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5. Let V = Mn,n(C) (the vector space of nxn complex matrices). Let Sy be the...
P.3.31 Let V be a complex vector space. Let T : Mn → V be a...
P.3.31 Let V be a complex vector space. Let T : Mn → V be a linear transformation such that T(XY) = T(YX) for all X, Y E Mn. Show that T(A) = (trA)T(In) for all A EM, and dim ker T = n² – 1. Hint: A = (A - tr A)) + tr A)In.
Let V be a finite-dimensional complex vector space and let T from V to V be...
Let V be a finite-dimensional complex vector space and let T from V to V be a linear transformation. Show that V is the direct sum of U and W where W and U are T-invariant subspaces and the restriction of T on U is nilpotent and the restriction of T on W is an isomorphism.
8. Let Maxn denote the vector space of all n x n matrices. a. Let S...
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?
4. Let v={[a -.:a,nccc} Note that V is a vector space over R. View V as...
4. Let v={[a -.:a,nccc} Note that V is a vector space over R. View V as a R-vector space. (a) Find a basis for V over R. (b) Let W be the set of all matrices M in V such that M21 = -M12, where denotes complex conjugate. Show that W is a subspace of V over R and find a basis for Wover
How do I do these linear algebra questions? The question is: Consider the Vector Space V...
How do I do these linear algebra questions?
The question is:
Consider the Vector Space V and its subset W given below.
Determine whether W forms a subspace of V. If your answer is
negative then you must provide which subspace requirement is
violated.
(b). V is P5, the vector space of all polynomials in x of degree s5 and W is the set of all polynomials divisible by x – 3. (c). V is P5, the vector space of...
Assume that V is the set of all complex sequences, (xn), that satisfy the relation Xn+nXn+1...
Assume that V is the set of all complex sequences, (xn), that satisfy the relation Xn+nXn+1 – ixn+4 = 0 for all n E N. Furthermore, assume that F = C and for a E C, (2n), (yn) € V define (xn) + (yn) = (xn + yn), a(xn) = (axn) Is V a vector space over C? Justify your answer.
Let V = M2x2 be the vector space of 2 x 2 matrices with real number...
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...
Previous Exercise: 6.22 (Extension of the previous exercise) Let be a complex vector space with a...
Previous Exercise:
6.22 (Extension of the previous exercise) Let be a complex vector space with a positive definite scalar product and T E L(U). If T is self-adjoint, then the coefficients of the characteristic polynomial of T are all real. 6.2.1 Let A є C(n, n) be Hermitian. Show that det(A) must be a real number.
Problem 4. Let n E N. We consider the vector space R” (a) Prove that for...
Problem 4. Let n E N. We consider the vector space R” (a) Prove that for all X, Y CR”, if X IY then Span(X) 1 Span(Y). (b) Let X and Y be linearly independent subsets of R”. Prove that if X IY, then X UY is linearly independent. (C) Prove that every maximally pairwise orthogonal set of vectors in R” has n + 1 elements. Definition: Let V be a vector space and let U and W be subspaces...
P.3.31 Let V be a complex vector space. Let T : Mn → V be a linear transformation such that T(XY) = T(YX) for all X, Y E Mn. Show that T(A) = (trA)T(In) for all A EM, and dim ker T = n² – 1. Hint: A = (A - tr A)) + tr A)In.
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?
4. Let v={[a -.:a,nccc} Note that V is a vector space over R. View V as a R-vector space. (a) Find a basis for V over R. (b) Let W be the set of all matrices M in V such that M21 = -M12, where denotes complex conjugate. Show that W is a subspace of V over R and find a basis for Wover
How do I do these linear algebra questions?
The question is:
Consider the Vector Space V and its subset W given below.
Determine whether W forms a subspace of V. If your answer is
negative then you must provide which subspace requirement is
violated.
(b). V is P5, the vector space of all polynomials in x of degree s5 and W is the set of all polynomials divisible by x – 3. (c). V is P5, the vector space of...
Assume that V is the set of all complex sequences, (xn), that satisfy the relation Xn+nXn+1 – ixn+4 = 0 for all n E N. Furthermore, assume that F = C and for a E C, (2n), (yn) € V define (xn) + (yn) = (xn + yn), a(xn) = (axn) Is V a vector space over C? Justify your answer.
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...
Previous Exercise:
6.22 (Extension of the previous exercise) Let be a complex vector space with a positive definite scalar product and T E L(U). If T is self-adjoint, then the coefficients of the characteristic polynomial of T are all real. 6.2.1 Let A є C(n, n) be Hermitian. Show that det(A) must be a real number.
Problem 4. Let n E N. We consider the vector space R” (a) Prove that for all X, Y CR”, if X IY then Span(X) 1 Span(Y). (b) Let X and Y be linearly independent subsets of R”. Prove that if X IY, then X UY is linearly independent. (C) Prove that every maximally pairwise orthogonal set of vectors in R” has n + 1 elements. Definition: Let V be a vector space and let U and W be subspaces...
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