org.ejml.ops

Class ComplexMath64F

java.lang.Object

org.ejml.ops.ComplexMath64F

public class ComplexMath64F
extends java.lang.Object

Basic math operations on complex numbers.

Constructor Summary

Constructors

Constructor and Description
ComplexMath64F()

Method Summary

Modifier and Type	Method and Description
static void	conj(Complex64F input, Complex64F conj) Complex conjugate
static void	convert(Complex64F input, ComplexPolar64F output) Converts a complex number into polar notation.
static void	convert(ComplexPolar64F input, Complex64F output) Converts a complex number in polar notation into standard notation.
static void	divide(Complex64F a, Complex64F b, Complex64F result) Division: result = a / b
static void	divide(ComplexPolar64F a, ComplexPolar64F b, ComplexPolar64F result) Division in polar notation.
static void	minus(Complex64F a, Complex64F b, Complex64F result) Subtraction: result = a - b
static void	multiply(Complex64F a, Complex64F b, Complex64F result) Multiplication: result = a * b
static void	multiply(ComplexPolar64F a, ComplexPolar64F b, ComplexPolar64F result) Division in polar notation.
static void	plus(Complex64F a, Complex64F b, Complex64F result) Addition: result = a + b
static void	pow(ComplexPolar64F a, int N, ComplexPolar64F result) Computes the power of a complex number in polar notation
static void	root(Complex64F a, int N, int k, Complex64F result) Computes the Nth root of a complex number.
static void	root(ComplexPolar64F a, int N, int k, ComplexPolar64F result) Computes the Nth root of a complex number in polar notation.
static void	sqrt(Complex64F input, Complex64F root) Computes the square root of the complex number.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ComplexMath64F

public ComplexMath64F()

Method Detail

conj

public static void conj(Complex64F input,
                        Complex64F conj)

Complex conjugate

Parameters:

input - Input complex number

conj - Complex conjugate of the input number

plus

public static void plus(Complex64F a,
                        Complex64F b,
                        Complex64F result)

Addition: result = a + b

Parameters:

a - Complex number. Not modified.

b - Complex number. Not modified.

result - Storage for output

minus

public static void minus(Complex64F a,
                         Complex64F b,
                         Complex64F result)

Subtraction: result = a - b

Parameters:

a - Complex number. Not modified.

b - Complex number. Not modified.

result - Storage for output

multiply

public static void multiply(Complex64F a,
                            Complex64F b,
                            Complex64F result)

Multiplication: result = a * b

Parameters:

a - Complex number. Not modified.

b - Complex number. Not modified.

result - Storage for output

divide

public static void divide(Complex64F a,
                          Complex64F b,
                          Complex64F result)

Division: result = a / b

Parameters:

a - Complex number. Not modified.

b - Complex number. Not modified.

result - Storage for output

convert

public static void convert(Complex64F input,
                           ComplexPolar64F output)

Converts a complex number into polar notation.

Parameters:

input - Standard notation

output - Polar notation

convert

public static void convert(ComplexPolar64F input,
                           Complex64F output)

Converts a complex number in polar notation into standard notation.

Parameters:

input - Standard notation

output - Polar notation

multiply

public static void multiply(ComplexPolar64F a,
                            ComplexPolar64F b,
                            ComplexPolar64F result)

Division in polar notation.

Parameters:

a - Complex number in polar notation. Not modified.

b - Complex number in polar notation. Not modified.

result - Storage for output.

divide

public static void divide(ComplexPolar64F a,
                          ComplexPolar64F b,
                          ComplexPolar64F result)

Division in polar notation.

Parameters:

a - Complex number in polar notation. Not modified.

b - Complex number in polar notation. Not modified.

result - Storage for output.

pow

public static void pow(ComplexPolar64F a,
                       int N,
                       ComplexPolar64F result)

Computes the power of a complex number in polar notation

Parameters:

a - Complex number

N - Power it is to be multiplied by

result - Result

root

public static void root(ComplexPolar64F a,
                        int N,
                        int k,
                        ComplexPolar64F result)

Computes the N^th root of a complex number in polar notation. There are N distinct N^th roots.

Parameters:

a - Complex number

N - The root's magnitude

k - Specifies which root. 0 ≤ k < N

result - Computed root

root

public static void root(Complex64F a,
                        int N,
                        int k,
                        Complex64F result)

Computes the N^th root of a complex number. There are N distinct N^th roots.

Parameters:

a - Complex number

N - The root's magnitude

k - Specifies which root. 0 ≤ k < N

result - Computed root

sqrt

public static void sqrt(Complex64F input,
                        Complex64F root)

Computes the square root of the complex number.

Parameters:

input - Input complex number.

root - Output. The square root of the input