Difference between revisions of "Identity Command"

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;Identity[ <Number> ]
 
;Identity[ <Number> ]

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].
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