Problem 2.1 1. Let S be a linearly independent set. Is there a proper subset SCS such that span(S) = span(S')? Justify your answer. 2. Let S be a subset of a vector space V and fix a vector x S. Prove that if x = span(S), then SU{x} is linearly dependent.
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- 10.Suppose that each of the vectors x(1), …, x(m) has n components, where n < m. Show that x(1), …, x(m) are linearly dependent. In each of Problems 11 and 12, determine whether the members of the given set of vectors are linearly independent for −∞ < t < ∞ . If they are linearly dependent, find the linear relation among them.I need help for problem (h). Check that the set at (h) is a subspace of Rn or not.Problem 3: (2 marks) Let V = R be a vector space and let W be a subset of ', where W = {a,b,c):b = c² }. Determine, whether W is a subspace of vector space or not.
- a.) Let u = (2, 4) and v = (−3, 5). Compute u + v. b.) Let u = (2, 4) and k = 7. Compute ku. c.) Let u = (2, 4), v = (−3, 5) and k = 7. Compute k(u + v). d.) Is V a vector space with the stated operations? e.) If V is not a vector space, which property fails to hold?6) Suppose that ? is a linear operator on a 2 dimensional vector space ? and that ? = ̸ ? ? for any ? ∈ F. Then if ? ∈ L(V) and ?? = ?? then ? = ?(?) for some polynomial ?(?)Recall that we say that a random variable X is in the vector space L^2 if it has finite second moment, EX^2 In this problem we will understand a bit better the geometry of the vector space L^2(1) Show that ||X||_2 = √EX^2 is a norm
- Show that the system x' =Ax has constant solutions otherthan x(t)= 0 if and only if there exists a (constant) vectorx ≠ 0 with Ax = 0. (It is shown in linear algebra that sucha vector x exists exactly when det(A) = 0.)Need help with a Jacobian Practice Problem!If p4 is a vector space formed by polynomials of degree less than 3 And s = { ax^3 + bx^2 +cx + d : 2a + b = C } is subset of this set, Determine a base and size of the set S
- Question B.3 Consider the minimization problem M(p, y) = min x U(x) s.t. p1 · x1 + ... + pn · xn ≤ y where U : Rn → R is continuous. Prove that the function M(p, y) : Rn + × R+ → R is quasi-concave. [Hint: the subscript + means that all elements of a vector are non negative and at least one is strictly larger than zero.]Let V is finite vector space and suppose that V=internal direct sum of U and S1. Also V=internal direct sum of U and S2. What can you say about the relationship between S1and S2? What can you say if S1 is a subset of S2?Need help with a Jacobian Problem