# Manuals/calci/EYE

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**EYE (Number)**

- is the order of the matrix.

## Description

- This function shows the identity matrix of a given order.
- In , is the order of a 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

- EYE(1) =1
- EYE(2)

1 | 0 |

0 | 1 |

3. EYE(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