Exercise 3.2.20

Answers

The matrix

A = [\begin{matrix} 0 & 1 \\ 0 & 0 \end{matrix}]

has $N (A) = C (A) .$ Notice that

rref (A^{T}) = [\begin{matrix} 1 & 0 \\ 0 & 0 \end{matrix}] \neq A^{T} .

mathchakra

2022-01-23 10:48