專(zhuān)題文章
時(shí)長(zhǎng):00:00更新時(shí)間:2022-04-03 13:34:15
1、對(duì)偶規(guī)則:對(duì)偶式--對(duì)于任意一個(gè)邏輯函數(shù),若把式中的運(yùn)算符“.”換成“+”,“+”換成“.”;常量“0”換成“1”,“1”換成“0”,所得的新函數(shù)式為原函數(shù)式F的對(duì)偶式F′,也稱(chēng)對(duì)偶函數(shù)。2、對(duì)偶規(guī)則--如果兩個(gè)函數(shù)式相等,則它們對(duì)應(yīng)的對(duì)偶式也相等。即: 若 F1 = F2 則F1′= F2′。運(yùn)用對(duì)偶規(guī)則,使需要證明和記憶的公式減少一半,且為函數(shù)形式變換和簡(jiǎn)化帶來(lái)方便
查看詳情