## Undirected Graph

## Incident Matrix

E1 | E2 | E3 | E4 | E5 | |

V1 | 1 | 0 | 0 | 1 | 0 |

V2 | 0 | 1 | 1 | 0 | 0 |

V3 | 1 | 1 | 0 | 0 | 1 |

V4 | 1 | 0 | 1 | 1 | 1 |

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