Alan伦 当前离线
CFA New Member
BOOK1中第252页
The lognormal distribution is bounded from below by zero.....
对数发布我明白是大于0的发布,可是我很难理解英文的这句"from below by zero" 表述。。有高手可以说明一下吗?
jackchou 当前离线
CFA Candidates
我也是初手,根据我的理解:这句的意思是下限是零
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