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单词 logarithmic function
释义

logarithmic function

(ln) The logarithmic function lnx may be defined for positive x as follows:

lnx as an area

It can equally be defined as the inverse function of the exponential function. lnx is differentiable and increasing with derivative 1/x.

Graph of lnx

Further, lnx = logex satisfies properties (i)–(v) listed under logarithm.

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更新时间:2025/4/29 4:41:08