# Manuals/calci/IM

IM(n)

MATRIXIDENTITY(n)

• is the order of the matrix.

## Description

• This function shows the identity matrix of a given matrix.
• In , 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 .
• ,

, ......

## Examples

1.IM(3)

 1 0 0 0 1 0 0 0 1

2. IM(5)

 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1

## Related Videos

Types of Matrices