RowVector

public final class RowVector extends Matrix

Represents real row vector. It is also a Matrix with shape 1 * length.

Parameters

data

must fit into the length of this vector.

Constructors

RowVector

RowVector RowVector(Integer length, LongArray data)

data can be LongArray.

RowVector

RowVector RowVector(Integer length, FloatArray data)

data can be FloatArray.

RowVector

RowVector RowVector(Integer length, IntArray data)

data can be IntArray.

RowVector

RowVector RowVector(Integer length, Function1<Integer, Number> lambda)

It is possible to set a value using lambda function.

RowVector

RowVector RowVector(DoubleArray data)

RowVector

RowVector RowVector(LongArray data)

RowVector

RowVector RowVector(FloatArray data)

RowVector

RowVector RowVector(IntArray data)

RowVector

RowVector RowVector(Integer length, DoubleArray data)

Creates a new row vector.

Functions

addRow

final Matrix addRow(Integer srcRowIndex, Integer dstRowIndex, Number fraction)

Do a row addition transformation; add dstRow multiplied by fraction to srcRow.

adjoint

final Matrix adjoint()

Calculate adjoint matrix of this matrix.

columnWiseMean

final RowVector columnWiseMean()

Calculate the mean value of each column.

colVecNormSq

final RowVector colVecNormSq()

Calculate the squared norm of each column vector.

concat

final Matrix concat(Matrix other, Integer concatDim)

Concatenate to other matrix.

final Tensor concat(Tensor other, Integer concatDim)

Concatenate to other tensor.

copy

RowVector copy()

Same as Tensor.copy but returns RowVector

crossProduct

final RowVector crossProduct(RowVector other)

Cross product.

div

RowVector div(Number other)

dotProduct

final Double dotProduct(ColumnVector other)

Dot product.

final Double dotProduct(RowVector other)

Dot product.

eltwiseMul

final Matrix eltwiseMul(Matrix other)

Element-wise multiplication.

final RowVector eltwiseMul(RowVector other)

Same as Matrix.eltwiseMul but returns RowVector.

equals

Boolean equals(Object other)

flatten

final Tensor flatten()

Reshape to a 1-dimensional tensor.

frobeniusNormSquared

final Double frobeniusNormSquared()

Calculate squared frobenius norm.

get

final Double get(Integer index)

final Double get(IntArray indices)

final Tensor get(Long indexLong)

final Double get(Integer rowIndex, Integer colIndex)

getCols

final Integer getCols()

number of columns.

getDim

final Integer getDim()

tensor dimension.

getLength

final Integer getLength()

length of a vector.

getRows

final Integer getRows()

number of rows.

getShape

final IntArray getShape()

tensor shape.

getSubmatrix

Matrix getSubmatrix(Integer rowIndexStart, Integer rowIndexEnd, Integer colIndexStart, Integer colIndexEnd)

Get a submatrix by slicing this matrix.

getSubvector

final RowVector getSubvector(Integer indexStart, Integer indexEnd)

Get a subvector by slicing this vector.

map

RowVector map(Function1<Double, Number> lambda)

Same as Tensor.map but returns RowVector.

minorMatrix

final Matrix minorMatrix(Integer rowIndex, Integer colIndex)

Get a minor matrix.

minus

final Matrix minus(Matrix other)

final RowVector minus(RowVector other)

final Tensor minus(Tensor other)

normalize

final RowVector normalize()

Normalize this vector.

plus

final Matrix plus(Matrix other)

final RowVector plus(RowVector other)

final Tensor plus(Tensor other)

pow

final Matrix pow(Integer n)

Calculate the nth power of this matrix.

proj

final RowVector proj(RowVector direction)

Project this vector onto direction.

pseudoEquals

final Boolean pseudoEquals(Tensor other)

Determines if other is close enough to be said the same.

replicate

final Matrix replicate(Integer n)

Concatenate the copies of this vector n times.

reshape

final Tensor reshape(IntArray newShape)

Reshape this tensor.

final Matrix reshape(Integer newRows, Integer newCols)

Reshape this matrix.

rowVecNormSq

final ColumnVector rowVecNormSq()

Calculate the squared norm of each row vector.

rowWiseMean

final ColumnVector rowWiseMean()

Calculate the mean value of each row.

set

final Unit set(Integer index, Number value)

final Unit set(IntArray indices, Number value)

final Unit set(Integer rowIndex, Integer colIndex, Number value)

setSubmatrix

Unit setSubmatrix(Integer rowIndexStart, Integer rowIndexEnd, Integer colIndexStart, Integer colIndexEnd, Matrix other)

Set a submatrix by substituting other to desired position.

setSubvector

final Unit setSubvector(Integer indexStart, Integer indexEnd, RowVector other)

Set a subvector by substituting other to desired position.

sum

final Double sum()

Calculate the sum of all values in this matrix.

switchRow

final Matrix switchRow(Integer rowIndex1, Integer rowIndex2)

Do a row switching transformation; exchange rowIndex1th row and rowIndex2th row.

times

RowVector times(Number other)

final ColumnVector times(ColumnVector other)

RowVector times(Matrix other)

final Tensor times(Tensor other)

toColVector

final ColumnVector toColVector()

Downcast to ColumnVector class if possible; i.e.

toComplex

ComplexRowVector toComplex()

Same as Tensor.toComplex but returns ComplexColumnVector.

toMatrix

final Matrix toMatrix()

Downcast to Matrix class, if possible: i.e.

toRowVector

final RowVector toRowVector()

Downcast to RowVector class if possible; i.e.

toString

String toString()

trace

final Double trace()

Calculate the trace of this matrix.

transpose

ColumnVector transpose()

Same as Matrix.transpose but returns ColumnVector.

unaryMinus

RowVector unaryMinus()

unaryPlus

RowVector unaryPlus()

Properties

cols

private final Integer cols

number of columns.

dim

private final Integer dim

tensor dimension.

length

private final Integer length

length of a vector.

rows

private final Integer rows

number of rows.

shape

private final IntArray shape

tensor shape.