We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
Suppose that A is a 9 × 12 matrix and that T(x) = Ax. If T is onto, then what is the dimension of the null space of A? Suppose that A is a 9 × 5 matrix and that B is an equivalent matrix in echelon form. If B has one pivot column, what is nullity(A)? Suppose that A is an n × m matrix, with rank(A) = 3, nullity(A) = 4, and col(A) a subspace of R6. What...
5. Let A be a 5 x 7 matrix with rank 4 (a) What is the dimension of the solution space of Ax = 0? Explain. (b) Does Ax b have a solution for all vectors bin R? Explain
[3 points) Suppose that A is an m x 3 matrix and that the nullity(A)=2. (a) What is the rank(AT)? (b) If Ax = b is consistent, then the solutions form which of the following? Circle one: Point in R3 Line in R3 Plane in R3 Point in R Line in R Plane in R™ (c) If mullity(AN) = 3, find m.
Recall that if T: R" R" is a linear transforrmation T(x) = [Tx, where [T is the transformation matrix, then 1. ker(T) null([T] (ker(T) is the kernel of T) 2. T is one-to-one exactly when ker(T) = {0 3. range of T subspace spanned by the columns of [T] col([T) 4. T is onto exactly when T(x) = [Tx = b is consistent for all b in R". 5. Also, T is onto exactly when range of T col([T]) =...
4 1 1. The matrix A and it reduced echelon form B are given below. 1-2 95 4 10 3 0 0 1 -1 6 5 3 0 1 -3 0 -7 -2 0 -6 1 -2 0 0 0 1 -2 9 1-9 0 0 0 0 0 (a) Find p, q, r s t Nul A, Col A, Row A is a subspace of RP, R9, R', respectively Answer. p = 9= (b) Find a basis for Nul...
1 1. The matrix A and it reduced echelon form B are given below. 1 -2 9 5 4 1 0 3 0 0 -1 6 5 -3 0 1 -3 0 -7 A= ~B= -2 0 -6 1 -2 0 0 1 -2 4 9 1 -9 0 0 0 0 0 (a) Find p, q, r s.t Nul A, Col A, Row A is a subspace of RP, R9, R”, respectively o 1 Answer. p = a =...
2. Let [8 Marks] 1 2 -1 1 3 -2 a) Find the null space of the matrix A and determine its dimension b) Find the range of the matrix A and determine rank(A) c) State the rank-nullity theorem and verify that it is valid for the matrix A. 2. Let [8 Marks] 1 2 -1 1 3 -2 a) Find the null space of the matrix A and determine its dimension b) Find the range of the matrix A...
2. [& marks] Consider the line ar transformation T: R – R? T(x,y,z) = (x +y-2, -1-y+z). (a) Show that the matrix [T]s, representing T in the standard bases of Rand R' is of the form [7|6,6= ( +1 -1 1). -1 -1 1 (b) Find a basis of the null space of T and determine the dimension of this space. (c) Find a basis of the range of T and determine the dimension of the range of T. (d)...
A8.2 Let A be an m × n matrix and B be an n × p matrix. (a) Show that col(B) C null(A) if and only if AB = 0. (b) Show that if AB = 0, then rank(A) + rank(B) 〈 n. A8.2 Let A be an m × n matrix and B be an n × p matrix. (a) Show that col(B) C null(A) if and only if AB = 0. (b) Show that if AB = 0,...
If the null space of a 7 x8 matrix is 2-dimensional, find rank A, dim RowA, and dim Col A OA rank A-5, dim Row A 5, dim Col A 5 OB. rank A 6, dim Row A-6, dim Col A 2 OC. rank A-6, dim Row A-6, dim Col A-6 OD. rank A 6, dim Row A 2, dim Col A-2