, where X is an m × r matrix, YT is an r × n matrix, and XTX and YTY are both…

A:

Q: 1 0 2 -1 0 2 0 1

A: Given the matrix A=1020-10201 To find an orthogonal matrix P and a diagonal matrix D such that…

Q: Consider the matrix A E RmXn with m >n and linearly independent columns. Also consider M = A(AT A)-'…

A:

Q: Assuming that b # 0, find a matrix that orthogonally diagonalizes a= [: :] P

A:

Q: Let x1, x2, and x3 be linearly independent vectors in R4 and let A be a nonsingular 4 × 4 matrix.…

A: Given that:

Q: Let A be an m × n matrix and, given b in Rm ,show that the set S of all solutions of Ax = b is an…

A:

Q: Find the projection matrix P, and the projection of b= (1,2,3) onto 2. Let A= -1 -1 the column space…

A: Given matrix is A=1001-1-1

Q: For the matrix A , use the Cayley­Hamilton Theorem to compute A -1 and A -2 by expressing each as a…

A: According to Cayley Hamilton theorem, any square matrix satisfies its own characteristics.

Q: Let X be the 3 x 3 matrix such that left-multiplication by X has the same effect as applying the…

A: In this question we have to find the (1, 2) entry of x.

Q: Find a matrix A such that W = Col A. W [2s-5t] 2t 2s+t :stin R

A:

Q: Create a 5 x 3 matrix, call it A, with no more than 3 zeros such that the columns of A are linearly…

A: Let us consider a matrix A=-4-300-14103546-7-3-9 First we will show that columns of matrix are…

Q: Find a formula in terms of k for the entries of A, where A is the diagonalizable matrix below. 0. A…

A:

Q: Let ~v and ~w be column vectors in R^n, and let A be an n×n matrix. Prove that, if {A (~v), A (~w)}…

A:

Q: Consider the matrix. P = in order 4, where X1, X2, X3 and X4 are the matrix x4 rows of P. If we have…

A:

Q: For this matrix A, find a diagonal matrix D and invertible matrix P with inverse P such that A = P D…

A:

Q: Let the rows of A ∈ Mn×n(F) be a1, a2, . . . , an, and let B be the matrix in which the rows are an,…

A: This can be done as follows:

Q: If Q+A= A holds for every m×n matrix A, show that Q = 0mn.

A: Consider the given equation, Q=A+A   Now, subtract the matrix A from both side: Q+A-A = A -A As, A…

Q: Use the Cayley-Hamilton theorem to find A1, A°, and A“ for the given matrix A. 10 -8 - 4

A:

Q: Prove that for any matrix A ∈ Mm×n(F), (R(LA∗))⊥= N(LA).

A: The objective is to prove that

Q: Let A be an m × n matrix. Prove that if AT A is nonsingu- lar, then rank A = n.

A: Given that, A is an n x n matrix. A^T is the transpose matrix of A. AT A is non-singular. We have to…

Q: Let A be an n × n matrix and let x and y be vectors in Rn. Show that if Ax = Ay and x /= y, then the…

A:

Q: For each matrix A with real valued entries, find a diagonal matrix D and an invertible matrix Q such…

A: These 2 are unrelated lengthy problems,by Chegg policy I have to solve only first one. These 2 are…

Q: Use the SVD to show that any square matrix A can be written as A = unitary and P is Hermitian. UP…

A: By SVD, we know that matrix A can be written as A=SDVTWhere S and V are orthogonal matrices andD is…

Q: Find the canonical form B and an invertible matrix P such that P−1AP = B.

A: In this question. we find the invertible matrix P and B such that P-1AP=B

Q: Given the bases B={u , U2} and B' ={u'1, u'2} for R2, where and u'1= u' 2 U2 from B to B' is: The…

A:

Q: Find the matrix P that multiplies | y| to give P = א א

A:

Q: Let A = CD, where C and D are n × n matrices and C is invertible. Prove that the matrix product DC…

A: A = CD, where C and D are n × n matrices, and C is invertible. We need to Prove that the matrix…

Q: Calculate adj A, det A, and hence A¯', for the matrix A=| 2 1 -2 -1 1

A: To find the adjoint determinant and inverse of a matrix

Q: Let U be the row-echelon form of square matrix A. prove that if the first r columns of U are…

A:

Q: Let A be an m×n matrix, X an n×r matrix, and B an m × r matrix. Show that AX = B if and only if Axj…

A:

Q: For a nonsingular matrix A and nonzero scalar k, show that (k A)−1 = 1 k A−1.

A: Given that A is nonsingular matrix. That is, A≠0. Since k is a non zero scalar, kA≠0. Therefore, kA…

Q: Let A be an m × n matrix, and let B be the result of performing a single elementary row operation on…

A:

Q: Use the Cayley-Hamilton theorem to find A1, A°, and A“ for the given matrix A. 1 5 1 A = 0 2 1 0 0 2

A:

Q: Let A E Mn(C) denote the n x n matrix with all entries equal to 1. Show that A is positive…

A: Let A belongs to  Mn (C) denote the n x n matrix with all entries equal to 1. Show that A is…

Q: Let B = and B' = Find the change of base matrix from B' to B and from B to B'

A:

Q: For the matrix A, find an orthogonal matrix P such that P-'APis diagonal. 3 00 A =| 0 2 2 0 2 5

A:

Q: Show that for any n x n matrix A there exists another n x n matrix M such that MAM-1 = AT, where AT…

A: Consider the given information. Let the matrix A is an n×n matrix and M is a m×m matrix. And the…

Q: Let B = {uj = ,U2 = and C = V2 = Find Pg, the transition matrix from the standard basis of R? to the…

A: Given  B =  u1=21 , u2=11  We have to find PB , the transition matrix from the standard basis of ℝ2…

Q: Find a formula in terms of k for the entries of AK, where A is the Hermitian matrix below 13 4 9. 9.…

A: Here , A=-139-49+2i9-49-2i9-149 The characteristic equation of A is…

Q: Let A be an m X n matrix with linearly independent columns and let A = QR be a QR factorization of…

A: Let A be an mxn matrix with linearly independent columns. The columns of matrix Q in QR…

Q: Show that if an n × n matrix A is positive definite, then there exists a positive definite matrix B…

A: Consider the provided question,

Q: Find a formula in terms of k for the entries of Ak, where A is the Hermitian matrix below 19 8 4 9 9…

A:

Q: Let A be an nxn matrix, then for any rER, det(rA) = -det A Select one: True False

A: we have been given a n x n matrix A . we have to determine for every r∈ℝ    , det(rA)=1rdetA

Q: Let A be an m × n matrix.(a) Describe the diagonal entries of AT A in terms of the columns of A.(b)…

A: (a) Describe the diagonal entries of AT A in terms of the columns of A.

Q: Let A = [a;;] be the n x n matrix defined by aji = k and a;; = 0 if i + j. Show that if B is any n x…

A: Given: A=aijn×n,     aii=k and aij=0 if i≠k. Let B be a square matrix of order 3 which can be…