Class Cmplx

Object
   |
   +----Cmplx

public class Cmplx

extends Object

Version:

Oct. 1, 1999

Author:

Bary W Pollack

See Also:

Cmplx

i

the square root of -1

im

the "imaginary" portion of an imaginary number

re

the "real" portion of an imaginary number

Cmplx()

default constructor; creats 0+0i

Cmplx(double, double)

creates the complex number c+di

add(Cmplx, Cmplx)

adds two complex numbers

conj(Cmplx)

conjugates a complex number

div(Cmplx, Cmplx)

divides two complex numbers

div(Cmplx, double)

divides a complex number by a scalar

mag(Cmplx)

calculates the magnitude of a complex number

mpy(Cmplx, Cmplx)

multiplies two complex numbers

mpy(double, Cmplx)

multiplies a scalar times a complex number

sub(Cmplx, Cmplx)

subtracts one complex number from another

toString()

converts a complex number into its String representation

public static final Cmplx i

the square root of -1

See Also:

Cmplx

private double im

the "imaginary" portion of an imaginary number

See Also:

Cmplx

private double re

the "real" portion of an imaginary number

See Also:

Cmplx

 Cmplx()

default constructor; creats 0+0i

See Also:

Cmplx

 Cmplx(double re,
       double im)

creates the complex number c+di

Parameters:

re - the real portion of the complex number to be created

im - the imaginary portion of the complex number to be created

public static Cmplx add(Cmplx c,
                        Cmplx d)

adds two complex numbers

Parameters:

c - a complex number

d - another complex number

Returns:

the sum of two complex numbers

See Also:

sub

public static Cmplx conj(Cmplx c)

conjugates a complex number

Parameters:

c - a complex number

Returns:

the complex conjugate of the complex number provided

public static Cmplx div(Cmplx c,
                        Cmplx d)

divides two complex numbers

Parameters:

c - the numerator complex number

d - the denominator complex number

Returns:

a complex number that is the quotient of the two inputs

See Also:

mpy

public static Cmplx div(Cmplx c,
                        double d)

divides a complex number by a scalar

Parameters:

c - numerator complex number

d - double denominator

Returns:

the quotient a complex numbers when divided by a scalar

See Also:

mpy

public static double mag(Cmplx c)

calculates the magnitude of a complex number

Parameters:

c - the complex number

Returns:

the magnitude (a double) of the complex number provided as input

See Also:

Cmplx

public static Cmplx mpy(Cmplx c,
                        Cmplx d)

multiplies two complex numbers

Parameters:

c - one complex number

d - another complex number

Returns:

product of two complex numbers

See Also:

div

public static Cmplx mpy(double d,
                        Cmplx c)

multiplies a scalar times a complex number

Parameters:

d - a scalar double multiplier

c - a complex number

Returns:

product of a scalar and a complex number

See Also:

div

public static Cmplx sub(Cmplx c,
                        Cmplx d)

subtracts one complex number from another

Parameters:

c - the complex number from which the second is to be subtracted

d - the complex number to be subtracted

Returns:

difference of two complex numbers

See Also:

add

public java.lang.String toString()

converts a complex number into its String representation

Returns:

a String representation of the complex number in the form: ( a b )

Overrides:

toString in class Object

See Also:

Cmplx