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matlab如何顯示分子為0的分數，並進行模糊集合運算

Mar 23rd 2014, 03:06

matlab中顯示分數的函數為 format rat ，但不論用0/1或0/3的方式顯示出來的結果都是0，如果要取矩陣的交集和聯集無法運算出來，想請高手幫忙解決，應用於模糊集合方面的問題(加號表示區隔不是相加)：

問題1:請教matlab如何顯示0/2或0/3...等分子為0的分數(不是顯示=0)
問題2:請協助以matlab語法寫出下列模糊集合問題的計算

A集合={0/1 +0/2 +0.1/3+0.1/4+0.2/5+0.8/6+1/7+1/8}
B集合={0.1/1+0.5/2+1/3 +1/4 +1/5 +1/6 +1/7+1/8}
C集合={0/1 +0/2 +1/3 +1/4 +1/5 +1/6 +1/7+1/8}
D集合={0/1 +0.6/2 +0.1/3+0.2/4 +0.5/5+0.8/6+1/7+1/8}
(1)求A和B集合的聯集、交集
(2)求A集合補集/差集
(3)求A集合/B集合
(4)(A與B聯集)的補集/差集

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