對(duì)數(shù)函數(shù)兩邊取對(duì)數(shù) 指數(shù)函數(shù)怎么取對(duì)數(shù)?
指數(shù)函數(shù)怎么取對(duì)數(shù)?你應(yīng)該問的是數(shù)學(xué)指數(shù)和對(duì)數(shù),而不是經(jīng)濟(jì)指數(shù)在數(shù)學(xué)中,指數(shù)和對(duì)數(shù)是一對(duì)倒數(shù)運(yùn)算。指數(shù)函數(shù):對(duì)數(shù)函數(shù):其中是自變量,是因變量。、、、是變量,底數(shù)是常量。例如,與指數(shù)函數(shù)相對(duì)應(yīng)的對(duì)數(shù)函數(shù)
指數(shù)函數(shù)怎么取對(duì)數(shù)?
你應(yīng)該問的是數(shù)學(xué)指數(shù)和對(duì)數(shù),而不是經(jīng)濟(jì)指數(shù)
在數(shù)學(xué)中,指數(shù)和對(duì)數(shù)是一對(duì)倒數(shù)運(yùn)算。
指數(shù)函數(shù):
對(duì)數(shù)函數(shù):
其中是自變量,是因變量。
、、、是變量,底數(shù)是常量。
例如,與指數(shù)函數(shù)相對(duì)應(yīng)的對(duì)數(shù)函數(shù)是(通常寫為,這里和前面指數(shù)函數(shù)的和不是同一個(gè)變量)。
冪指函數(shù)取對(duì)數(shù)怎么取?
兩邊同時(shí)取對(duì)數(shù),用對(duì)數(shù)公式LNX^n=nlnx將指數(shù)函數(shù)變換成乘法形式。