# Manuals/calci/MATRIXIDENTITY

**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.MATRIXIDENTITY(3)

1 | 0 | 0 |

0 | 1 | 0 |

0 | 0 | 1 |

2. MATRIXIDENTITY(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

## See Also

## References