SparseVector (Flink : ML : Lib 1.12.5 API)

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

所有已实现的接口:

Serializable
```
public class SparseVector
extends Vector
```
A sparse vector represented by an indices array and 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
`SparseVector()` Construct an empty sparse vector with undetermined size.
`SparseVector(int n)` Construct an empty sparse vector with determined size.
`SparseVector(int n, int[] indices, double[] values)` Construct a sparse vector with the given indices and values.
`SparseVector(int n, Map<Integer,Double> kv)` Construct a sparse vector with given indices to values map.

方法概要

所有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 val)` Add the i-th element of the vector by value "val".
`SparseVector`	`append(double d)` Create a new vector by adding an element to the end of the vector.
`SparseVector`	`clone()`
`double`	`dot(Vector other)` Compute the dot product with another vector.
`boolean`	`equals(Object o)`
`double`	`get(int i)` Get the i-th element of the vector.
`int[]`	`getIndices()` Get the indices array.
`double[]`	`getValues()` Get the values array.
`int`	`hashCode()`
`VectorIterator`	`iterator()` Get the iterator of the vector.
`Vector`	`minus(Vector vec)` Create a new vector by subtracting 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.
`int`	`numberOfValues()` Get number of values in this vector.
`DenseMatrix`	`outer()` Compute the outer product with itself.
`DenseMatrix`	`outer(SparseVector other)` Compute the outer product with another vector.
`Vector`	`plus(Vector vec)` Create a new vector by plussing another vector.
`SparseVector`	`prefix(double d)` Create a new vector by adding an element to the head of the vector.
`void`	`removeZeroValues()` Remove all zero values away from this vector.
`SparseVector`	`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 val)` Set the i-th element of the vector to value "val".
`void`	`setSize(int n)` Set the size of the vector.
`int`	`size()` Get the size of the vector.
`SparseVector`	`slice(int[] indices)` Slice the vector.
`void`	`standardizeEqual(double mean, double stdvar)` Standardize the vector.
`DenseVector`	`toDenseVector()` Convert to a dense vector.
`String`	`toString()`

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

- 构造器详细资料
  - SparseVector
```
public SparseVector()
```
    Construct an empty sparse vector with undetermined size.
  - SparseVector
```
public SparseVector(int n)
```
    Construct an empty sparse vector with determined size.
  - SparseVector
```
public SparseVector(int n,
                    int[] indices,
                    double[] values)
```
    Construct a sparse vector with the given indices and values.
    
    抛出:
    
    IllegalArgumentException - If size of indices array and values array differ.
    
    IllegalArgumentException - If n >= 0 and the indices are out of bound.
  - SparseVector
```
public SparseVector(int n,
                    Map<Integer,Double> kv)
```
    Construct a sparse vector with given indices to values map.
    
    抛出:
    
    IllegalArgumentException - If n >= 0 and the indices are out of bound.
- 方法详细资料
  - clone
```
public SparseVector clone()
```
    覆盖:
    
    clone 在类中 Object
  - prefix
```
public SparseVector 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 SparseVector 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
  - getIndices
```
public int[] getIndices()
```
    Get the indices array.
  - getValues
```
public double[] getValues()
```
    Get the values array.
  - 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
  - setSize
```
public void setSize(int n)
```
    Set the size of the vector.
  - numberOfValues
```
public int numberOfValues()
```
    Get number of values in this vector.
  - set
```
public void set(int i,
                double val)
```
    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 val)
```
    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
  - toString
```
public String toString()
```
    覆盖:
    
    toString 在类中 Object
  - 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
  - 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
  - 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
  - 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
  - slice
```
public SparseVector slice(int[] indices)
```
    从类复制的说明: Vector
    
    Slice the vector.
    
    指定者:
    
    slice 在类中 Vector
  - plus
```
public Vector plus(Vector vec)
```
    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 Vector minus(Vector vec)
```
    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 SparseVector 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
  - 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
  - removeZeroValues
```
public void removeZeroValues()
```
    Remove all zero values away from this vector.
  - dot
```
public double dot(Vector other)
```
    从类复制的说明: Vector
    
    Compute the dot product with another vector.
    
    指定者:
    
    dot 在类中 Vector
  - 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(SparseVector other)
```
    Compute the outer product with another vector.
    
    返回:
    
    The outer product matrix.
  - toDenseVector
```
public DenseVector toDenseVector()
```
    Convert to a dense 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
  - 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 SparseVector

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

SparseVector

SparseVector

SparseVector

SparseVector

方法详细资料

clone

prefix

append

getIndices

getValues

size

get

setSize

numberOfValues

set

add

toString

normL2

normL1

normInf

normL2Square

slice

plus

minus

scale

scaleEqual

removeZeroValues

dot

outer

outer

toDenseVector

standardizeEqual

normalizeEqual

equals

hashCode

iterator