java.lang.Object
- org.openscience.cdk.math.Vector

```
public class Vector
extends Object
```
This class handles vectors.

Belongs to CDK module:
qm

Field Summary

Fields
Modifier and Type	Field	Description
`static Vector`	`EX`	Unary vector in 3 dimensional space
`static Vector`	`EY`	Unary vector in 3 dimensional space
`static Vector`	`EZ`	Unary vector in 3 dimensional space
`static Vector`	`NULLVECTOR`	Null vector in 3 dimensional space
`int`	`size`	The size of this vector
`double[]`	`vector`	The content of this vector

Constructor Summary

Constructors
Constructor	Description
`Vector(double[] array)`	Constructs a vector with the content of a array
`Vector(int size)`	Constructs a Vector with "size" elements
`Vector(javax.vecmath.Tuple3d t)`	Constructs a Vector with a Tuple3d, Vector3d or Point3d

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Vector`	`add(Vector b)`	Addition from two vectors
`Vector`	`cross(Vector b)`	Cross product, only well definited in R^3
`double`	`dot(Vector b)`	Multiplikation from two vectors
`Vector`	`duplicate()`	Copy a vector
`int`	`getSize()`	Returns the size of this vector
`double`	`length()`	Return the length from this vector
`Vector`	`mul(double b)`	Multiplikation from a vectors with an double
`Vector`	`negate()`	Negates this vector
`Vector`	`normalize()`	Normalize this vector
`Vector`	`sub(Vector b)`	Subtraktion from two vectors
`String`	`toString()`	Return a vector as a string

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - NULLVECTOR
```
public static final Vector NULLVECTOR
```
    Null vector in 3 dimensional space
  - EX
```
public static final Vector EX
```
    Unary vector in 3 dimensional space
  - EY
```
public static final Vector EY
```
    Unary vector in 3 dimensional space
  - EZ
```
public static final Vector EZ
```
    Unary vector in 3 dimensional space
  - vector
```
public final double[] vector
```
    The content of this vector
  - size
```
public final int size
```
    The size of this vector
- Constructor Detail
  - Vector
```
public Vector(int size)
```
    Constructs a Vector with "size" elements
  - Vector
```
public Vector(double[] array)
```
    Constructs a vector with the content of a array
  - Vector
```
public Vector(javax.vecmath.Tuple3d t)
```
    Constructs a Vector with a Tuple3d, Vector3d or Point3d
- Method Detail
  - getSize
```
public int getSize()
```
    Returns the size of this vector
  - add
```
public Vector add(Vector b)
```
    Addition from two vectors
  - sub
```
public Vector sub(Vector b)
```
    Subtraktion from two vectors
  - mul
```
public Vector mul(double b)
```
    Multiplikation from a vectors with an double
  - dot
```
public double dot(Vector b)
```
    Multiplikation from two vectors
  - cross
```
public Vector cross(Vector b)
```
    Cross product, only well definited in R^3
  - length
```
public double length()
```
    Return the length from this vector
  - normalize
```
public Vector normalize()
```
    Normalize this vector
  - negate
```
public Vector negate()
```
    Negates this vector
  - duplicate
```
public Vector duplicate()
```
    Copy a vector
  - toString
```
public String toString()
```
    Return a vector as a string
    
    Overrides:
    
    toString in class Object

Class Vector

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

NULLVECTOR

EX

EY

EZ

vector

size

Constructor Detail

Vector

Vector

Vector

Method Detail

getSize

add

sub

mul

dot

cross

length

normalize

negate

duplicate

toString