Identity Command
From GeoGebra Manual
- Identity[ <Number> ]
- Gives the identity matrix of the given order.
- Example:
Identity[3]
yields the matrix \begin{pmatrix}1&0&0\\0&1&0\\0&0&1\end{pmatrix}.
Note: If A is a square matrix of order n,
A^0
yields the same as Identity[n]
.