Manuals/calci/IM

IM(n)

MATRIXIDENTITY(n)

• $n$ is the order of the matrix.

Description

• This function shows the identity matrix of a given matrix.
• In $IM(n)$,$n$ is the Order of identity matrix.
• Identity matrix is also called Unit matrix.
• Identity matrix of size n is the nxn square matrix with ones on the main diagonal and zeros on the other entries.
• Identity matrix is denoted by $I_{n}$.
• $I_{1}=[1]$,

$I_{2}={\begin{bmatrix}1&0\\0&1\end{bmatrix}}$, $I_{3}={\begin{bmatrix}1&0&0\\0&1&0\\0&0&1\end{bmatrix}}$...... $I_{n}={\begin{bmatrix}1&0&0\cdots &0\\0&1&0&\cdots &0\\0&0&1&\cdots &0\\\vdots &\ddots &\vdots \\0&0&0&\cdots &1\end{bmatrix}}$