Difference between revisions of "Identity Command"

Revision as of 15:16, 16 August 2011

Identity[Number]: Returns the identity matrix with the given order.; 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 as Identity[n].

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 {{command|vector-matrix}}
 ; Identity[Number]: Returns the identity matrix with the given order.
-:{{Example|1= <code>Identity[3]</code> gives you the matrix ''{{1, 0, 0}, {0, 1, 0}, {0, 0, 1}}''.}}
+:{{Example|1= <code>Identity[3]</code> gives you the matrix ''<math>\begin{pmatrix}1&0&0\\0&1&0\\0&0&1\end{pmatrix}</math>''.}}
 :{{Note|1=If ''A'' is a square matrix of order ''n'', <code>A^0</code> produces the same matrix as <code>Identity[n]</code>.}}
 ==CAS Syntax==
 ;Identity[Number]: Returns the identity matrix with the given order.