Difference between revisions of "Identity Command"
From GeoGebra Manual
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Revision as of 15:19, 23 July 2015
- 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]
.CAS Syntax
- 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]
.