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Log

Usage

Log[z] 给出 z 的自然对数 (对数的基底是  ).
Log[b, z] 给出基底为  的对数。


Notes

• 数学函数(参见 A.3.10).
• 可能的话,Log 给出精确有理数结果。
Log[z] 在复平面上从   有一个不连续分支线。
• 参见 Mathematica 全书: 1.1.3 and 节 3.2.6.
Further Examples

Without a second argument Log is the natural logarithm to the base E.

In[1]:=  

Out[1]=

This is the derivative.

In[2]:=  

Out[2]=

This is the integral.

In[3]:=  

Out[3]=

This is a series expansion around  .

In[4]:=  

Out[4]=



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