python复数有什么用_什么叫复数，怎么用，通俗简单点

复数是高中知识，可我没上过高中，编程要用到，我用的python复数是怎么计算的，复数后面的j是什么意思___________________________________________________________________________...

复数是高中知识，可我没上过高中，编程要用到，我用的python复数是怎么计算的，复数后面的j是什么意思______________________________________________________________________________________________a=3b=4c=5.66d=8.0e = complex(c,d)f = complex(float(a),float(b))print("a is type: ",type(a))print("b:",type(b))print("c:",type(c))print("d",type(d))print(("e:"),type(e))print("f:",type(f))print("\n")print(a+b)print(b/a)print(b//a)print(e)print(e+f)______________________________________________________________________________________________上面是代码，下面试运行结果______________________________________________________________________________________________a is type: b: c: d e: f: 1.413427561837455970(5.66+8j)(8.66+12j)

Python 3.6.0 (v3.6.0:41df79263a11, Dec 23 2016, 07:18:10) [MSC v.1900 32 bit (Intel)] on win32

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>>> help(complex)

Help on class complex in module builtins:

class complex(object)

| complex(real[, imag]) -> complex number

|

| Create a complex number from a real part and an optional imaginary part.

| This is equivalent to (real + imag*1j) where imag defaults to 0.

|

| Methods defined here:

|

| __abs__(self, /)

省略.....

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