java.lang.Object
- smile.math.Complex

All Implemented Interfaces:

java.io.Serializable
```
public class Complex
extends java.lang.Object
implements java.io.Serializable
```
Complex number. The object is immutable so once you create and initialize a Complex object, you cannot modify it.

Author:

Haifeng Li

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor Description

Complex(double real, double imag)
Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`double`	`abs()`	Returns abs/modulus/magnitude.
`Complex`	`conjugate()`	Returns the conjugate.
`Complex`	`cos()`	Returns the complex cosine.
`Complex`	`div(Complex b)`	Returns a / b.
`boolean`	`equals(java.lang.Object o)`
`Complex`	`exp()`	Returns the complex exponential.
`int`	`hashCode()`
`double`	`im()`	Returns the imaginary part.
`Complex`	`minus(Complex b)`	Returns this - b.
`double`	`phase()`	Returns angle/phase/argument between -pi and pi.
`Complex`	`plus(Complex b)`	Returns this + b.
`double`	`re()`	Returns the real part.
`Complex`	`reciprocal()`	Returns the reciprocal.
`Complex`	`sin()`	Returns the complex sine.
`Complex`	`tan()`	Returns the complex tangent.
`Complex`	`times(double b)`	Scalar multiplication.* Returns this * b.
`Complex`	`times(Complex b)`	Returns this * b.
`java.lang.String`	`toString()`

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - Complex
```
public Complex(double real,
               double imag)
```
    Constructor.
    
    Parameters:
    
    real - real part
    
    imag - imaginary part
- Method Detail
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
  - equals
```
public boolean equals(java.lang.Object o)
```
    Overrides:
    
    equals in class java.lang.Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object
  - abs
```
public double abs()
```
    Returns abs/modulus/magnitude.
  - phase
```
public double phase()
```
    Returns angle/phase/argument between -pi and pi.
  - plus
```
public Complex plus(Complex b)
```
    Returns this + b.
  - minus
```
public Complex minus(Complex b)
```
    Returns this - b.
  - times
```
public Complex times(Complex b)
```
    Returns this * b.
  - times
```
public Complex times(double b)
```
    Scalar multiplication.* Returns this * b.
  - div
```
public Complex div(Complex b)
```
    Returns a / b.
  - conjugate
```
public Complex conjugate()
```
    Returns the conjugate.
  - reciprocal
```
public Complex reciprocal()
```
    Returns the reciprocal.
  - re
```
public double re()
```
    Returns the real part.
  - im
```
public double im()
```
    Returns the imaginary part.
  - exp
```
public Complex exp()
```
    Returns the complex exponential.
  - sin
```
public Complex sin()
```
    Returns the complex sine.
  - cos
```
public Complex cos()
```
    Returns the complex cosine.
  - tan
```
public Complex tan()
```
    Returns the complex tangent.

Class Complex

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

Complex

Method Detail

toString

equals

hashCode

abs

phase

plus

minus

times

times

div

conjugate

reciprocal

re

im

exp

sin

cos

tan