问答题

试证函数f（z）=e^x（xcosy-ysiny）+ie^x（ycosy+xsiny）在z平面上解析。

答案：正确答案：二元函数可微（或偏导连续）|C.―R.方程|解析

你可能感兴趣的试题

单项选择题

How should "field call" in the forth sentence analyzed be understood?

A．receiving the call that is given to anyone
B．receiving the unexpected call from anxious parents
C．receiving the timely call when in need
D．receiving the call from the subburb

设f（z）在z平面上解析，且|f（z）|恒大于一正的常数，试证f（z）必为常数。

答案：正确答案：刘维尔定理|1/f（z）有界整函数|常数