log和ln之間的換算推導(dǎo) log和ln之間的換算?
log和ln之間的換算?Log(c)(a*b)=Log(c)a Log(c)b-相當(dāng)于與相同基數(shù)的冪相乘,常數(shù)基數(shù)“指數(shù)加法”Log(c)(a/b)=Log(c)a/Log(c)b-相當(dāng)于與相同基數(shù)的
log和ln之間的換算?
Log(c)(a*b)=Log(c)a Log(c)b-相當(dāng)于與相同基數(shù)的冪相乘,常數(shù)基數(shù)“指數(shù)加法”Log(c)(a/b)=Log(c)a/Log(c)b-相當(dāng)于與相同基數(shù)的冪相除,常數(shù)基數(shù)“指數(shù)減法”2。Log(c)(a^n)=n*Log(c)a Log(c)a=Log(b)a/Log(b)c-底公式這是一些常用的對數(shù)公式。
log和ln存在怎樣的關(guān)系?
logex=LNX
以e為底的對數(shù)是ln
ln是自然對數(shù),以e為底的對數(shù),LG是常用對數(shù),以10為底的對數(shù),Log是一般對數(shù),它可以基于任何大于0且不等于1的數(shù)字
~]㏒它是拉丁語中對數(shù)的縮寫㏑以e為底的對數(shù)為方便稱為自然對數(shù)n㏒en的自然對數(shù)縮寫為㏑n,例如,自然對數(shù)㏒E3縮寫為㏑3,e=2.71828···················································································································································;
log和LN轉(zhuǎn)換公式:
logn=lnn/ln10
lnn=logn/loge
LN是以e為底的log函數(shù)
LG是以10為底的log函數(shù)
logx×log=log(x y)
logx/log=log(x-y)
log,ln,lg的具體含義和關(guān)系?
log是對數(shù)符號。右邊的實數(shù)和底數(shù)(上面是實數(shù),下面是底數(shù))在底數(shù)為10時縮寫為LG,在底數(shù)為e時縮寫為LN。例如,LN5是以e為底數(shù),5為實數(shù)的對數(shù)。