For the following matrix: [1 1 2] |1 1 2| = A [2 3 5] a)...
For the following matrix:
[1 1 2]
|1 1 2| = A
[2 3 5]
a) Find a matrix B in reduced echelon form such that B is row equivalent to the given matrix A.
b) Find a basis for the nullspace of A.
c) Find a basis for the range of A that consists of columns of A. For each column, Aj, of A that does not appear in the basis, express Aj as a linear combination of the basis vectors.
d) Show a basis for the rowspace of A.
Homework Answers
Problem 2 [2 4 6 81 Let A 1 3 0 5; L1 1 6 3 a) Find a basis for the nullspace of A b) Find the basis for the rowspace of A c) Find the basis for the range of A that consists of column vectors of...
Problem 2 [2 4 6 81 Let A 1 3 0 5; L1 1 6 3 a) Find a basis for the nullspace of A b) Find the basis for the rowspace of A c) Find the basis for the range of A that consists of column vectors of A d) For each column vector which is not a basis vector that you obtained in c), express it as a linear combination of the basis vectors for the range of...
Question 3 please answer clearly. A matrix A and its reduced row echelon form are given...
Question 3
please answer clearly.
A matrix A and its reduced row echelon form are given as follows: [ 2 1 3 41 | 1 2 0 2 A= 3 21 12 | 3 -1 7 9 18 7 9 -4 and rref(A) = [ 1 0 201 0 1 -1 0 0 0 0 1 0 0 0 0 | 0 0 0 0 Use this information to answer the following questions. (a) Is the column vector u= in...
4. Consider the matrix [1 0 01 A- 1 0 2-1and the vector b2 (a) Construct...
4. Consider the matrix [1 0 01 A- 1 0 2-1and the vector b2 (a) Construct the augmented matrix [Alb] and use elementary row operations to trans- form it to reduced row echelon form. (b) Find a basis for the column space of A. (c) Express the vectors v4 and vs, which are column vectors of column 4 and 5 of A, as linear combinations of the vectors in the basis found in (b) (d) Find a basis for the...
Please answer from part a through u The Fundamental Matrix Spaces: Consider the augmented matrix: 2...
Please answer from part a through u
The Fundamental Matrix Spaces: Consider the augmented matrix: 2 -3 -4 -9 -4 -5 6 7 6 -8 4 1 3 -2 -2 9 -5 -11 -17 -16 3 -2 -2 7 14 -7 2 7 8 12 [A[/] = 2 6 | -2 -4 -9 | -3 -3 -1 | -10 8 11 | 11 1 8 / 7 -10 31 -17 with rref R= [100 5 6 0 3 | 4...
IT a) If one row in an echelon form for an augmented matrix is [o 0 5 o 0 b) A vector bis a linear combination of the columns of a matrix A if and only if the c) The solution set of Ai-b is the set o...
IT a) If one row in an echelon form for an augmented matrix is [o 0 5 o 0 b) A vector bis a linear combination of the columns of a matrix A if and only if the c) The solution set of Ai-b is the set of all vectors of the formu +vh d) The columns of a matrix A are linearly independent if the equation A 0has If A and Bare invertible nxn matrices then A- B-'is the...
1. Consider the following matrix and its reduced row echelon form [1 0 3 3 5...
1. Consider the following matrix and its reduced row echelon form [1 0 3 3 5 187 [1 0 3 3 0 37 1 1 5 4 1 10 0 1 2 1 0 - A=1 4 1 0 3 3 -1 0 rref(A) = 10 0 0 0 1 3 2 0 6 6 -1 3 | 0 0 0 0 0 0 (a) Find a basis of row(A), the row space of A. (b) What is the dimension...
3. You are given the following matrix -4 12 2 7 a)4 points) Find a basis...
3. You are given the following matrix -4 12 2 7 a)4 points) Find a basis for the nullspace of (b) 4 points] Using the columns of A, find a basis for the column space of A (c) [2 points What are the dimensions of these spaces? (d) [2 points] ls the vector u-I1-1 0 ојт in the nullspace of A? Why? (e) [4 points] Is the vector w-17-9 9-9]T İn the column space of A? If so, express w...
4. Consider the matrix 0- 3 1 -2 1 4 (a) Use Matlab to determine the reduced row echelon form of A (b) If v, V2, vs, v4...
4. Consider the matrix 0- 3 1 -2 1 4 (a) Use Matlab to determine the reduced row echelon form of A (b) If v, V2, vs, v4 are the column vectors of the matrix A, use your result from (a) to obtain a basis for the subspace of W-linsv1, V2, V3, V4. Write the basis in the box below
4. Consider the matrix 0- 3 1 -2 1 4 (a) Use Matlab to determine the reduced row echelon form...
eclass.srv.ualberta.ca 2 of 2 1. Consider the matrix 3-2 1 4-1 2 3 5 7 8...
eclass.srv.ualberta.ca 2 of 2 1. Consider the matrix 3-2 1 4-1 2 3 5 7 8 (a) Find a basis B for the null space of A. Hint: you need to verify that the vectors you propose 20 actually form a basis for the null space. (Recall: (1) the null space of A consists of all x e R with Ax = 0, and (2) the matrix equation Ax = 0 is equivalent to a certain system of linear equations.)...
Problem #10: [3 marks] Let A be a 4 x 3 matrix. Consider the following statements....
Problem #10: [3 marks] Let A be a 4 x 3 matrix. Consider the following statements. (i) The set consisting of all of the row vectors of the reduced row.echelon form of A is a basis for the rowspace of A. (ii) The row space of A is a subspace of R. (iii) The vector (0,0,0)' is in the nullspace of A. Determine which of the above statements are always True (1) or may be False (2). So, for example,...
Problem 2 [2 4 6 81 Let A 1 3 0 5; L1 1 6 3 a) Find a basis for the nullspace of A b) Find the basis for the rowspace of A c) Find the basis for the range of A that consists of column vectors of A d) For each column vector which is not a basis vector that you obtained in c), express it as a linear combination of the basis vectors for the range of...
Question 3
please answer clearly.
A matrix A and its reduced row echelon form are given as follows: [ 2 1 3 41 | 1 2 0 2 A= 3 21 12 | 3 -1 7 9 18 7 9 -4 and rref(A) = [ 1 0 201 0 1 -1 0 0 0 0 1 0 0 0 0 | 0 0 0 0 Use this information to answer the following questions. (a) Is the column vector u= in...
4. Consider the matrix [1 0 01 A- 1 0 2-1and the vector b2 (a) Construct the augmented matrix [Alb] and use elementary row operations to trans- form it to reduced row echelon form. (b) Find a basis for the column space of A. (c) Express the vectors v4 and vs, which are column vectors of column 4 and 5 of A, as linear combinations of the vectors in the basis found in (b) (d) Find a basis for the...
Please answer from part a through u
The Fundamental Matrix Spaces: Consider the augmented matrix: 2 -3 -4 -9 -4 -5 6 7 6 -8 4 1 3 -2 -2 9 -5 -11 -17 -16 3 -2 -2 7 14 -7 2 7 8 12 [A[/] = 2 6 | -2 -4 -9 | -3 -3 -1 | -10 8 11 | 11 1 8 / 7 -10 31 -17 with rref R= [100 5 6 0 3 | 4...
IT a) If one row in an echelon form for an augmented matrix is [o 0 5 o 0 b) A vector bis a linear combination of the columns of a matrix A if and only if the c) The solution set of Ai-b is the set of all vectors of the formu +vh d) The columns of a matrix A are linearly independent if the equation A 0has If A and Bare invertible nxn matrices then A- B-'is the...
1. Consider the following matrix and its reduced row echelon form [1 0 3 3 5 187 [1 0 3 3 0 37 1 1 5 4 1 10 0 1 2 1 0 - A=1 4 1 0 3 3 -1 0 rref(A) = 10 0 0 0 1 3 2 0 6 6 -1 3 | 0 0 0 0 0 0 (a) Find a basis of row(A), the row space of A. (b) What is the dimension...
3. You are given the following matrix -4 12 2 7 a)4 points) Find a basis for the nullspace of (b) 4 points] Using the columns of A, find a basis for the column space of A (c) [2 points What are the dimensions of these spaces? (d) [2 points] ls the vector u-I1-1 0 ојт in the nullspace of A? Why? (e) [4 points] Is the vector w-17-9 9-9]T İn the column space of A? If so, express w...
4. Consider the matrix 0- 3 1 -2 1 4 (a) Use Matlab to determine the reduced row echelon form of A (b) If v, V2, vs, v4 are the column vectors of the matrix A, use your result from (a) to obtain a basis for the subspace of W-linsv1, V2, V3, V4. Write the basis in the box below
4. Consider the matrix 0- 3 1 -2 1 4 (a) Use Matlab to determine the reduced row echelon form...
eclass.srv.ualberta.ca 2 of 2 1. Consider the matrix 3-2 1 4-1 2 3 5 7 8 (a) Find a basis B for the null space of A. Hint: you need to verify that the vectors you propose 20 actually form a basis for the null space. (Recall: (1) the null space of A consists of all x e R with Ax = 0, and (2) the matrix equation Ax = 0 is equivalent to a certain system of linear equations.)...
Problem #10: [3 marks] Let A be a 4 x 3 matrix. Consider the following statements. (i) The set consisting of all of the row vectors of the reduced row.echelon form of A is a basis for the rowspace of A. (ii) The row space of A is a subspace of R. (iii) The vector (0,0,0)' is in the nullspace of A. Determine which of the above statements are always True (1) or may be False (2). So, for example,...
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