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Arg

Usage

Arg[z] 给出复数 z的幅角.


Notes

• 数学函数(参见 A.3.10).
• 如果 不是数值量,则 Arg[z]将不进行计算而保留.
Arg[z] 使用弧度给出 z 的相角.
Arg[z]的结果总在  之间.
• 在复平面 z 上从   具有不连续分支线.
• 参见 Mathematica 全书: 1.1.5节 和 3.2.2节.
• 同时参见: ArcTan, Sign.
Further Examples

The argument of a complex number z gives the angle that the line from  to z makes with the positive real axis.

In[1]:=  

Out[1]=

This gives the arguments of the units in the complex plane.

In[2]:=  

Out[2]=



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