2. Let Wi-((a, b, c) : a-c-b), W2-((a, b, c) : ab>0), W3-((z, y,z) : r2+92+22£1} be subsets of R3 (a) Determine which of these subsets is a subspace of R3. Justify your answer. (b) For the subsets which are subspaces, find a basis and the dimension for each of them 2. Let Wi-((a, b, c) : a-c-b), W2-((a, b, c) : ab>0), W3-((z, y,z) : r2+92+22£1} be subsets of R3 (a) Determine which of these subsets is a subspace...
5. Let V = {(x + 2y, x + 2y) : x,y,z E R} be a subspace of R2, Find dim V.
Let and consider V={x∈R^2 | Ax=5x}. Prove that V is a subspace of R^2, find a basis for V, and determine its dimension.
Let T: R3 → R2 T(x, y, z) = (x + y,y+z) a. Is T a linear transformation? b. Find the matrix A of T C. Find the dimension of NUT and image T
How can I get the (a) 3*2 matrix A? x 7. [30pts] Let V be the subspace of R consisting of vectors satisfying x- y+z = 0 y (a) Find a 3x2 matrix A whose column space is V and the entries a a1 0 = (b) Find an orthonormal basis for V by applying the Gram-Schmidt procedure (c) Find the projection matrix P projecting onto the left nullspace (not the column space) of A (d) Find an SVD (A...
Linear Algebra Problem! 1. Let U be the subspace of R3 given by 11 + 12 - 213 = 0. for U. Justify that is an ordered basis. What is the a) Find an ordered basis dimension of U? b) Let ū= (1,1,1). Show that ✓ EU and find the B-coordinate vector (Ū3 = C:(Ū), where Ce: U + R2 is the B-coordinate transformation.
1 3. Consider the vector v= (-1) in R3. Let U = {w € R3 :w.v=0}, where w.v is the dot product. 2 (a) Prove that U is a subspace of R3. (b) Find a basis for U and compute its dimension. 4. Decide whether or not the following subsets of vector spaces are linearly independent. If they are, prove it. If they aren't, write one as a linear combination of the others. (a) The subset {0 0 0 of...
Problem 6. Let c > 0 and let (ar, y, z) E R3 \ {p= (,y, 2) R3: y0, 2 0} S = = Identify a parametrization d: U -> S of S (so UC R2 open so that S is part of a cone. etc.) such that d 1 is a conformal chart Suggestion: parametrize as a surface of revolution. Problem 6. Let c > 0 and let (ar, y, z) E R3 \ {p= (,y, 2) R3: y0,...
True or false: $$ V=\left\{\left[\begin{array}{l} x \\ y \\ z \end{array}\right] \in \mathbb{R}^{3}: x \geq 0\right\} $$is a subspace of R3. True False Question 10 (1 point) True or false: $$ V=\left\{\left[\begin{array}{l} x \\ y \\ z \end{array}\right] \in \mathbb{R}^{3}: x-y=z+1\right\} $$is a subspace of R3. True False
1. Let 1 -1][-1 s={ 112 [1] 1 1 Find a basis for the subspace W = span S of M22. What is the dim W? 2. Find the basis for the solution space of the homogeneous system: a. x+2y = 0 2x+4y =0 b. 3x+2y+4z=0 2x+ y - Z = 0 x +y +3z =0