Complex (GRIP)

java.lang.Object
- net.grelf.Complex

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable
```
public class Complex
extends java.lang.Object
implements java.lang.Cloneable, java.io.Serializable
```
Complex numbers and operations upon them.

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field and Description

double im
Imaginary part.

double re
Real part.

Fields
Modifier and Type	Field and Description
`double`	`im` Imaginary part.
`double`	`re` Real part.

Constructor Summary

Constructors
Constructor and Description

Complex(double re, double im)

Constructors
Constructor and Description
`Complex(double re, double im)`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`Complex`	`add(Complex z)` Adds z to this and also returns this, to be chainable.
`Complex`	`add(double x)` Adds real x to this and also returns this, to be chainable.
`Angle`	`arg()` Returns polar angle.
`Complex`	`assign(Complex z)` Sets this from z and also returns this, to be chainable.
`Complex`	`clone()` Returns a new Complex object with the same fields.
`Complex`	`conjugate()` Conjugates this and also returns this, to be chainable.
`Complex`	`divide(Complex z)` Divides this by z and returns this, to be chainable.
`Complex`	`divide(double x)` Divides this by real x and also returns this, to be chainable.
`boolean`	`equals(java.lang.Object other)`
`static Complex`	`expi(Angle theta)` Get exp (i.theta) = cos (theta) + i.sin (theta).
`static Complex`	`expi(double theta)` Get exp (i.theta) = cos (theta) + i.sin (theta).
`int`	`hashCode()`
`double`	`mod()` Returns \|z\| = root sum of squares of real and imaginary parts.
`Complex`	`multiply(Complex z)` Multiplies this by z and also returns this, to be chainable.
`Complex`	`multiply(double x)` Multiplies this by real x and also returns this, to be chainable.
`Complex`	`subtract(Complex z)` Subtracts z from this and also returns this, to be chainable.
`Complex`	`subtract(double x)` Subtracts real x from this and also returns this, to be chainable.
`java.lang.String`	`toString()`

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

- Field Detail
  - re
```
public double re
```
    Real part.
  - im
```
public double im
```
    Imaginary part.
- Constructor Detail
  - Complex
```
public Complex(double re,
               double im)
```
- Method Detail
  - clone
```
public Complex clone()
```
    Returns a new Complex object with the same fields.
    
    Overrides:
    
    clone in class java.lang.Object
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
  - equals
```
public boolean equals(java.lang.Object other)
```
    Overrides:
    
    equals in class java.lang.Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object
  - mod
```
public double mod()
```
    Returns |z| = root sum of squares of real and imaginary parts.
  - arg
```
public Angle arg()
```
    Returns polar angle.
  - conjugate
```
public Complex conjugate()
```
    Conjugates this and also returns this, to be chainable.
  - assign
```
public Complex assign(Complex z)
```
    Sets this from z and also returns this, to be chainable.
  - add
```
public Complex add(Complex z)
```
    Adds z to this and also returns this, to be chainable.
  - add
```
public Complex add(double x)
```
    Adds real x to this and also returns this, to be chainable.
  - subtract
```
public Complex subtract(Complex z)
```
    Subtracts z from this and also returns this, to be chainable.
  - subtract
```
public Complex subtract(double x)
```
    Subtracts real x from this and also returns this, to be chainable.
  - multiply
```
public Complex multiply(Complex z)
```
    Multiplies this by z and also returns this, to be chainable.
  - multiply
```
public Complex multiply(double x)
```
    Multiplies this by real x and also returns this, to be chainable.
  - divide
```
public Complex divide(Complex z)
```
    Divides this by z and returns this, to be chainable.
  - divide
```
public Complex divide(double x)
```
    Divides this by real x and also returns this, to be chainable.
  - expi
```
public static Complex expi(double theta)
```
    Get exp (i.theta) = cos (theta) + i.sin (theta).
  - expi
```
public static Complex expi(Angle theta)
```
    Get exp (i.theta) = cos (theta) + i.sin (theta).

Class Complex

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

re

im

Constructor Detail

Complex

Method Detail

clone

toString

equals

hashCode

mod

arg

conjugate

assign

add

add

subtract

subtract

multiply

multiply

divide

divide

expi

expi