DenseVector (Flink : ML : Lib 1.12.5 API)

java.lang.Object
- org.apache.flink.ml.common.linalg.Vector
- - org.apache.flink.ml.common.linalg.DenseVector

所有已实现的接口:

Serializable
```
public class DenseVector
extends Vector
```
A dense vector represented by a values array.

另请参阅:

序列化表格

构造器概要

构造器
构造器和说明
`DenseVector()` Create a zero size vector.
`DenseVector(double[] data)` Create a dense vector with the user provided data.
`DenseVector(int n)` Create a size n vector with all elements zero.

方法概要

所有方法静态方法实例方法具体方法
限定符和类型	方法和说明
`void`	`add(int i, double d)` Add the i-th element of the vector by value "val".
`DenseVector`	`append(double d)` Create a new vector by adding an element to the end of the vector.
`DenseVector`	`clone()`
`double`	`dot(Vector vec)` Compute the dot product with another vector.
`boolean`	`equals(Object o)`
`double`	`get(int i)` Get the i-th element of the vector.
`double[]`	`getData()` Get the data array.
`int`	`hashCode()`
`VectorIterator`	`iterator()` Get the iterator of the vector.
`DenseVector`	`minus(Vector other)` Create a new vector by subtracting another vector.
`void`	`minusEqual(Vector other)` Minus with another vector.
`void`	`normalizeEqual(double p)` Normalize the vector.
`double`	`normInf()` Return the Inf norm of the vector.
`double`	`normL1()` Return the L1 norm of the vector.
`double`	`normL2()` Return the L2 norm of the vector.
`double`	`normL2Square()` Return the square of L2 norm of the vector.
`static DenseVector`	`ones(int n)` Create a dense vector with all elements one.
`DenseMatrix`	`outer()` Compute the outer product with itself.
`DenseMatrix`	`outer(DenseVector other)` Compute the outer product with another vector.
`DenseVector`	`plus(Vector other)` Create a new vector by plussing another vector.
`void`	`plusEqual(Vector other)` Plus with another vector.
`void`	`plusScaleEqual(Vector other, double alpha)` Plus with another vector scaled by "alpha".
`DenseVector`	`prefix(double d)` Create a new vector by adding an element to the head of the vector.
`static DenseVector`	`rand(int n)` Create a dense vector with random values uniformly distributed in the range of [0.0, 1.0].
`DenseVector`	`scale(double d)` Scale the vector by value "v" and create a new vector to store the result.
`void`	`scaleEqual(double d)` Scale the vector by value "v".
`void`	`set(int i, double d)` Set the i-th element of the vector to value "val".
`void`	`setData(double[] data)` Set the data array.
`void`	`setEqual(DenseVector other)` Set the data of the vector the same as those of another vector.
`int`	`size()` Get the size of the vector.
`DenseVector`	`slice(int[] indices)` Slice the vector.
`void`	`standardizeEqual(double mean, double stdvar)` Standardize the vector.
`String`	`toString()`
`static DenseVector`	`zeros(int n)` Create a dense vector with all elements zero.

从类继承的方法 java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait

- 构造器详细资料
  - DenseVector
```
public DenseVector()
```
    Create a zero size vector.
  - DenseVector
```
public DenseVector(int n)
```
    Create a size n vector with all elements zero.
    
    参数:
    
    n - Size of the vector.
  - DenseVector
```
public DenseVector(double[] data)
```
    Create a dense vector with the user provided data.
    
    参数:
    
    data - The vector data.
- 方法详细资料
  - getData
```
public double[] getData()
```
    Get the data array.
  - setData
```
public void setData(double[] data)
```
    Set the data array.
  - ones
```
public static DenseVector ones(int n)
```
    Create a dense vector with all elements one.
    
    参数:
    
    n - Size of the vector.
    
    返回:
    
    The newly created dense vector.
  - zeros
```
public static DenseVector zeros(int n)
```
    Create a dense vector with all elements zero.
    
    参数:
    
    n - Size of the vector.
    
    返回:
    
    The newly created dense vector.
  - rand
```
public static DenseVector rand(int n)
```
    Create a dense vector with random values uniformly distributed in the range of [0.0, 1.0].
    
    参数:
    
    n - Size of the vector.
    
    返回:
    
    The newly created dense vector.
  - clone
```
public DenseVector clone()
```
    覆盖:
    
    clone 在类中 Object
  - toString
```
public String toString()
```
    覆盖:
    
    toString 在类中 Object
  - size
```
public int size()
```
    从类复制的说明: Vector
    
    Get the size of the vector.
    
    指定者:
    
    size 在类中 Vector
  - get
```
public double get(int i)
```
    从类复制的说明: Vector
    
    Get the i-th element of the vector.
    
    指定者:
    
    get 在类中 Vector
  - set
```
public void set(int i,
                double d)
```
    从类复制的说明: Vector
    
    Set the i-th element of the vector to value "val".
    
    指定者:
    
    set 在类中 Vector
  - add
```
public void add(int i,
                double d)
```
    从类复制的说明: Vector
    
    Add the i-th element of the vector by value "val".
    
    指定者:
    
    add 在类中 Vector
  - normL1
```
public double normL1()
```
    从类复制的说明: Vector
    
    Return the L1 norm of the vector.
    
    指定者:
    
    normL1 在类中 Vector
  - normL2
```
public double normL2()
```
    从类复制的说明: Vector
    
    Return the L2 norm of the vector.
    
    指定者:
    
    normL2 在类中 Vector
  - normL2Square
```
public double normL2Square()
```
    从类复制的说明: Vector
    
    Return the square of L2 norm of the vector.
    
    指定者:
    
    normL2Square 在类中 Vector
  - normInf
```
public double normInf()
```
    从类复制的说明: Vector
    
    Return the Inf norm of the vector.
    
    指定者:
    
    normInf 在类中 Vector
  - slice
```
public DenseVector slice(int[] indices)
```
    从类复制的说明: Vector
    
    Slice the vector.
    
    指定者:
    
    slice 在类中 Vector
  - prefix
```
public DenseVector prefix(double d)
```
    从类复制的说明: Vector
    
    Create a new vector by adding an element to the head of the vector.
    
    指定者:
    
    prefix 在类中 Vector
  - append
```
public DenseVector append(double d)
```
    从类复制的说明: Vector
    
    Create a new vector by adding an element to the end of the vector.
    
    指定者:
    
    append 在类中 Vector
  - scaleEqual
```
public void scaleEqual(double d)
```
    从类复制的说明: Vector
    
    Scale the vector by value "v".
    
    指定者:
    
    scaleEqual 在类中 Vector
  - plus
```
public DenseVector plus(Vector other)
```
    从类复制的说明: Vector
    
    Create a new vector by plussing another vector.
    
    指定者:
    
    plus 在类中 Vector
  - minus
```
public DenseVector minus(Vector other)
```
    从类复制的说明: Vector
    
    Create a new vector by subtracting another vector.
    
    指定者:
    
    minus 在类中 Vector
  - scale
```
public DenseVector scale(double d)
```
    从类复制的说明: Vector
    
    Scale the vector by value "v" and create a new vector to store the result.
    
    指定者:
    
    scale 在类中 Vector
  - dot
```
public double dot(Vector vec)
```
    从类复制的说明: Vector
    
    Compute the dot product with another vector.
    
    指定者:
    
    dot 在类中 Vector
  - standardizeEqual
```
public void standardizeEqual(double mean,
                             double stdvar)
```
    从类复制的说明: Vector
    
    Standardize the vector.
    
    指定者:
    
    standardizeEqual 在类中 Vector
  - normalizeEqual
```
public void normalizeEqual(double p)
```
    从类复制的说明: Vector
    
    Normalize the vector.
    
    指定者:
    
    normalizeEqual 在类中 Vector
  - setEqual
```
public void setEqual(DenseVector other)
```
    Set the data of the vector the same as those of another vector.
  - plusEqual
```
public void plusEqual(Vector other)
```
    Plus with another vector.
  - minusEqual
```
public void minusEqual(Vector other)
```
    Minus with another vector.
  - plusScaleEqual
```
public void plusScaleEqual(Vector other,
                           double alpha)
```
    Plus with another vector scaled by "alpha".
  - outer
```
public DenseMatrix outer()
```
    从类复制的说明: Vector
    
    Compute the outer product with itself.
    
    指定者:
    
    outer 在类中 Vector
    
    返回:
    
    The outer product matrix.
  - outer
```
public DenseMatrix outer(DenseVector other)
```
    Compute the outer product with another vector.
    
    返回:
    
    The outer product matrix.
  - equals
```
public boolean equals(Object o)
```
    覆盖:
    
    equals 在类中 Object
  - hashCode
```
public int hashCode()
```
    覆盖:
    
    hashCode 在类中 Object
  - iterator
```
public VectorIterator iterator()
```
    从类复制的说明: Vector
    
    Get the iterator of the vector.
    
    指定者:
    
    iterator 在类中 Vector

类 DenseVector

构造器概要

方法概要

从类继承的方法 java.lang.Object

构造器详细资料

DenseVector

DenseVector

DenseVector

方法详细资料

getData

setData

ones

zeros

rand

clone

toString

size

get

set

add

normL1

normL2

normL2Square

normInf

slice

prefix

append

scaleEqual

plus

minus

scale

dot

standardizeEqual

normalizeEqual

setEqual

plusEqual

minusEqual

plusScaleEqual

outer

outer

equals

hashCode

iterator