Uses of Interface
org.apache.commons.math4.Field

Packages that use Field

Package	Description
org.apache.commons.math4	Common classes used throughout the commons-math library.
org.apache.commons.math4.analysis.differentiation	This package holds the main interfaces and basic building block classes dealing with differentiation.
org.apache.commons.math4.fraction	Fraction number type and fraction number formatting.
org.apache.commons.math4.linear	Linear algebra support.
org.apache.commons.math4.util	Convenience routines and common data structures used throughout the commons-math library.

Uses of Field in org.apache.commons.math4

Methods in org.apache.commons.math4 that return Field

Modifier and Type	Method	Description
Field<T>	FieldElement.getField()	Get the Field to which the instance belongs.

Uses of Field in org.apache.commons.math4.analysis.differentiation

Methods in org.apache.commons.math4.analysis.differentiation that return Field

Modifier and Type	Method	Description
Field<DerivativeStructure>	DerivativeStructure.getField()	Get the Field to which the instance belongs.
Field<SparseGradient>	SparseGradient.getField()	Get the Field to which the instance belongs.

Uses of Field in org.apache.commons.math4.fraction

Classes in org.apache.commons.math4.fraction that implement Field

Modifier and Type	Class	Description
class	BigFractionField	Representation of the fractional numbers without any overflow field.
class	FractionField	Representation of the fractional numbers field.

Uses of Field in org.apache.commons.math4.linear

Methods in org.apache.commons.math4.linear that return Field

Modifier and Type	Method	Description
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.
Field<T>	AbstractFieldMatrix.getField()	Get the type of field elements of the matrix.
Field<T>	ArrayFieldVector.getField()	Get the type of field elements of the vector.
Field<T>	FieldMatrix.getField()	Get the type of field elements of the matrix.
Field<T>	FieldVector.getField()	Get the type of field elements of the vector.
Field<T>	SparseFieldVector.getField()	Get the type of field elements of the vector.

Methods in org.apache.commons.math4.linear with parameters of type Field

Modifier and Type	Method	Description
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.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.

Constructors in org.apache.commons.math4.linear with parameters of type Field

Constructor	Description
AbstractFieldMatrix(Field<T> field)	Creates a matrix with no data
AbstractFieldMatrix(Field<T> field, int rowDimension, int columnDimension)	Create a new FieldMatrix<T> with the supplied row and column dimensions.
Array2DRowFieldMatrix(Field<T> field)	Creates a matrix with no data
Array2DRowFieldMatrix(Field<T> field, int rowDimension, int columnDimension)	Create a new FieldMatrix<T> with the supplied row and column dimensions.
Array2DRowFieldMatrix(Field<T> field, T[] v)	Create a new (column) FieldMatrix<T> using v as the data for the unique column of the created matrix.
Array2DRowFieldMatrix(Field<T> field, T[][] d)	Create a new FieldMatrix<T> using the input array as the underlying data array.
Array2DRowFieldMatrix(Field<T> field, T[][] d, boolean copyArray)	Create a new FieldMatrix<T> using the input array as the underlying data array.
ArrayFieldVector(Field<T> field)	Build a 0-length vector.
ArrayFieldVector(Field<T> field, int size)	Construct a vector of zeroes.
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[] d, int pos, int size)	Construct a vector from part of a array.
ArrayFieldVector(Field<T> field, T[] v1, T[] v2)	Construct a vector by appending one vector to another vector.
BlockFieldMatrix(Field<T> field, int rows, int columns)	Create a new matrix with the supplied row and column dimensions.
SparseFieldMatrix(Field<T> field)	Create a matrix with no data.
SparseFieldMatrix(Field<T> field, int rowDimension, int columnDimension)	Create a new SparseFieldMatrix<T> with the supplied row and column dimensions.
SparseFieldVector(Field<T> field)	Build a 0-length vector.
SparseFieldVector(Field<T> field, int dimension)	Construct a vector of zeroes.
SparseFieldVector(Field<T> field, int dimension, int expectedSize)	Build a vector with known the sparseness (for advanced use only).
SparseFieldVector(Field<T> field, T[] values)	Create from a Field array.

Uses of Field in org.apache.commons.math4.util

Classes in org.apache.commons.math4.util that implement Field

Modifier and Type	Class	Description
class	BigRealField	Representation of real numbers with arbitrary precision field.
class	Decimal64Field	The field of double precision floating-point numbers.

Methods in org.apache.commons.math4.util that return Field

Modifier and Type	Method	Description
Field<BigReal>	BigReal.getField()	Get the Field to which the instance belongs.
Field<Decimal64>	Decimal64.getField()	Get the Field to which the instance belongs.

Methods in org.apache.commons.math4.util with parameters of type Field

Modifier and Type	Method	Description
static <T> T[]	MathArrays.buildArray(Field<T> field, int length)	Build an array of elements.
static <T> T[][]	MathArrays.buildArray(Field<T> field, int rows, int columns)	Build a double dimension array of elements.

Constructors in org.apache.commons.math4.util with parameters of type Field

Constructor	Description
OpenIntToFieldHashMap(Field<T> field)	Build an empty map with default size and using zero for missing entries.
OpenIntToFieldHashMap(Field<T> field, int expectedSize)	Build an empty map with specified size and using zero for missing entries.
OpenIntToFieldHashMap(Field<T> field, int expectedSize, T missingEntries)	Build an empty map with specified size.
OpenIntToFieldHashMap(Field<T> field, T missingEntries)	Build an empty map with default size