Identity Command
From GeoGebra Manual
- Identity[Number n]
- Returns the identity matrix with the given order (n\times n).
- Example:
Identity[3]
gives you 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
produces the same matrix asIdentity[n]
. - Note: This command is not dynamic. ie
Identity[a]
will not change when a is changed
CAS Syntax
- Identity[Number]
- Returns the identity matrix with the given order.