org.nd4j.linalg.util

Class ComplexUtil

java.lang.Object

org.nd4j.linalg.util.ComplexUtil

public class ComplexUtil
extends Object

Author:

Adam Gibson

Constructor Summary

Constructors

Constructor and Description
ComplexUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static IComplexNumber	abs(IComplexNumber num) Return the absolute value of the given complex number
static IComplexDouble	exp(IComplexDouble d) Returns the exp of a complex number: Let r be the realComponent component and i be the imaginary Let ret be the complex number returned ret -> exp(r) * cos(i), exp(r) * sin(i) where the first number is the realComponent component and the second number is the imaginary component
static IComplexFloat	exp(IComplexFloat d) Returns the exp of a complex number: Let r be the realComponent component and i be the imaginary Let ret be the complex number returned ret -> exp(r) * cos(i), exp(r) * sin(i) where the first number is the realComponent component and the second number is the imaginary component
static IComplexNumber	exp(IComplexNumber d) Returns the exp of a complex number: Let r be the realComponent component and i be the imaginary Let ret be the complex number returned ret -> exp(r) * cos(i), exp(r) * sin(i) where the first number is the realComponent component and the second number is the imaginary component
static IComplexNumber	floor(IComplexNumber num) Return the log value of the given complex number
static IComplexNumber	log(IComplexNumber num) Return the log value of the given complex number
static IComplexNumber	neg(IComplexNumber num) Return the log value of the given complex number
static IComplexNumber	pow(IComplexNumber num, double power) Raise a complex number to a power
static IComplexNumber	pow(IComplexNumber num, IComplexNumber power) Raise a complex number to a power
static IComplexNumber	round(IComplexNumber num)
static IComplexNumber	sqrt(IComplexNumber num) Return the absolute value of the given complex number
static IComplexNumber	tanh(IComplexNumber num) Return the tanh of a complex number

Methods inherited from class java.lang.Object

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

Constructor Detail

ComplexUtil

public ComplexUtil()

Method Detail

floor

public static IComplexNumber floor(IComplexNumber num)

Return the log value of the given complex number

Parameters:

num - the number to getScalar the absolute value for

Returns:

the absolute value of this complex number

neg

public static IComplexNumber neg(IComplexNumber num)

Return the log value of the given complex number

Parameters:

num - the number to getScalar the absolute value for

Returns:

the absolute value of this complex number

log

public static IComplexNumber log(IComplexNumber num)

Return the log value of the given complex number

Parameters:

num - the number to getScalar the absolute value for

Returns:

the absolute value of this complex number

sqrt

public static IComplexNumber sqrt(IComplexNumber num)

Return the absolute value of the given complex number

Parameters:

num - the number to getScalar the absolute value for

Returns:

the absolute value of this complex number

abs

public static IComplexNumber abs(IComplexNumber num)

Return the absolute value of the given complex number

Parameters:

num - the number to getScalar the absolute value for

Returns:

the absolute value of this complex number

round

public static IComplexNumber round(IComplexNumber num)

pow

public static IComplexNumber pow(IComplexNumber num,
                 IComplexNumber power)

Raise a complex number to a power

Parameters:

num - the number to raise

power - the power to raise to

Returns:

the number raised to a power

pow

public static IComplexNumber pow(IComplexNumber num,
                 double power)

Raise a complex number to a power

Parameters:

num - the number to raise

power - the power to raise to

Returns:

the number raised to a power

tanh

public static IComplexNumber tanh(IComplexNumber num)

Return the tanh of a complex number

Parameters:

num - the tanh of a complex number

Returns:

the tanh of a complex number

exp

public static IComplexNumber exp(IComplexNumber d)

Returns the exp of a complex number: Let r be the realComponent component and i be the imaginary Let ret be the complex number returned ret -> exp(r) * cos(i), exp(r) * sin(i) where the first number is the realComponent component and the second number is the imaginary component

Parameters:

d - the number to getFromOrigin the exp of

Returns:

the exponential of this complex number

exp

public static IComplexDouble exp(IComplexDouble d)

Returns the exp of a complex number: Let r be the realComponent component and i be the imaginary Let ret be the complex number returned ret -> exp(r) * cos(i), exp(r) * sin(i) where the first number is the realComponent component and the second number is the imaginary component

Parameters:

d - the number to getFromOrigin the exp of

Returns:

the exponential of this complex number

exp

public static IComplexFloat exp(IComplexFloat d)

Returns the exp of a complex number: Let r be the realComponent component and i be the imaginary Let ret be the complex number returned ret -> exp(r) * cos(i), exp(r) * sin(i) where the first number is the realComponent component and the second number is the imaginary component

Parameters:

d - the number to getFromOrigin the exp of

Returns:

the exponential of this complex number