Package org.ejml.ops

Class ComplexMath_F32

java.lang.Object

org.ejml.ops.ComplexMath_F32

public class ComplexMath_F32
extends java.lang.Object

Basic math operations on complex numbers.

Constructor Summary

Constructors

Constructor	Description
ComplexMath_F32()

Method Summary

Modifier and Type	Method	Description
static void	conj(Complex_F32 input, Complex_F32 conj)	Complex conjugate
static void	convert(Complex_F32 input, ComplexPolar_F32 output)	Converts a complex number into polar notation.
static void	convert(ComplexPolar_F32 input, Complex_F32 output)	Converts a complex number in polar notation into standard notation.
static void	divide(Complex_F32 a, Complex_F32 b, Complex_F32 result)	Division: result = a / b
static void	divide(ComplexPolar_F32 a, ComplexPolar_F32 b, ComplexPolar_F32 result)	Division in polar notation.
static void	minus(Complex_F32 a, Complex_F32 b, Complex_F32 result)	Subtraction: result = a - b
static void	multiply(Complex_F32 a, Complex_F32 b, Complex_F32 result)	Multiplication: result = a * b
static void	multiply(ComplexPolar_F32 a, ComplexPolar_F32 b, ComplexPolar_F32 result)	Division in polar notation.
static void	plus(Complex_F32 a, Complex_F32 b, Complex_F32 result)	Addition: result = a + b
static void	pow(ComplexPolar_F32 a, int N, ComplexPolar_F32 result)	Computes the power of a complex number in polar notation
static void	root(Complex_F32 a, int N, int k, Complex_F32 result)	Computes the Nth root of a complex number.
static void	root(ComplexPolar_F32 a, int N, int k, ComplexPolar_F32 result)	Computes the Nth root of a complex number in polar notation.
static void	sqrt(Complex_F32 input, Complex_F32 root)	Computes the square root of the complex number.

Methods inherited from class java.lang.Object

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

Constructor Detail

ComplexMath_F32

public ComplexMath_F32()

Method Detail

conj

public static void conj(Complex_F32 input,
                        Complex_F32 conj)

Complex conjugate

Parameters:

input - Input complex number

conj - Complex conjugate of the input number

plus

public static void plus(Complex_F32 a,
                        Complex_F32 b,
                        Complex_F32 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(Complex_F32 a,
                         Complex_F32 b,
                         Complex_F32 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(Complex_F32 a,
                            Complex_F32 b,
                            Complex_F32 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(Complex_F32 a,
                          Complex_F32 b,
                          Complex_F32 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(Complex_F32 input,
                           ComplexPolar_F32 output)

Converts a complex number into polar notation.

Parameters:

input - Standard notation

output - Polar notation

convert

public static void convert(ComplexPolar_F32 input,
                           Complex_F32 output)

Converts a complex number in polar notation into standard notation.

Parameters:

input - Standard notation

output - Polar notation

multiply

public static void multiply(ComplexPolar_F32 a,
                            ComplexPolar_F32 b,
                            ComplexPolar_F32 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(ComplexPolar_F32 a,
                          ComplexPolar_F32 b,
                          ComplexPolar_F32 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(ComplexPolar_F32 a,
                       int N,
                       ComplexPolar_F32 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(ComplexPolar_F32 a,
                        int N,
                        int k,
                        ComplexPolar_F32 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(Complex_F32 a,
                        int N,
                        int k,
                        Complex_F32 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(Complex_F32 input,
                        Complex_F32 root)

Computes the square root of the complex number.

Parameters:

input - Input complex number.

root - Output. The square root of the input