Question

Compute the matrix representation M(f) of f with respect to the basis
v1 = (2, 1, 1), v2 = (0, 2, −3), v3 = (2, 3, 1) of R
3
and the basis
w1 = (1, 1, 0, 0), w2 = (1, 1, 1, 0), w3 = (0, 1, 1, 1), w4 = (0, 0, 1, 1) of R
4
.