Numbers
Class ComplexNumber

java.lang.Object
  Numbers.ComplexNumber

public class ComplexNumber
extends java.lang.Object

Models a complex number, in the form "a + bi".

Author:

Chris Hamner

Field Summary

private double	imag imaginary part of the complex number
private double	real real part of the complex number

Constructor Summary

ComplexNumber(ComplexNumber cn)
Constructs a complex number based on another complex number.

ComplexNumber(double a, double b)
Constructs a new complex number.

Method Summary

ComplexNumber	add(ComplexNumber cn1) Adds 2 complex numbers.
ComplexNumber	divide(ComplexNumber cn1) Divides 2 complex numbers.
double	getImag() Returns the imaginary part of the complex number.
double	getReal() Returns the real part of the complex number.
ComplexNumber	multiply(ComplexNumber cn1) Multiplies 2 complex numbers.
void	multiply(double x) Multiplies a complex number by a regular number.
void	setImag(double a) Sets the imaginary part of the complex number.
void	setReal(double a) Sets the real part of the complex number.
void	squareRoot() Takes the square root of a complex number.
ComplexNumber	subtract(ComplexNumber cn1) Subtracts 2 complex numbers.
java.lang.String	toString() A string which returns the real and imaginary parts of the complex number.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

real

private double real

real part of the complex number

imag

private double imag

imaginary part of the complex number

Constructor Detail

ComplexNumber

public ComplexNumber(double a,
                     double b)

Constructs a new complex number.

Parameters:

a - - The real part of the complex number.

b - - The imaginary part of the complex number.

ComplexNumber

public ComplexNumber(ComplexNumber cn)

Constructs a complex number based on another complex number.

Parameters:

cn - - The other complex number.

Method Detail

setReal

public void setReal(double a)

Sets the real part of the complex number.

Parameters:

a - - value for real part.

getReal

public double getReal()

Returns the real part of the complex number.

setImag

public void setImag(double a)

Sets the imaginary part of the complex number.

Parameters:

a - - value for imaginary part.

getImag

public double getImag()

Returns the imaginary part of the complex number.

multiply

public ComplexNumber multiply(ComplexNumber cn1)

Multiplies 2 complex numbers.

Parameters:

cn1 - - the second complex number.

Returns:

- the solution.

divide

public ComplexNumber divide(ComplexNumber cn1)

Divides 2 complex numbers.

Parameters:

cn1 - - the second complex number.

Returns:

- the solution.

subtract

public ComplexNumber subtract(ComplexNumber cn1)

Subtracts 2 complex numbers.

Parameters:

cn1 - - the second complex number.

Returns:

- the solution.

add

public ComplexNumber add(ComplexNumber cn1)

Adds 2 complex numbers.

Parameters:

cn1 - - the second complex number.

Returns:

- the solution.

multiply

public void multiply(double x)

Multiplies a complex number by a regular number.

Parameters:

x - - regular number by which the complex number will be multiplied.

squareRoot

public void squareRoot()

Takes the square root of a complex number. Tom wrote this method, I did not. Thank you Tom. All credit goes to Tom. Did I mention that Tom wrote this method? Thanks Tom.

toString

public java.lang.String toString()

A string which returns the real and imaginary parts of the complex number.

Overrides:

toString in class java.lang.Object