Concept explainers
Projection Onto a Subspace In Exercises 17-20, find the projection of the
Want to see the full answer?
Check out a sample textbook solutionChapter 5 Solutions
Elementary Linear Algebra - Text Only (Looseleaf)
- Determine Subspaces In Exercises 17-24, determine whether W is a subspace of the vector space V. W={(x,y,z):x0},V=R3arrow_forwardVerifying Subspaces In Exercises 1-6, verify that W is a subspace of V. In each case assume that V has the standard operations. W={(x,y,4x5y):xandyarerealnumbers}V=R3arrow_forwardGive an example showing that the union of two subspaces of a vector space V is not necessarily a subspace of V.arrow_forward
- Proof Prove that if S1 and S2 are orthogonal subspaces of Rn, then their intersection consists of only the zero vector.arrow_forwardFinding a basis for a subspace in exercise 13-16, find a basis for the subspace of R3 spanned by S. S={(2,3,1)(1,3,9)(0,1,5)}arrow_forwardDetermine subspaces of Mn,n In Exercises 2936, determine whether the subsetMn,n is a subspace ofMn,nwith the standard operations. Justify your answer. The set of all nn diagonal matricesarrow_forward
- Verifying Subspaces In Exercises 1-6, verify that W is a subspace of V. In each case assume that V has the standard operations. W is the set of all 32 matrices of the form [aba2b00c] V=M3,2arrow_forwardVerifying Subspaces In Exercises 1-6, verify that W is a subspace of V. In each case assume that V has the standard operations. W is the set of all 22 matrices of the form [0ab0] V=M2,2arrow_forwardProof Let W is a subspace of the vector space V. Prove that the zero vector in V is also the zero vector in W.arrow_forward
- Proof Let A be a fixed mn matrix. Prove that the set W={xRn:Ax=0} is a subspace of Rn.arrow_forwardCalculus Let B={1,x,ex,xex} be a basis for a subspace W of the space of continuous functions, and let Dx be the differential operator on W. Find the matrix for Dx relative to the basis B.arrow_forwardSubsets That Are Not Subspaces In Exercises 7-20 W is not a subspace of vector space. Verify this by giving a specific example that violates the test for a vector subspace Theorem 4.5. W is the set of all vectors in R2 whose second component is the square of the first.arrow_forward
- Elementary Linear Algebra (MindTap Course List)AlgebraISBN:9781305658004Author:Ron LarsonPublisher:Cengage LearningLinear Algebra: A Modern IntroductionAlgebraISBN:9781285463247Author:David PoolePublisher:Cengage Learning