Uses of Interface
org.apache.commons.math.FieldElement

Packages that use FieldElement

Package	Description
org.apache.commons.math.complex	Complex number type and implementations of complex transcendental functions.
org.apache.commons.math.dfp	Decimal floating point library for Java
org.apache.commons.math.fraction	Fraction number type and fraction number formatting.
org.apache.commons.math.linear	Linear algebra support.
org.apache.commons.math.util	Convenience routines and common data structures used throughout the commons-math library.

Uses of FieldElement in org.apache.commons.math.complex

Classes in org.apache.commons.math.complex that implement FieldElement

Modifier and Type	Class	Description
class	Complex	Representation of a Complex number - a number which has both a real and imaginary part.

Uses of FieldElement in org.apache.commons.math.dfp

Classes in org.apache.commons.math.dfp that implement FieldElement

Modifier and Type	Class	Description
class	Dfp	Decimal floating point library for Java
class	DfpDec	Subclass of Dfp which hides the radix-10000 artifacts of the superclass.

Uses of FieldElement in org.apache.commons.math.fraction

Classes in org.apache.commons.math.fraction that implement FieldElement

Modifier and Type	Class	Description
class	BigFraction	Representation of a rational number without any overflow.
class	Fraction	Representation of a rational number.

Uses of FieldElement in org.apache.commons.math.linear

Classes in org.apache.commons.math.linear with type parameters of type FieldElement

Modifier and Type	Class	Description
class	AbstractFieldMatrix<T extends FieldElement<T>>	Basic implementation of FieldMatrix methods regardless of the underlying storage.
class	Array2DRowFieldMatrix<T extends FieldElement<T>>	Implementation of FieldMatrix using a FieldElement[][] array to store entries.
class	ArrayFieldVector<T extends FieldElement<T>>	This class implements the FieldVector interface with a FieldElement array.
class	BlockFieldMatrix<T extends FieldElement<T>>	Cache-friendly implementation of FieldMatrix using a flat arrays to store square blocks of the matrix.
class	DefaultFieldMatrixChangingVisitor<T extends FieldElement<T>>	Default implementation of the FieldMatrixChangingVisitor interface.
class	DefaultFieldMatrixPreservingVisitor<T extends FieldElement<T>>	Default implementation of the FieldMatrixPreservingVisitor interface.
interface	FieldDecompositionSolver<T extends FieldElement<T>>	Interface handling decomposition algorithms that can solve A × X = B.
interface	FieldLUDecomposition<T extends FieldElement<T>>	An interface to classes that implement an algorithm to calculate the LU-decomposition of a real matrix.
class	FieldLUDecompositionImpl<T extends FieldElement<T>>	Calculates the LUP-decomposition of a square matrix.
interface	FieldMatrix<T extends FieldElement<T>>	Interface defining field-valued matrix with basic algebraic operations.
interface	FieldMatrixChangingVisitor<T extends FieldElement<?>>	Interface defining a visitor for matrix entries.
interface	FieldMatrixPreservingVisitor<T extends FieldElement<?>>	Interface defining a visitor for matrix entries.
interface	FieldVector<T extends FieldElement<T>>	Interface defining a field-valued vector with basic algebraic operations.
class	SparseFieldMatrix<T extends FieldElement<T>>	Sparse matrix implementation based on an open addressed map.
class	SparseFieldVector<T extends FieldElement<T>>	This class implements the FieldVector interface with a OpenIntToFieldHashMap backing store.

Fields in org.apache.commons.math.linear declared as FieldElement

Modifier and Type	Field	Description
protected T[][]	Array2DRowFieldMatrix.data	Entries of the matrix
protected T[]	ArrayFieldVector.data	Entries of the vector.

Methods in org.apache.commons.math.linear with type parameters of type FieldElement

Modifier and Type	Method	Description
protected static <T extends FieldElement<T>> T[]	AbstractFieldMatrix.buildArray(Field<T> field, int length)	Build an array of elements.
protected static <T extends FieldElement<T>> T[][]	AbstractFieldMatrix.buildArray(Field<T> field, int rows, int columns)	Build an array of elements.
static <T extends FieldElement<T>> T[][]	BlockFieldMatrix.createBlocksLayout(Field<T> field, int rows, int columns)	Create a data array in blocks layout.
static <T extends FieldElement<T>> FieldMatrix<T>	MatrixUtils.createColumnFieldMatrix(T[] columnData)	Creates a column FieldMatrix using the data from the input array.
static <T extends FieldElement<T>> FieldMatrix<T>	MatrixUtils.createFieldDiagonalMatrix(T[] diagonal)	Returns a diagonal matrix with specified elements.
static <T extends FieldElement<T>> FieldMatrix<T>	MatrixUtils.createFieldIdentityMatrix(Field<T> field, int dimension)	Returns dimension x dimension identity matrix.
static <T extends FieldElement<T>> FieldMatrix<T>	MatrixUtils.createFieldMatrix(Field<T> field, int rows, int columns)	Returns a FieldMatrix with specified dimensions.
static <T extends FieldElement<T>> FieldMatrix<T>	MatrixUtils.createFieldMatrix(T[][] data)	Returns a FieldMatrix whose entries are the the values in the the input array.
static <T extends FieldElement<T>> FieldVector<T>	MatrixUtils.createFieldVector(T[] data)	Creates a FieldVector using the data from the input array.
static <T extends FieldElement<T>> FieldMatrix<T>	MatrixUtils.createRowFieldMatrix(T[] rowData)	Creates a row FieldMatrix using the data from the input array.
protected static <T extends FieldElement<T>> Field<T>	AbstractFieldMatrix.extractField(T[] d)	Get the elements type from an array.
protected static <T extends FieldElement<T>> Field<T>	AbstractFieldMatrix.extractField(T[][] d)	Get the elements type from an array.
static <T extends FieldElement<T>> T[][]	BlockFieldMatrix.toBlocksLayout(T[][] rawData)	Convert a data array from raw layout to blocks layout.

Methods in org.apache.commons.math.linear that return FieldElement

Modifier and Type	Method	Description
protected static <T extends FieldElement<T>> T[]	AbstractFieldMatrix.buildArray(Field<T> field, int length)	Build an array of elements.
protected static <T extends FieldElement<T>> T[][]	AbstractFieldMatrix.buildArray(Field<T> field, int rows, int columns)	Build an array of elements.
static <T extends FieldElement<T>> T[][]	BlockFieldMatrix.createBlocksLayout(Field<T> field, int rows, int columns)	Create a data array in blocks layout.
T[]	AbstractFieldMatrix.getColumn(int column)	Returns the entries in column number col as an array.
T[]	BlockFieldMatrix.getColumn(int column)	Returns the entries in column number col as an array.
T[]	FieldMatrix.getColumn(int column)	Returns the entries in column number col as an array.
T[][]	AbstractFieldMatrix.getData()	Returns matrix entries as a two-dimensional array.
T[][]	Array2DRowFieldMatrix.getData()	Returns matrix entries as a two-dimensional array.
T[]	ArrayFieldVector.getData()	Returns vector entries as a T array.
T[][]	BlockFieldMatrix.getData()	Returns matrix entries as a two-dimensional array.
T[][]	FieldMatrix.getData()	Returns matrix entries as a two-dimensional array.
T[]	FieldVector.getData()	Returns vector entries as a T array.
T[]	SparseFieldVector.getData()	Returns vector entries as a T array.
T[][]	Array2DRowFieldMatrix.getDataRef()	Returns a reference to the underlying data array.
T[]	ArrayFieldVector.getDataRef()	Returns a reference to the underlying data array.
T[]	AbstractFieldMatrix.getRow(int row)	Returns the entries in row number row as an array.
T[]	BlockFieldMatrix.getRow(int row)	Returns the entries in row number row as an array.
T[]	FieldMatrix.getRow(int row)	Returns the entries in row number row as an array.
T[]	AbstractFieldMatrix.operate(T[] v)	Returns the result of multiplying this by the vector v.
T[]	Array2DRowFieldMatrix.operate(T[] v)	Returns the result of multiplying this by the vector v.
T[]	BlockFieldMatrix.operate(T[] v)	Returns the result of multiplying this by the vector v.
T[]	FieldMatrix.operate(T[] v)	Returns the result of multiplying this by the vector v.
T[]	AbstractFieldMatrix.preMultiply(T[] v)	Returns the (row) vector result of premultiplying this by the vector v.
T[]	Array2DRowFieldMatrix.preMultiply(T[] v)	Returns the (row) vector result of premultiplying this by the vector v.
T[]	BlockFieldMatrix.preMultiply(T[] v)	Returns the (row) vector result of premultiplying this by the vector v.
T[]	FieldMatrix.preMultiply(T[] v)	Returns the (row) vector result of premultiplying this by the vector v.
T[]	FieldDecompositionSolver.solve(T[] b)	Solve the linear equation A × X = B for matrices A.
T[]	ArrayFieldVector.toArray()	Convert the vector to a T array.
T[]	FieldVector.toArray()	Convert the vector to a T array.
T[]	SparseFieldVector.toArray()	Convert the vector to a T array.
static <T extends FieldElement<T>> T[][]	BlockFieldMatrix.toBlocksLayout(T[][] rawData)	Convert a data array from raw layout to blocks layout.

Methods in org.apache.commons.math.linear with parameters of type FieldElement

Modifier and Type	Method	Description
FieldVector<T>	ArrayFieldVector.add(T[] v)	Compute the sum of this and v.
FieldVector<T>	FieldVector.add(T[] v)	Compute the sum of this and v.
FieldVector<T>	SparseFieldVector.add(T[] v)	Compute the sum of this and v.
FieldVector<T>	ArrayFieldVector.append(T[] in)	Construct a vector by appending a T array to this vector.
FieldVector<T>	FieldVector.append(T[] a)	Construct a vector by appending a T array to this vector.
FieldVector<T>	SparseFieldVector.append(T[] a)	Construct a vector by appending a T array to this vector.
void	AbstractFieldMatrix.copySubMatrix(int[] selectedRows, int[] selectedColumns, T[][] destination)	Copy a submatrix.
void	AbstractFieldMatrix.copySubMatrix(int startRow, int endRow, int startColumn, int endColumn, T[][] destination)	Copy a submatrix.
void	FieldMatrix.copySubMatrix(int[] selectedRows, int[] selectedColumns, T[][] destination)	Copy a submatrix.
void	FieldMatrix.copySubMatrix(int startRow, int endRow, int startColumn, int endColumn, T[][] destination)	Copy a submatrix.
static <T extends FieldElement<T>> FieldMatrix<T>	MatrixUtils.createColumnFieldMatrix(T[] columnData)	Creates a column FieldMatrix using the data from the input array.
static <T extends FieldElement<T>> FieldMatrix<T>	MatrixUtils.createFieldDiagonalMatrix(T[] diagonal)	Returns a diagonal matrix with specified elements.
static <T extends FieldElement<T>> FieldMatrix<T>	MatrixUtils.createFieldMatrix(T[][] data)	Returns a FieldMatrix whose entries are the the values in the the input array.
static <T extends FieldElement<T>> FieldVector<T>	MatrixUtils.createFieldVector(T[] data)	Creates a FieldVector using the data from the input array.
static <T extends FieldElement<T>> FieldMatrix<T>	MatrixUtils.createRowFieldMatrix(T[] rowData)	Creates a row FieldMatrix using the data from the input array.
T	ArrayFieldVector.dotProduct(T[] v)	Compute the dot product.
T	FieldVector.dotProduct(T[] v)	Compute the dot product.
T	SparseFieldVector.dotProduct(T[] v)	Compute the dot product.
FieldVector<T>	ArrayFieldVector.ebeDivide(T[] v)	Element-by-element division.
FieldVector<T>	FieldVector.ebeDivide(T[] v)	Element-by-element division.
FieldVector<T>	SparseFieldVector.ebeDivide(T[] v)	Element-by-element division.
FieldVector<T>	ArrayFieldVector.ebeMultiply(T[] v)	Element-by-element multiplication.
FieldVector<T>	FieldVector.ebeMultiply(T[] v)	Element-by-element multiplication.
FieldVector<T>	SparseFieldVector.ebeMultiply(T[] v)	Element-by-element multiplication.
protected static <T extends FieldElement<T>> Field<T>	AbstractFieldMatrix.extractField(T[] d)	Get the elements type from an array.
protected static <T extends FieldElement<T>> Field<T>	AbstractFieldMatrix.extractField(T[][] d)	Get the elements type from an array.
T[]	AbstractFieldMatrix.operate(T[] v)	Returns the result of multiplying this by the vector v.
T[]	Array2DRowFieldMatrix.operate(T[] v)	Returns the result of multiplying this by the vector v.
T[]	BlockFieldMatrix.operate(T[] v)	Returns the result of multiplying this by the vector v.
T[]	FieldMatrix.operate(T[] v)	Returns the result of multiplying this by the vector v.
FieldMatrix<T>	ArrayFieldVector.outerProduct(T[] v)	Compute the outer product.
FieldMatrix<T>	FieldVector.outerProduct(T[] v)	Compute the outer product.
FieldMatrix<T>	SparseFieldVector.outerProduct(T[] v)	Compute the outer product.
T[]	AbstractFieldMatrix.preMultiply(T[] v)	Returns the (row) vector result of premultiplying this by the vector v.
T[]	Array2DRowFieldMatrix.preMultiply(T[] v)	Returns the (row) vector result of premultiplying this by the vector v.
T[]	BlockFieldMatrix.preMultiply(T[] v)	Returns the (row) vector result of premultiplying this by the vector v.
T[]	FieldMatrix.preMultiply(T[] v)	Returns the (row) vector result of premultiplying this by the vector v.
FieldVector<T>	ArrayFieldVector.projection(T[] v)	Find the orthogonal projection of this vector onto another vector.
FieldVector<T>	FieldVector.projection(T[] v)	Find the orthogonal projection of this vector onto another vector.
FieldVector<T>	SparseFieldVector.projection(T[] v)	Find the orthogonal projection of this vector onto another vector.
void	AbstractFieldMatrix.setColumn(int column, T[] array)	Sets the entries in column number column as a column matrix.
void	BlockFieldMatrix.setColumn(int column, T[] array)	Sets the entries in column number column as a column matrix.
void	FieldMatrix.setColumn(int column, T[] array)	Sets the entries in column number column as a column matrix.
void	AbstractFieldMatrix.setRow(int row, T[] array)	Sets the entries in row number row as a row matrix.
void	BlockFieldMatrix.setRow(int row, T[] array)	Sets the entries in row number row as a row matrix.
void	FieldMatrix.setRow(int row, T[] array)	Sets the entries in row number row as a row matrix.
void	AbstractFieldMatrix.setSubMatrix(T[][] subMatrix, int row, int column)	Replace the submatrix starting at row, column using data in the input subMatrix array.
void	Array2DRowFieldMatrix.setSubMatrix(T[][] subMatrix, int row, int column)	Replace the submatrix starting at row, column using data in the input subMatrix array.
void	BlockFieldMatrix.setSubMatrix(T[][] subMatrix, int row, int column)	Replace the submatrix starting at row, column using data in the input subMatrix array.
void	FieldMatrix.setSubMatrix(T[][] subMatrix, int row, int column)	Replace the submatrix starting at row, column using data in the input subMatrix array.
void	ArrayFieldVector.setSubVector(int index, T[] v)	Set a set of consecutive elements.
void	FieldVector.setSubVector(int index, T[] v)	Set a set of consecutive elements.
void	SparseFieldVector.setSubVector(int index, T[] v)	Set a set of consecutive elements.
T[]	FieldDecompositionSolver.solve(T[] b)	Solve the linear equation A × X = B for matrices A.
FieldVector<T>	ArrayFieldVector.subtract(T[] v)	Compute this minus v.
FieldVector<T>	FieldVector.subtract(T[] v)	Compute this minus v.
FieldVector<T>	SparseFieldVector.subtract(T[] v)	Compute this minus v.
static <T extends FieldElement<T>> T[][]	BlockFieldMatrix.toBlocksLayout(T[][] rawData)	Convert a data array from raw layout to blocks layout.

Constructors in org.apache.commons.math.linear with parameters of type FieldElement

Constructor	Description
Array2DRowFieldMatrix(T[] v)	Create a new (column) FieldMatrix using v as the data for the unique column of the v.length x 1 matrix created.
Array2DRowFieldMatrix(T[][] d)	Create a new FieldMatrix using the input array as the underlying data array.
Array2DRowFieldMatrix(T[][] d, boolean copyArray)	Create a new FieldMatrix using the input array as the underlying data array.
ArrayFieldVector(Field<T> field, T[] d)	Construct a vector from an array, copying the input array.
ArrayFieldVector(Field<T> field, T[] d, boolean copyArray)	Create a new ArrayFieldVector using the input array as the underlying data array.
ArrayFieldVector(Field<T> field, T[] v1, T[] v2)	Construct a vector by appending one vector to another vector.
ArrayFieldVector(ArrayFieldVector<T> v1, T[] v2)	Construct a vector by appending one vector to another vector.
ArrayFieldVector(T[] d)	Construct a vector from an array, copying the input array.
ArrayFieldVector(T[] d, boolean copyArray)	Create a new ArrayFieldVector using the input array as the underlying data array.
ArrayFieldVector(T[] d, int pos, int size)	Construct a vector from part of a array.
ArrayFieldVector(T[] v1, ArrayFieldVector<T> v2)	Construct a vector by appending one vector to another vector.
ArrayFieldVector(T[] v1, T[] v2)	Construct a vector by appending one vector to another vector.
BlockFieldMatrix(int rows, int columns, T[][] blockData, boolean copyArray)	Create a new dense matrix copying entries from block layout data.
BlockFieldMatrix(T[][] rawData)	Create a new dense matrix copying entries from raw layout data.
SparseFieldVector(Field<T> field, T[] values)	Create from a Field array.

Uses of FieldElement in org.apache.commons.math.util

Classes in org.apache.commons.math.util with type parameters of type FieldElement

Modifier and Type	Class	Description
class	OpenIntToFieldHashMap<T extends FieldElement<T>>	Open addressed map from int to FieldElement.

Classes in org.apache.commons.math.util that implement FieldElement

Modifier and Type	Class	Description
class	BigReal	Arbitrary precision decimal number.