java.lang.Object
- ai.libs.jaicore.math.linearalgebra.AbstractVector

All Implemented Interfaces:

org.api4.java.common.math.IVector

Direct Known Subclasses:

DenseDoubleVector, SparseDoubleVector
```
public abstract class AbstractVector
extends java.lang.Object
implements org.api4.java.common.math.IVector
```
An abstract vector class, implementing several common methods for different vector implementations. All vector implementations should subclass this class.

Constructor Summary

Constructors
Constructor Description

AbstractVector()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`org.api4.java.common.math.IVector`	`addConstantToCopy(double constant)`
`org.api4.java.common.math.IVector`	`addVectorToCopy(double[] vectorAsArray)`
`org.api4.java.common.math.IVector`	`addVectorToCopy(org.api4.java.common.math.IVector vector)`
`java.lang.Double`	`average()`
`org.api4.java.common.math.IVector`	`divideByConstantToCopy(double constant)`
`org.api4.java.common.math.IVector`	`divideByVectorPairwiseToCopy(double[] vectorAsArray)`
`org.api4.java.common.math.IVector`	`divideByVectorPairwiseToCopy(org.api4.java.common.math.IVector vector)`
`boolean`	`equals(java.lang.Object obj)`
`double`	`euclideanNorm()`
`int`	`hashCode()`
`void`	`incrementValueAt(int index, double amount)`
`protected double[]`	`kroneckerProductInternal(double[] vectorAsArray)`
`double`	`mean()`
`org.api4.java.common.math.IVector`	`multiplyByConstantToCopy(double constant)`
`org.api4.java.common.math.IVector`	`multiplyByVectorPairwiseToCopy(double[] vectorAsArray)`
`org.api4.java.common.math.IVector`	`multiplyByVectorPairwiseToCopy(org.api4.java.common.math.IVector vector)`
`void`	`squareRoot()`
`org.api4.java.common.math.IVector`	`squareRootToCopy()`
`double`	`standardDeviation()`
`org.api4.java.common.math.IVector`	`subtractConstantFromCopy(double constant)`
`org.api4.java.common.math.IVector`	`subtractVectorFromCopy(double[] vectorAsArray)`
`org.api4.java.common.math.IVector`	`subtractVectorFromCopy(org.api4.java.common.math.IVector vector)`
`double`	`sum()`
`abstract DenseDoubleVector`	`toDenseVector()`
`abstract SparseDoubleVector`	`toSparseVector()`
`java.lang.String`	`toString()`
`void`	`zeroAllDimensions()`

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

Methods inherited from interface org.api4.java.common.math.IVector
addConstant, addVector, addVector, asArray, divideByConstant, divideByVectorPairwise, divideByVectorPairwise, dotProduct, dotProduct, duplicate, fillRandomly, getValue, isSparse, kroneckerProduct, length, multiplyByConstant, multiplyByVectorPairwise, multiplyByVectorPairwise, normalize, setValue, stream, subtractConstant, subtractVector, subtractVector

- Constructor Detail
  - AbstractVector
```
public AbstractVector()
```
- Method Detail
  - squareRoot
```
public void squareRoot()
```
    Specified by:
    
    squareRoot in interface org.api4.java.common.math.IVector
  - squareRootToCopy
```
public org.api4.java.common.math.IVector squareRootToCopy()
```
    Specified by:
    
    squareRootToCopy in interface org.api4.java.common.math.IVector
  - incrementValueAt
```
public void incrementValueAt(int index,
                             double amount)
```
    Specified by:
    
    incrementValueAt in interface org.api4.java.common.math.IVector
  - sum
```
public double sum()
```
    Specified by:
    
    sum in interface org.api4.java.common.math.IVector
  - mean
```
public double mean()
```
    Specified by:
    
    mean in interface org.api4.java.common.math.IVector
  - standardDeviation
```
public double standardDeviation()
```
    Specified by:
    
    standardDeviation in interface org.api4.java.common.math.IVector
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
  - kroneckerProductInternal
```
protected double[] kroneckerProductInternal(double[] vectorAsArray)
```
  - zeroAllDimensions
```
public void zeroAllDimensions()
```
    Specified by:
    
    zeroAllDimensions in interface org.api4.java.common.math.IVector
  - euclideanNorm
```
public double euclideanNorm()
```
    Specified by:
    
    euclideanNorm in interface org.api4.java.common.math.IVector
  - addVectorToCopy
```
public org.api4.java.common.math.IVector addVectorToCopy(double[] vectorAsArray)
```
    Specified by:
    
    addVectorToCopy in interface org.api4.java.common.math.IVector
  - subtractVectorFromCopy
```
public org.api4.java.common.math.IVector subtractVectorFromCopy(double[] vectorAsArray)
```
    Specified by:
    
    subtractVectorFromCopy in interface org.api4.java.common.math.IVector
  - multiplyByVectorPairwiseToCopy
```
public org.api4.java.common.math.IVector multiplyByVectorPairwiseToCopy(double[] vectorAsArray)
```
    Specified by:
    
    multiplyByVectorPairwiseToCopy in interface org.api4.java.common.math.IVector
  - divideByVectorPairwiseToCopy
```
public org.api4.java.common.math.IVector divideByVectorPairwiseToCopy(double[] vectorAsArray)
```
    Specified by:
    
    divideByVectorPairwiseToCopy in interface org.api4.java.common.math.IVector
  - addConstantToCopy
```
public org.api4.java.common.math.IVector addConstantToCopy(double constant)
```
    Specified by:
    
    addConstantToCopy in interface org.api4.java.common.math.IVector
  - addVectorToCopy
```
public org.api4.java.common.math.IVector addVectorToCopy(org.api4.java.common.math.IVector vector)
```
    Specified by:
    
    addVectorToCopy in interface org.api4.java.common.math.IVector
  - subtractConstantFromCopy
```
public org.api4.java.common.math.IVector subtractConstantFromCopy(double constant)
```
    Specified by:
    
    subtractConstantFromCopy in interface org.api4.java.common.math.IVector
  - subtractVectorFromCopy
```
public org.api4.java.common.math.IVector subtractVectorFromCopy(org.api4.java.common.math.IVector vector)
```
    Specified by:
    
    subtractVectorFromCopy in interface org.api4.java.common.math.IVector
  - multiplyByVectorPairwiseToCopy
```
public org.api4.java.common.math.IVector multiplyByVectorPairwiseToCopy(org.api4.java.common.math.IVector vector)
```
    Specified by:
    
    multiplyByVectorPairwiseToCopy in interface org.api4.java.common.math.IVector
  - multiplyByConstantToCopy
```
public org.api4.java.common.math.IVector multiplyByConstantToCopy(double constant)
```
    Specified by:
    
    multiplyByConstantToCopy in interface org.api4.java.common.math.IVector
  - divideByVectorPairwiseToCopy
```
public org.api4.java.common.math.IVector divideByVectorPairwiseToCopy(org.api4.java.common.math.IVector vector)
```
    Specified by:
    
    divideByVectorPairwiseToCopy in interface org.api4.java.common.math.IVector
  - divideByConstantToCopy
```
public org.api4.java.common.math.IVector divideByConstantToCopy(double constant)
```
    Specified by:
    
    divideByConstantToCopy in interface org.api4.java.common.math.IVector
  - average
```
public java.lang.Double average()
```
    Specified by:
    
    average in interface org.api4.java.common.math.IVector
  - equals
```
public boolean equals(java.lang.Object obj)
```
    Overrides:
    
    equals in class java.lang.Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object
  - toDenseVector
```
public abstract DenseDoubleVector toDenseVector()
```
  - toSparseVector
```
public abstract SparseDoubleVector toSparseVector()
```

Class AbstractVector

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface org.api4.java.common.math.IVector

Constructor Detail

AbstractVector

Method Detail

squareRoot

squareRootToCopy

incrementValueAt

sum

mean

standardDeviation

toString

kroneckerProductInternal

zeroAllDimensions

euclideanNorm

addVectorToCopy

subtractVectorFromCopy

multiplyByVectorPairwiseToCopy

divideByVectorPairwiseToCopy

addConstantToCopy

addVectorToCopy

subtractConstantFromCopy

subtractVectorFromCopy

multiplyByVectorPairwiseToCopy

multiplyByConstantToCopy

divideByVectorPairwiseToCopy

divideByConstantToCopy

average

equals

hashCode

toDenseVector

toSparseVector