# Manuals/calci/CONFERENCE

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**MATRIX("CONFERENCE",order)**

- is the order of the Conference matrix.

## Description

- This function shows the matrix which is satisfying the property of Conference.
- A Conference matrix is a square matrix C with diagonal entries 0 and the off diagonal entries are +1 and -1.
- Here the argument MATRIX("conference") is displaying the conference matrix of order 3.
- Also users can get different order of matrices.
- Conference matrices are of two types:
- 1.Symmetric conference matrices.
- 2.Skew conference matrices

## Examples

- MATRIX("conference") = 0
- MATRIX("conference",3)

0 | 1 | 1 |

1 | 0 | 1 |

1 | -1 | 0 |

- MATRIX("conference",5)

0 | 1 | -1 | -1 | 1 |

1 | 0 | 1 | 1 | 1 |

-1 | 1 | 0 | -1 | -1 |

-1 | 1 | -1 | 0 | -1 |

1 | 1 | 1 | 1 | 0 |