發布者 | 內容列 | 訪客
| 離散數學的問題??? | | Let X={a,b,c,d,e,f},and let R={(a,b),(a,d),(e,e),(c,f)}.How to make a reflexive relation ,a symmetric relation, and transitive relation. To show your suggestions by the directed graph.
麻煩各位了.....
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| 2002-10-21 00:37 | | 訪客
| Re: 離散數學的問題??? | | 引文:
寫道: Let X={a,b,c,d,e,f},and let R={(a,b),(a,d),(e,e),(c,f)}.How to make a reflexive relation ,a symmetric relation, and transitive relation. To show your suggestions by the directed graph.
麻煩各位了.....
容我發問:這些關係應是建立於某個集合或一些集合上,或某一個對象,我不清楚你所考慮? 是在那裡建立這一些關系? Set X, or R ?
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| 2002-10-23 21:10 | |
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