Problem 6. (15 pts.) Project the vector b = (1, 2,5) onto the line spanned by...
Problem 13. Let l be the line in R' spanned by the vector u = 3 and let P:R -R be the projection onto line l. We have seen that projection onto a line is a linear transformation (also see page 218 example 3.59). a). Find the standard matrix representation of P by finding the images of the standard basis vectors e, e, and e, under the transformation P. b). Find the standard matrix representation of P by the second...
(1 point) What is the matrix P-(P) for the projection of a vector b є R3 onto the subspace spanned by the vector a- ? 5 9 Pl 3 1 2 P21 23 - P32 31 What is the projection p of the vector b0onto this subspace? 9 Pl Check your answer for p against the formula for p on page 208 in Strang. (1 point) What is the matrix P-(P) for the projection of a vector b є R3...
5.4. Find the matrix of the orthogonal projection in R2 onto the line x1 = –2x2. Hint: What is the matrix of the projection onto the coordinate axis x1? Problem 5. Problem 5.4 on page 23. The following method is suggested: (1) Find an angle o such that the line x1 = –2x2 is obtained by rotating the x-axis by 0. (2) Convince yourself with geometry that to project a vector v onto the line x1 = –2x2 is the...
(20) Let W be spanned by (1,1,0)7 and (1,-1,2)T in R3x1 Find the projection matrix from R3x1 onto W (a) (1,1,1)7 in W? (b) Is the vector b (c) Find the solutionx to the least square problem for Ax = b. (d) What is the vector in W that best approximates b? (20) Let W be spanned by (1,1,0)7 and (1,-1,2)T in R3x1 Find the projection matrix from R3x1 onto W (a) (1,1,1)7 in W? (b) Is the vector b...
Recall from linear algebra the definition of the projection of one vector onto another. As before, we have 3-dimensional vectors = a2 a3 and (2) -a2 - a3 What is the signed magnitude c of the projection pf)-r2) of x1) onto a(2)? More precisely, let u be the unit vector in the direction of the correct choice above, find a number c such that pri)-g(2) == CU. Express your answer in terms of a 1 for a1, a_2 for a2,...
4 1|and b-l-2 Let A-13 a) Find the orthogonal projection p of b onto C(A) with its error vector. b) Find the least squares approximation, £, to the solution vector x of Ai- c) The least squares error is defined to be the length of the vector b - AX. Find this vector and its length. d) What is the relationship between A, , and p? 4 1|and b-l-2 Let A-13 a) Find the orthogonal projection p of b onto...
6. Let L be the line in spanned by the vector u =(1,-1,2). (a) (6 points) Compute a basis for the subspace Zt. 7. (6 point bonus! Find the general solution y to the second-order linear differential equa- tion below. Use C.C.C.... for the names of any unknown constants. 0-1 + 424 = 0 (b) (6 points Use the Gram-Schuit process to find an orthonormal basis for L,
What is the signed magnitude c of the projection p correct choice above, find a number c such that po of z) onto z2)? More precisely, let u be the unit vector in the direction of the cu Express your answer in terms of a 1 for a1, a 2 for a2, and a 3 for as. (a 1+a 2V(a 3) a1+a What is the (vector) projection p) of z) onto ?Express your answer in terms of the signed magnitude...
Problem 4. Let V be the vector space of all infinitely differentiable functions f: [0, ] -» R, equipped with the inner product f(t)g(t)d (f,g) = (a) Let UC V be the subspace spanned by B = (sinr, cos x, 1) (you may assume without proof that B is linearly independent, and hence a basis for U). Find the B-matrix [D]93 of the "derivative linear transformation" D : U -> U given by D(f) = f'. (b) Let WC V...
Linear Algebra. Please explain each step! Thank you. 2 pts) Problem 8: In this Problem you choose either (i) or (ii) to answer: (i)Let V be a finite dimensional vector space with bases B, B', B". Prove that (ii) Accept the formula in () without deriving it and instead show that, t the formula in (i) without deriving it and instead show that, B,3' 2 pts) Problem 8: In this Problem you choose either (i) or (ii) to answer: (i)Let...