Let F be a field and V a vector space over F with the basis {v1, v2, ..., vn}. (a) Consider the s...
Let F be a field and V a vector space over F with the basis {v1, v2, ..., vn}.
(a) Consider the set S = {T : V -> F | T is a linear transformation}. Define the operations:
(T1 + T2)(v) := T1(v) + T2(v), (aT1)(v) = a(T1(v)) for any v in V, a in F.
Prove tat S with these operations is a vector space over F.
(b) In S, we have elements fi : V -> F defined as fi (a1v1+ ... + anvn) = ai where aj is in F, and 1<= j <= n for any j. Prove that {f1, ...,fn} is a basis of S.
(c) Since S is a vector space over F, you can consider the set of linear transformations from S to F and create a vector space. Call it S'. For v in V, we define the elements kv: S -> F as kv(f) = f(v). Show that the map e: V -> S' defined as e(v) = kv is an isomorphism of vector spaces.
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Let F be a field and V a vector space over F with the basis {v1, v2, ..., vn}. (a) Consider the s...
Prove Lemma a) Fix a basis {v1, v2, . . . , vn} for an n-dimensional...
Prove Lemma
a) Fix a basis {v1, v2, . . . ,
vn} for an n-dimensional vector space V. Define a linear
operator T : V → Fn in the following way: For each x =
Σni=1 civi ∈ V,
define
. Then T is a linear
operator.
b) Let T be a linear operator from V to W. Suppose that
{v1, v2, . . . , vn} is a basis
for V and {w1, w2, . . . ,...
(1) Let S (v1, V2,..., Vn be a set of vectors in a vector space V....
(1) Let S (v1, V2,..., Vn be a set of vectors in a vector space V. (a) Define what does it mean for S to be linearly independent. (b) Define what does it mean for S to be a spanning set for V. (c) Define what does it mean for S to be a basis for v.
(4) Let {V1, V2, ..., Vn} be a basis for a vector space V. If w...
(4) Let {V1, V2, ..., Vn} be a basis for a vector space V. If w is an element of V whose coefficient vector is the zero vector, show that w must be the zero element.
Let V be a vector space. Suppose dimV = n and {V1, V2, ..., Vn} is...
Let V be a vector space. Suppose dimV = n and {V1, V2, ..., Vn} is a basis of V. Thei which of the following is always true? a) Any set of n vectors is linearly dependent b) Any linearly dependent set in V is not part of basis c) Any linearly dependent set with n - 1 vectors is a basis d) A linearly independent set with n vectors is a basis
Let V be a finite-dimensional vector space over F. For every subset SCV, define Sº =...
Let V be a finite-dimensional vector space over F. For every subset SCV, define Sº = {f EV* | f(s) = 0 Vs E S}. (a) Prove that sº is a subspace of V* (S may not be a subspace!) (b) If W is a subspace of V and x € W, prove that there exists an fe Wº with f(x) + 0. (c) If v inV, define û :V* + F by ū(f) = f(u). (This is linear and...
just part c,d, and e please!! Let V be a finite-dimensional vector space over F. For...
just part c,d, and e please!!
Let V be a finite-dimensional vector space over F. For every subset SCV, define Sº = {f eV" f(s) = 0 Vs ES}. (a) Prove that sº is a subspace of V* (S may not be a subspace!) (b) If W is a subspace of V and r & W, prove that there exists an few with f(x) +0. (c) If v inV, define u:V* → F by 0(f) = f(v). (This is linear...
Problem 9. Let V be a vector space over a field F (a) The empty set...
Problem 9. Let V be a vector space over a field F (a) The empty set is a subset of V. Is a subspace of V? Is linearly dependent or independent? Prove your claims. (b) Prove that the set Z O is a subspace of V. Find a basis for Z and the dimension of Z (c) Prove that there is a unique linear map T: Z → Z. Find the matrix representing this linear map and the determinant of...
2.4. Let V be a vector space and let vi,V,..., Vn be a basis in V....
2.4. Let V be a vector space and let vi,V,..., Vn be a basis in V. For x Prove that (x, y) defines an inner product in V
Question 1. Let V be a finite dimensional vector space over a field F and let...
Question 1. Let V be a finite dimensional vector space over a field F and let W be a subspace of Prove that the quotient space V/W is finite dimensional and dimr(V/IV) = dimF(V) _ dimF(W). Hint l. Start with a basis A = {wi, . . . , w,n} for W and extend it to a basis B = {wi , . . . , wm, V1 , . . . , va) for V. Hint 2. Our goal...
6. (i) Prove that if V is a vector space over a field F and E...
6. (i) Prove that if V is a vector space over a field F and E is a subfield of F then V is a vector space over E with the scalar multiplication on V restricted to scalars from E. (ii) Denote by N, the set of all positive integers, i.e., N= {1, 2, 3, ...}. Prove that span of vectors N in the vector space S over the field R from problem 4, which we denote by spanr N,...
Prove Lemma
a) Fix a basis {v1, v2, . . . ,
vn} for an n-dimensional vector space V. Define a linear
operator T : V → Fn in the following way: For each x =
Σni=1 civi ∈ V,
define
. Then T is a linear
operator.
b) Let T be a linear operator from V to W. Suppose that
{v1, v2, . . . , vn} is a basis
for V and {w1, w2, . . . ,...
(1) Let S (v1, V2,..., Vn be a set of vectors in a vector space V. (a) Define what does it mean for S to be linearly independent. (b) Define what does it mean for S to be a spanning set for V. (c) Define what does it mean for S to be a basis for v.
(4) Let {V1, V2, ..., Vn} be a basis for a vector space V. If w is an element of V whose coefficient vector is the zero vector, show that w must be the zero element.
Let V be a vector space. Suppose dimV = n and {V1, V2, ..., Vn} is a basis of V. Thei which of the following is always true? a) Any set of n vectors is linearly dependent b) Any linearly dependent set in V is not part of basis c) Any linearly dependent set with n - 1 vectors is a basis d) A linearly independent set with n vectors is a basis
Let V be a finite-dimensional vector space over F. For every subset SCV, define Sº = {f EV* | f(s) = 0 Vs E S}. (a) Prove that sº is a subspace of V* (S may not be a subspace!) (b) If W is a subspace of V and x € W, prove that there exists an fe Wº with f(x) + 0. (c) If v inV, define û :V* + F by ū(f) = f(u). (This is linear and...
just part c,d, and e please!!
Let V be a finite-dimensional vector space over F. For every subset SCV, define Sº = {f eV" f(s) = 0 Vs ES}. (a) Prove that sº is a subspace of V* (S may not be a subspace!) (b) If W is a subspace of V and r & W, prove that there exists an few with f(x) +0. (c) If v inV, define u:V* → F by 0(f) = f(v). (This is linear...
Problem 9. Let V be a vector space over a field F (a) The empty set is a subset of V. Is a subspace of V? Is linearly dependent or independent? Prove your claims. (b) Prove that the set Z O is a subspace of V. Find a basis for Z and the dimension of Z (c) Prove that there is a unique linear map T: Z → Z. Find the matrix representing this linear map and the determinant of...
2.4. Let V be a vector space and let vi,V,..., Vn be a basis in V. For x Prove that (x, y) defines an inner product in V
Question 1. Let V be a finite dimensional vector space over a field F and let W be a subspace of Prove that the quotient space V/W is finite dimensional and dimr(V/IV) = dimF(V) _ dimF(W). Hint l. Start with a basis A = {wi, . . . , w,n} for W and extend it to a basis B = {wi , . . . , wm, V1 , . . . , va) for V. Hint 2. Our goal...
6. (i) Prove that if V is a vector space over a field F and E is a subfield of F then V is a vector space over E with the scalar multiplication on V restricted to scalars from E. (ii) Denote by N, the set of all positive integers, i.e., N= {1, 2, 3, ...}. Prove that span of vectors N in the vector space S over the field R from problem 4, which we denote by spanr N,...
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