Question

# 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

Matlab Code

4.(a)

A=[-1 0 1 2;-1 1 0 -1;0 -1 1 3;1 -2 1 4];
rref(A)

Output

ans =

1 0 -1 -2
0 1 -1 -3
0 0 0 0
0 0 0 0

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