Special Matrix2

Special Matrix (8) Vandermonde Matrix
Vandermonde matrices have the following form:$$A_n=\begin{bmatrix} 1&x_1&x_1^2&\cdots&am...
Special Matrix (1) Nilpotent Matrix
Let $A$ be an $n\times n$ matrix. If there exists a positive integer $q$ such that \begin{equation}\...