RepeatedElementVector (Vectorz 0.62.0 API)

java.lang.Object
- mikera.arrayz.impl.AbstractArray<Double>
- - mikera.vectorz.AVector
  - - mikera.vectorz.impl.ASizedVector
    - - mikera.vectorz.impl.RepeatedElementVector

All Implemented Interfaces:

Serializable, Cloneable, Comparable<AVector>, Iterable<Double>, INDArray, IVector
```
public final class RepeatedElementVector
extends ASizedVector
```
An immutable vector that has the same value for elements.

Author:

Mike

See Also:

Serialized Form

Field Summary
- Fields inherited from class mikera.vectorz.impl.ASizedVector
  length

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`AVector`	`absCopy()` Returns a copy of the array with the abs operator applied to each element
`AVector`	`addCopy(AVector v)` Adds a vector element-wise to this vector, returning a new vector.
`AVector`	`addCopy(double v)` Creates a new array equal to this array with a constant value added to every element
`void`	`addToArray(double[] data, int offset)` Adds this vector to a double[] array, starting at the specified offset.
`AVector`	`applyOpCopy(Op op)` Applies a unary operator to all elements of the array (creating a new array)
`static RepeatedElementVector`	`create(int length, double value)`
`double`	`dotProduct(AVector v)` Returns the dot product of this vector with another vector The vectors must have the same length: if not the result is undefined
`double`	`dotProduct(double[] data, int offset)` Fast dot product with a double[] array.
`double`	`dotProduct(double[] data, int offset, int stride)` Fast dot product with a double[] array and a stride.
`double`	`elementAbsPowSum(double p)` Returns the sum of the absolute values of all the elements raised to a specified power
`double`	`elementMax()` Returns the maximum element value in this array.
`double`	`elementMin()` Returns the maximum element value in this array.
`double`	`elementPowSum(double p)` Returns the sum of all the elements raised to a specified power
`double`	`elementProduct()` Returns the product of all elements in the array.
`boolean`	`elementsEqual(double value)` Returns true if all elements are equal to a specific value
`double`	`elementSquaredSum()` Returns the sum of squared elements in this array.
`double`	`elementSum()` Returns the sum of all elements in a vector
`boolean`	`equals(AVector v)`
`boolean`	`equalsArray(double[] data, int offset)` Returns true if this vector exactly matches the elements in double[] array, starting from the specified offset
`RepeatedElementVector`	`exactClone()` Returns an exact clone of this vector, i.e.
`double`	`get(int i)` Returns the double value at the specified position in a 1D vector
`boolean`	`hasUncountable()` Returns true if any element is this array is NaN or infinite
`AVector`	`innerProduct(AMatrix m)` Computes the inner product of this vector with a matrix
`boolean`	`isElementConstrained()` Returns true if this array has some constraints on element values
`boolean`	`isFullyMutable()` Returns true if this vector is fully mutable, i.e.
`boolean`	`isMutable()` Returns true if this vector is mutable.
`boolean`	`isRangeZero(int start, int length)` Returns true if a sub-vector range is completely zero.
`boolean`	`isZero()` Returns true if this vector is a zero vector (all components zero)
`Iterator<Double>`	`iterator()`
`AVector`	`multiplyCopy(AVector v)` Multiplies a vector element-wise with this vector, returning a new vector.
`AVector`	`multiplyCopy(double d)` Returns a copy of the array with all elements multiplied by a single constant value
`AVector`	`negateCopy()` Negates all elements in the array, returning a new array
`long`	`nonZeroCount()` Returns the number of non-zero elements in the array.
`AVector`	`reciprocalCopy()` Returns a new array where every element is the reciprocal of the corresponding element in this array
`AVector`	`select(int... order)` Selects a subset of indices from a vector
`void`	`set(int i, double value)` Sets a value at a given position in a mutable 1D array
`AVector`	`subVector(int offset, int length)` Obtains a sub-vector view that refers to this vector.
`AVector`	`tryEfficientJoin(AVector a)` Attempts to perform an efficient join with a second vector.
`double`	`unsafeGet(int i)`

Methods inherited from class mikera.vectorz.impl.ASizedVector
checkIndex, checkLength, checkRange, checkSameLength, checkSameLength, elementCount, equalsArray, get, getShape, getShapeClone, isSameShape, length, sliceCount

Methods inherited from class mikera.vectorz.AVector
abs, add, add, add, add, add, add, add, add, add, addAt, addAt, addCopy, addInnerProduct, addInnerProduct, addInnerProduct, addMultiple, addMultiple, addMultiple, addMultiple, addMultiple, addMultiple, addMultiple, addMultiple, addMultipleCopy, addMultipleToArray, addMultipleToArray, addPower, addPower, addPower, addProduct, addProduct, addProduct, addProductCopy, addProductCopy, addProductToArray, addProductToArray, addToArray, addToArray, addWeighted, angle, applyOp, applyOp, applyOp, applyOp, applyOp, asDoubleArray, asElementList, asVector, broadcast, broadcastLike, broadcastLike, broadcastLike, checkDimension, checkSameLength, clamp, clampMax, clampMin, clone, compareTo, copy, copyTo, copyTo, copyTo, copyTo, copyTo, crossProduct, crossProduct, dense, denseClone, dimensionality, distance, distanceL1, distanceLinf, distanceSquared, divide, divide, divide, divide, divideCopy, divideCopy, divideTo, dotProduct, dotProduct, elementIterator, epsilonEquals, epsilonEquals, epsilonEquals, epsilonEquals, equals, equals, fill, fillRange, get, get, get, get, getElements, getElements, getElements, getLongShape, getShape, getSlices, getTranspose, getTransposeCopy, getTransposeView, hashCode, immutable, innerProduct, innerProduct, innerProduct, innerProduct, innerProduct, interpolate, isSameShape, isUnitLengthVector, isUnitLengthVector, isView, join, join, join, log, logistic, magnitude, magnitudeSquared, maxAbsElement, maxAbsElementIndex, maxElement, maxElementIndex, minElement, minElementIndex, multiply, multiply, multiply, multiply, multiply, multiplyCopy, multiplyTo, mutable, negate, nonSparseIndex, nonZeroIndices, nonZeroValues, normalise, normaliseCopy, normaliseMaxAbsElement, outerProduct, outerProduct, pow, projectToPlane, reduce, reduce, reduceSlices, reduceSlices, reorder, reorder, reshape, rotateCopy, rotateView, rotateView, scale, scaleAdd, scaleAdd, scaleAdd, scaleAdd, scaleCopy, scaleToMagnitude, selectClone, selectView, set, set, set, set, set, set, set, set, set, set, setElements, setElements, setElements, setInnerProduct, setInnerProduct, setInnerProduct, setMultiple, setMultiple, setMultiple, setMultiple, shiftCopy, signum, slice, slice, sliceValue, softmax, softmaxCopy, sparse, sparseClone, sqrtCopy, square, squareCopy, sub, sub, subArray, subAt, subCopy, subCopy, subMultiple, tanh, toDoubleArray, toDoubleBuffer, toList, toNormal, toSliceArray, toString, toStringFull, toVector, unsafeSet, validate

Methods inherited from class mikera.arrayz.impl.AbstractArray
add, addInnerProduct, addInnerProduct, addOuterProduct, broadcastCloneLike, broadcastCopyLike, checkMutable, componentCount, density, ensureMutable, exp, get, get, get, getComponent, getComponents, getElements, getElements, getSlices, getSliceViews, isBoolean, isDense, isSparse, reciprocal, scale, set, set, signumCopy, sqrt, sub, sub, toArray, withComponents

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

Methods inherited from interface mikera.arrayz.INDArray
addOuterProduct, broadcastCloneLike, broadcastCopyLike, checkMutable, componentCount, ensureMutable, exp, get, get, get, getComponent, getComponents, getElements, getElements, getSlices, getSliceViews, isBoolean, isDense, isSparse, reciprocal, scale, set, set, signumCopy, sqrt, sub, toArray, withComponents

Methods inherited from interface java.lang.Iterable
forEach, spliterator

- Method Detail
  - create
```
public static RepeatedElementVector create(int length,
                                           double value)
```
  - isFullyMutable
```
public boolean isFullyMutable()
```
    Description copied from class: AVector
    
    Returns true if this vector is fully mutable, i.e. can contain any unconstrained double values
    
    Specified by:
    
    isFullyMutable in interface INDArray
    
    Overrides:
    
    isFullyMutable in class AVector
  - isMutable
```
public boolean isMutable()
```
    Description copied from class: AVector
    
    Returns true if this vector is mutable.
    
    Specified by:
    
    isMutable in interface INDArray
    
    Overrides:
    
    isMutable in class AVector
  - isZero
```
public boolean isZero()
```
    Description copied from class: AVector
    
    Returns true if this vector is a zero vector (all components zero)
    
    Specified by:
    
    isZero in interface INDArray
    
    Overrides:
    
    isZero in class AVector
  - isRangeZero
```
public boolean isRangeZero(int start,
                           int length)
```
    Description copied from class: AVector
    
    Returns true if a sub-vector range is completely zero. Unsafe operation - does not perform bounds checking, results are undefined if sub-vector is out of range
    
    Overrides:
    
    isRangeZero in class AVector
    
    Returns:
  - isElementConstrained
```
public boolean isElementConstrained()
```
    Description copied from interface: INDArray
    
    Returns true if this array has some constraints on element values
    
    Specified by:
    
    isElementConstrained in interface INDArray
    
    Overrides:
    
    isElementConstrained in class AVector
  - get
```
public double get(int i)
```
    Description copied from interface: INDArray
    
    Returns the double value at the specified position in a 1D vector
    
    Specified by:
    
    get in interface INDArray
    
    Specified by:
    
    get in interface IVector
    
    Specified by:
    
    get in class AVector
  - unsafeGet
```
public double unsafeGet(int i)
```
    Overrides:
    
    unsafeGet in class AVector
  - applyOpCopy
```
public AVector applyOpCopy(Op op)
```
    Description copied from interface: INDArray
    
    Applies a unary operator to all elements of the array (creating a new array)
    
    Specified by:
    
    applyOpCopy in interface INDArray
    
    Overrides:
    
    applyOpCopy in class AVector
  - elementSum
```
public double elementSum()
```
    Description copied from class: AVector
    
    Returns the sum of all elements in a vector
    
    Specified by:
    
    elementSum in interface INDArray
    
    Overrides:
    
    elementSum in class AVector
  - elementProduct
```
public double elementProduct()
```
    Description copied from interface: INDArray
    
    Returns the product of all elements in the array.
    
    Specified by:
    
    elementProduct in interface INDArray
    
    Overrides:
    
    elementProduct in class AVector
    
    Returns:
  - elementMax
```
public double elementMax()
```
    Description copied from interface: INDArray
    
    Returns the maximum element value in this array. Throws an error if there are no elements.
    
    Specified by:
    
    elementMax in interface INDArray
    
    Overrides:
    
    elementMax in class AVector
  - elementMin
```
public double elementMin()
```
    Description copied from interface: INDArray
    
    Returns the maximum element value in this array. Throws an error if there are no elements.
    
    Specified by:
    
    elementMin in interface INDArray
    
    Overrides:
    
    elementMin in class AVector
  - elementSquaredSum
```
public double elementSquaredSum()
```
    Description copied from interface: INDArray
    
    Returns the sum of squared elements in this array.
    
    Specified by:
    
    elementSquaredSum in interface INDArray
    
    Overrides:
    
    elementSquaredSum in class AVector
  - dotProduct
```
public double dotProduct(AVector v)
```
    Description copied from class: AVector
    
    Returns the dot product of this vector with another vector The vectors must have the same length: if not the result is undefined
    
    Overrides:
    
    dotProduct in class AVector
    
    Returns:
  - dotProduct
```
public double dotProduct(double[] data,
                         int offset)
```
    Description copied from class: AVector
    
    Fast dot product with a double[] array. Performs no bounds checking. Likely to be faster than most other dot product operations
    
    Specified by:
    
    dotProduct in class AVector
  - dotProduct
```
public double dotProduct(double[] data,
                         int offset,
                         int stride)
```
    Description copied from class: AVector
    
    Fast dot product with a double[] array and a stride. Performs no bounds checking. Likely to be faster than other dot product operations
    
    Overrides:
    
    dotProduct in class AVector
  - multiplyCopy
```
public AVector multiplyCopy(double d)
```
    Description copied from interface: INDArray
    
    Returns a copy of the array with all elements multiplied by a single constant value
    
    Specified by:
    
    multiplyCopy in interface INDArray
    
    Overrides:
    
    multiplyCopy in class AVector
    
    Parameters:
    
    d - A scalar factor
    
    Returns:
    
    A new array, with all element values scaled by the given factor
  - innerProduct
```
public AVector innerProduct(AMatrix m)
```
    Description copied from class: AVector
    
    Computes the inner product of this vector with a matrix
    
    Overrides:
    
    innerProduct in class AVector
    
    Returns:
    
    a vector representing the inner product
  - select
```
public AVector select(int... order)
```
    Description copied from class: AVector
    
    Selects a subset of indices from a vector
    
    Overrides:
    
    select in class AVector
    
    Returns:
  - reciprocalCopy
```
public AVector reciprocalCopy()
```
    Description copied from interface: INDArray
    
    Returns a new array where every element is the reciprocal of the corresponding element in this array
    
    Specified by:
    
    reciprocalCopy in interface INDArray
    
    Overrides:
    
    reciprocalCopy in class AbstractArray<Double>
  - absCopy
```
public AVector absCopy()
```
    Description copied from interface: INDArray
    
    Returns a copy of the array with the abs operator applied to each element
    
    Specified by:
    
    absCopy in interface INDArray
    
    Overrides:
    
    absCopy in class AVector
    
    Returns:
    
    A new array containing the absolute element values
  - negateCopy
```
public AVector negateCopy()
```
    Description copied from interface: INDArray
    
    Negates all elements in the array, returning a new array
    
    Specified by:
    
    negateCopy in interface INDArray
    
    Overrides:
    
    negateCopy in class AVector
  - addCopy
```
public AVector addCopy(AVector v)
```
    Description copied from interface: IVector
    
    Adds a vector element-wise to this vector, returning a new vector.
    
    Specified by:
    
    addCopy in interface IVector
    
    Overrides:
    
    addCopy in class AVector
    
    Returns:
  - multiplyCopy
```
public AVector multiplyCopy(AVector v)
```
    Description copied from interface: IVector
    
    Multiplies a vector element-wise with this vector, returning a new vector.
    
    Specified by:
    
    multiplyCopy in interface IVector
    
    Overrides:
    
    multiplyCopy in class AVector
    
    Returns:
  - addCopy
```
public AVector addCopy(double v)
```
    Description copied from interface: INDArray
    
    Creates a new array equal to this array with a constant value added to every element
    
    Specified by:
    
    addCopy in interface INDArray
    
    Overrides:
    
    addCopy in class AVector
    
    Returns:
  - addToArray
```
public void addToArray(double[] data,
                       int offset)
```
    Description copied from class: AVector
    
    Adds this vector to a double[] array, starting at the specified offset.
    
    Specified by:
    
    addToArray in interface INDArray
    
    Overrides:
    
    addToArray in class AVector
  - nonZeroCount
```
public long nonZeroCount()
```
    Description copied from interface: INDArray
    
    Returns the number of non-zero elements in the array.
    
    Specified by:
    
    nonZeroCount in interface INDArray
    
    Overrides:
    
    nonZeroCount in class AVector
  - set
```
public void set(int i,
                double value)
```
    Description copied from interface: INDArray
    
    Sets a value at a given position in a mutable 1D array
    
    Specified by:
    
    set in interface INDArray
    
    Specified by:
    
    set in interface IVector
    
    Specified by:
    
    set in class AVector
  - iterator
```
public Iterator<Double> iterator()
```
    Specified by:
    
    iterator in interface Iterable<Double>
    
    Overrides:
    
    iterator in class AVector
  - subVector
```
public AVector subVector(int offset,
                         int length)
```
    Description copied from class: AVector
    
    Obtains a sub-vector view that refers to this vector. Changes to the sub-vector will be reflected in this vector
    
    Overrides:
    
    subVector in class AVector
  - tryEfficientJoin
```
public AVector tryEfficientJoin(AVector a)
```
    Description copied from class: AVector
    
    Attempts to perform an efficient join with a second vector. An efficient join is guaranteed to be better than a simple JoinedVector(left,right) If possible, returns the joined vector. If not, returns null
    
    Overrides:
    
    tryEfficientJoin in class AVector
  - exactClone
```
public RepeatedElementVector exactClone()
```
    Description copied from class: AVector
    
    Returns an exact clone of this vector, i.e. of the same type
    
    Specified by:
    
    exactClone in interface INDArray
    
    Specified by:
    
    exactClone in class AVector
    
    Returns:
    
    A clone of the original array
  - equals
```
public boolean equals(AVector v)
```
    Overrides:
    
    equals in class AVector
  - equalsArray
```
public boolean equalsArray(double[] data,
                           int offset)
```
    Description copied from class: AVector
    
    Returns true if this vector exactly matches the elements in double[] array, starting from the specified offset
    
    Specified by:
    
    equalsArray in interface INDArray
    
    Overrides:
    
    equalsArray in class ASizedVector
    
    Parameters:
    
    data - Array of double element values to check for equality
    
    offset - Offset into the data array
    
    Returns:
  - elementsEqual
```
public boolean elementsEqual(double value)
```
    Description copied from interface: INDArray
    
    Returns true if all elements are equal to a specific value
    
    Specified by:
    
    elementsEqual in interface INDArray
    
    Overrides:
    
    elementsEqual in class AVector
  - hasUncountable
```
public boolean hasUncountable()
```
    Description copied from class: AbstractArray
    
    Returns true if any element is this array is NaN or infinite
    
    Specified by:
    
    hasUncountable in interface INDArray
    
    Overrides:
    
    hasUncountable in class AVector
    
    Returns:
    
    True if any element is this array is NaN or infinite, false otherwise
  - elementPowSum
```
public double elementPowSum(double p)
```
    Returns the sum of all the elements raised to a specified power
    
    Specified by:
    
    elementPowSum in interface INDArray
    
    Overrides:
    
    elementPowSum in class AVector
    
    Returns:
  - elementAbsPowSum
```
public double elementAbsPowSum(double p)
```
    Returns the sum of the absolute values of all the elements raised to a specified power
    
    Specified by:
    
    elementAbsPowSum in interface INDArray
    
    Overrides:
    
    elementAbsPowSum in class AVector
    
    Returns:

Class RepeatedElementVector

Field Summary

Fields inherited from class mikera.vectorz.impl.ASizedVector

Method Summary

Methods inherited from class mikera.vectorz.impl.ASizedVector

Methods inherited from class mikera.vectorz.AVector

Methods inherited from class mikera.arrayz.impl.AbstractArray

Methods inherited from class java.lang.Object

Methods inherited from interface mikera.arrayz.INDArray

Methods inherited from interface java.lang.Iterable

Method Detail

create

isFullyMutable

isMutable

isZero

isRangeZero

isElementConstrained

get

unsafeGet

applyOpCopy

elementSum

elementProduct

elementMax

elementMin

elementSquaredSum

dotProduct

dotProduct

dotProduct

multiplyCopy

innerProduct

select

reciprocalCopy

absCopy

negateCopy

addCopy

multiplyCopy

addCopy

addToArray

nonZeroCount

set

iterator

subVector

tryEfficientJoin

exactClone

equals

equalsArray

elementsEqual

hasUncountable

elementPowSum

elementAbsPowSum