5. Find the three by three matrix A such that [r – y] A. y for all r, y, z in R.

Q: 2. Regarding DFT matrix W₁, prove that W 1 = W for N=4. N

A: Consider the given equation, WN-1=1NWNH for N=4 Where, WN is a DFT matrix. So, as we know that,…

Q: Let Cand D be two n Xn invertible matrices. Find the xN matrix X in terms of Cand D such that…

A: A matrix is said to be invertible if inverse of matrix exists. Multiplication of matrix with its…

Q: B) Suppose A is an invertible matrix inM, (R). And x, y E R". Prove it: det(A+ ry") = (1+y"…

A: Given: A is an invertible matrix in Mn(ℝ) x,y∈ℝn To prove: det(A+xyT)=(I+yTA-1x)det(A)

Q: Find a 3 x 3 matrix A such that Ax = 9x for all x in R3. A II

A:

Q: Let A be an n x n matrix. Prove that det(A*) = det(A).

A: Given:

Q: The mist Consider ann x m matrix A. Find dim(im(A)) + dim(ker(A")), in terms of m and n.

A: Please check step 2 for the solution.!

Q: 1. For the matrix A, let T: R* → R' be defined by T(X) = Af for each i in R'. A is given: [2 1 1 2 A…

A: The given linear transformation is T:ℝ4→ℝ5 is defined as: Tx=Ax for each x∈ℝ4.Where:…

Q: Let A be an n X n matrix such thàt A². Show that det(A) ||

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Q: 2. Show that if A is an n x n real symmetric matrix then (Ax) y = x (Ay) for all x, y E R".

A:

Q: 2. Prove that a 2 x 2 matrix A with entries in Z26 is invertible if and only if gcd(det(A), 26) = 1.

A:

Q: Let K be an nxn matrix over Z26 such that K = K-1. Explain why either det(K) = 1 or %3D det (K) =…

A:

Q: Given the bases B={U , u2} and B'={u'1, u'2} for R2, where and u'1= u'2 = The transition matrix Pa-g…

A: The given bases are B={u1,u2} and B={u1',u2'} where u1=10  ,u1=01   and  u1'=-10  ,u1'=01 . To find…

Q: (BH) Consider the following matrix in R5×5. * 0 0 0 0 0 0 0 0 0 * A = * * * where the *s are…

A:

Q: If A is an q x n matrix with orthonormal columns & W be the column space, then AA"y Projwy for all y…

A: Given that A is a q×n matrix with orthonormal columns. Hence there are q rows and n columns in A.…

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: 6. Let B be n x n matrix. Define a function T : Mn(R) → M„(IR) by T(X) : XB – BX for all X € M, (R).…

A: A, B and C be n×n matrices, then  A(B + C) = AB + AC (B + C)A = BA + CA

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

A:

Q: 4. Prove that if Q is a Householder matrix corresponding to the unit vecto u, then r v ifv is in…

A: Given that, Q is a Householder matrix corresponding to the unit vector u. The householder matrix…

Q: If A is an n xn matrix where n is a positive integer. So A +A is O A unsymmetric. O B. Symmetric.…

A:

Q: Given the bases B={u , Uz} and B' ={u'ı, u'2} for R?, where 1 Uz= 1 and u' u' 2 %3D The transition…

A:

Q: How many rows and columns must a matrix A have in order to define a mapping from R* into R³ by the…

A: Find the number of Rows and columns in a matrix A.

Q: 8. Prove that (i) ||7. =1, and (ii) |. =\n (I is the Identity Matrix of order n).

A:

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: 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: Let A and B be invertible n×n matrices. Show that det(A)=det(B) if and only if ?=??A=UB where U is a…

A: This question is related to matrix, we will solve it , we will solve it using given information.

Q: Prove: If A and B are m × n matrices such that Ax = Bx for all x ∈ R n , then A = B.

A: Given, If A and B are m×n matrices such that Ax=Bx for all x∈Rn Prove that: A=B

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: If A is an q x n matrix with orthonormal columns & W be the column space, then AA" y = Projwy for…

A: If A is an invertible qxn matrix with orthonormal columns & W be the column space, then the…

Q: (i) Use the properties of trace to argue that tr(AʼA) = tr(AA') for any n × m matrix A. [2 0 (ii)…

A:

Q: Let A be a 3 × 3 matrix such that Atr A = 4I3. Prove that det A = ±8. (Here, I3 is the 3 x 3…

A:

Q: Let A ∈ Mn×n(R) be the matrix defined by Aij= 1 for all i and j. Find the characteristic polynomial…

A:

Q: Let A be square matrix. I f A"=Onva %3D for Then A= Onen n > 2.

A:

Q: Verify by finding the matrix of S 0 T (a) by direct substitution and (b) by matrix multiplication of…

A:

Q: Let f(x, y, z) = x°yz + 3z – 6xy + 2. - a) Compute the Jacobi matrix of f b) Compute the Hesse…

A:

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: Prove: For all m,n E N, (A†)™ = (A")† holds for all m x n matrices A.

A: Given that m,n∈ℕ. Let A be an m×n matrix. Let A+=Z. We know that A+=Z is pseudo inverse of A if it…

Q: Let A be a nonsingular k x k matrix with k> 1. Show that. det [adj(A)] = [det(A)]*-1

A:

Q: Construct a 4 x 3 matrix A = [ āj az āz ] such that {ā1, ā2 } is a linearly independent set and az…

A:

Q: For all m, n, k e N, all m × n matrices A and all n x k matrices B, C prove that A (B+C) – A ·B+ A ·…

A:

Q: Let A be an m x n matrix. Is the set K defined below convex ? Why or why not ? K = {y € R" : 3r E R"…

A:

Q: (b) Find the matrix representation [J]Bn+1,Bn• ght as Mon onas hUiver Unn mersi niversi ash ve

A: The given question is related with linear transformation. Let n ≥ 1 be an integer , and let J : Pn →…

Q: A matrix Q ϵ Mnxn(R ) is called orthogonal if QQt = I . Prove that if Q is orthogonal, then det(Q) =…

A: Given data: The orthogonal matrix is given by "Q". The given condition is  QQT = I.....(1) Now, take…

Q: Suppose V and W are finite-dimensional and T E L(V,W). Show that with respect to each choice of…

A: Suppose V and W are finite-dimensional and T∈LV,W. To show: to each choice of bases of V and W, the…

Q: Find the Jordan canonical form J for -10 -2 2 B = -4 2 -1 -4 2 4 -1 1 3 Also, find a matrix Psuch…

A: Given :  B = -10-2-421-x24-42-1-x-42-113-x ⇒p(x)=det(A-xI)=-1-x0-2-4x1-x24-42-1-x-42-113-x p(x)=…

Q: 4. Let Q E Rxn be an orthogonal matrix. Show that ||Qx||2= ||||2 for %3D any x E R".

A: Given that  Q∈ℝn×n be an orthogonal matrix.

Q: - Let A be the n x n matrix with all I's on the diagonal and all 0's above and below the diagonal.…

A:

Q: Let H: R* → R2 be defined by H(x, x2, X3, X4) = (x3 + x4, X1). Find the standard matrix for H. (H is…

A:

Q: 16. Find the standard matrix of the scaling operator Sk on R", where k e R, given by SkE) = kx.

A: We have…

Q: Assume that T and S are matrix of the same size. Prove or Disprove that (T + S) 2 is a symmetric,…

A: Given   T  and   S are matrix of same size. We have to prove if  T+S is symmetric, skew - symmetric…

Q: Let X be a centered m x n-matrix. Then cov(X) = XTX. %3D Select one: O True O False

A: It is an important part of statistics . It is widely used .