Module id.matcv

Package id.mathcalc

Class Vector3d

Object

Vector3d

public class Vector3d
extends Object

Vector which contains three doubles.

Vector itself is immutable all public fields are final.

All operations are immutable and return new copy of the vector.

Field Summary

Fields

Modifier and Type	Field	Description
final double	n1
final double	n2
final double	n3

Constructor Summary

Constructors

Constructor	Description
Vector3d()
Vector3d(double n1, double n2, double n3)
Vector3d(Vector3d vec)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
int	hashCode()
Vector3d	mul(double scalar)	Multiply vector with the scalar
double	norm()	L2 norm, equals to the square root of the dot product of vector with itself.
Vector3d	normalize()	Normalizes the vector, i.e.
Vector3d	sub(Vector3d vector)	Multiply vector with the scalar
String	toString()

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

n1

public final double n1

n2

public final double n2

n3

public final double n3

Constructor Details

Vector3d

public Vector3d()

Vector3d

public Vector3d(Vector3d vec)

Vector3d

public Vector3d(double n1,
 double n2,
 double n3)

Method Details

norm

public double norm()

L2 norm, equals to the square root of the dot product of vector with itself.

normalize

public Vector3d normalize()

Normalizes the vector, i.e. divides it by its own norm

mul

public Vector3d mul(double scalar)

Multiply vector with the scalar

sub

public Vector3d sub(Vector3d vector)

Multiply vector with the scalar

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object