Let M4x3 be the vector space of all 4 x 3 matrices with real entries. Note that M4x3 R12 (M4x3 is isomorphic to R12). Let Z4x3 = {A E M4x3 | all row and column sums of Z are zero}. For example, A= -5 3 2 1 -3 2 1 2 -3 3 -2 -1 is an element of Z4x3. (a) Find a 7 x 12 matrix C whose null space is isomorphic to Z4x3. In other words, find a...
8. Let Maxn denote the vector space of all n x n matrices. a. Let S C Max denote the set of symmetric matrices (those satisfying AT = A). Show that S is a subspace of Mx. What is its dimension? b. Let KC Maxn denote the set of skew-symmetric matrices (those satisfying A' = -A). Show that K is a subspace of Max. What is its dimension?
Let V = M2x2 be the vector space of 2 x 2 matrices with real number entries, usual addition and scalar multiplication. Which of the following subsets form a subspace of V? The subset of upper triangular matrices. The subset of all matrices 0b The subset of invertible matrices. The subset of symmetric matrices. Question 6 The set S = {V1, V2,v;} where vi = (-1,1,1), v2 = (1,-1,1), V3 = (1,1,-1) is a basis for R3. The vector w...
Problem 5 (25 points). Let Mat2x2(R) be the vector space of 2 x 2 matrices with real entries. Recall that (1 0.0 1.000.00 "100'00' (1 001) is the standard basis of Mat2x2(R). Define a transformation T : Mat2x2(R) + R2 by the rule la-36 c+ 3d - (1) (5 points) Show that T is linear. (2) (5 points) Compute the matrix of T with respect to the standard basis in Mat2x2 (R) and R”. Show your work. An answer with...
Problem 4. Let GL2(R) be the vector space of 2 x 2 square matrices with usual matrix addition and scalar multiplication, and Wー State the incorrect statement from the following five 1. W is a subspace of GL2(R) with basis 2. W -Ker f, where GL2(R) R is the linear transformation defined by: 3. Given the basis B in option1. coordB( 23(1,2,2) 4. GC2(R)-W + V, where: 5. Given the basis B in option1. coordB( 2 3 (1,2,3) Problem 5....
5. Let V = Mn,n(C) (the vector space of nxn complex matrices). Let Sy be the set of all Hermitian matrices in V, and let Sy be the set of all unitary matrices in V. Are SH and/or Su subspaces of V?
e the vector space of polynomials over R of degree less than 3. Define a quadratic form on V by a) Find the symmetric bilinear forma f such that q(p) = f(p, p). b) Consider the basis oy-(1,2-x U)o. c) Let R-(3,2-r, 4-2z +2.2} of V. Find the matrix {f}3: You may give your ,24 of V. Find the matrix answer as a product of matrices and/or their inverses. e the vector space of polynomials over R of degree less...
2. Let M2x2(R) be the vector space consisting of 2 x 2 matrices with real entries. Let W M2x2 (R) det (A) 0. Show that W is not a subspace of M2x2(R) A E
3. Let V be the space of n X 1 matrices over C, with the inner product (X\Y) = YGX (where G is an n x n matrix such that this is an inner product). Let A be an n x n matrix and T the linear operator T(X) = AX. Find T*. If Y is a fixed element of V, find the element Z of V which determines the linear functional X + Y*X. In other words, find Z...
1. For the matrix 5 -2 3' -1 0-1 0-2-2 -5 7 2 give a minimal spanning set for a. the nullspace of A. b. the row space of A. c. the column space of A. d. Verify that the set of all 2 x 2 upper triangular matrices with real entries form a subspace of the vector space of all 2 × 2 matrices with real entries.