ColumnVector

public final class ColumnVector extends Matrix

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

Parameters

data

must fit into the length of this vector.

Constructors

ColumnVector

ColumnVector ColumnVector(Integer length, LongArray data)

data can be LongArray.

ColumnVector

ColumnVector ColumnVector(Integer length, FloatArray data)

data can be FloatArray.

ColumnVector

ColumnVector ColumnVector(Integer length, IntArray data)

data can be IntArray.

ColumnVector

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

It is possible to set a value using lambda function.

ColumnVector

ColumnVector ColumnVector(DoubleArray data)

If data is given, length is no longer necessary.

ColumnVector

ColumnVector ColumnVector(LongArray data)

If data is given, length is no longer necessary.

ColumnVector

ColumnVector ColumnVector(FloatArray data)

If data is given, length is no longer necessary.

ColumnVector

ColumnVector ColumnVector(IntArray data)

If data is given, length is no longer necessary.

ColumnVector

ColumnVector ColumnVector(Integer length, DoubleArray data)

Creates a new column 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

ColumnVector copy()

Same as Tensor.copy but returns ColumnVector

crossProduct

final ColumnVector crossProduct(ColumnVector other)

Cross product.

div

ColumnVector div(Number other)

dotProduct

final Double dotProduct(ColumnVector other)

Dot product.

final Double dotProduct(RowVector other)

Dot product.

eltwiseMul

final ColumnVector eltwiseMul(ColumnVector other)

Same as Matrix.eltwiseMul but returns ColumnVector.

final Matrix eltwiseMul(Matrix other)

Element-wise multiplication.

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 ColumnVector getSubvector(Integer indexStart, Integer indexEnd)

Get a subvector by slicing this vector.

map

ColumnVector map(Function1<Double, Number> lambda)

Same as Tensor.map but returns ColumnVector.

minorMatrix

final Matrix minorMatrix(Integer rowIndex, Integer colIndex)

Get a minor matrix.

minus

final ColumnVector minus(ColumnVector other)

final Matrix minus(Matrix other)

final Tensor minus(Tensor other)

normalize

final ColumnVector normalize()

Normalize this vector.

plus

final ColumnVector plus(ColumnVector other)

final Matrix plus(Matrix other)

final Tensor plus(Tensor other)

pow

final Matrix pow(Integer n)

Calculate the nth power of this matrix.

proj

final ColumnVector proj(ColumnVector 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, ColumnVector 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

ColumnVector times(Number other)

final ColumnVector times(ColumnVector other)

Matrix times(Matrix other)

final Tensor times(Tensor other)

toColVector

final ColumnVector toColVector()

Downcast to ColumnVector class if possible; i.e.

toComplex

ComplexColumnVector 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

RowVector transpose()

Same as Matrix.transpose but returns RowVector.

unaryMinus

ColumnVector unaryMinus()

unaryPlus

ColumnVector 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.