Open klren0312 opened 1 year ago
$$\begin{bmatrix} {1}&{0}&{0}&{0}\\ {0}&{1}&{0}&{0}\\ {0}&{0}&{1}&{0}\\ {0}&{0}&{0}&{1}\\ \end{bmatrix}$$
$$\begin{bmatrix} {1}&{0}&{0}&{0}\ {0}&{1}&{0}&{0}\ {0}&{0}&{1}&{0}\ {0}&{0}&{0}&{1}\ \end{bmatrix}$$
$$\begin{bmatrix} {1}&{0}&{0}&{0}\ {0}&{1}&{0}&{0}\ {0}&{0}&{1}&{0}\ {0}&{0}&{0}&{1}\ \end{bmatrix}$$