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Java Source Code / Java Documentation » Science » jscience 4.3.1 » org.jscience.mathematics.vector

Source Cross Reference Class Diagram Java Document (Java Doc)

org.jscience.mathematics.vector .Float64Matrix

Float64Matrix

final public class Float64Matrix extends Matrix (Code)

This class represents an optimized Matrix matrix implementation for Float64 64 bits floating-point numbers.

Instances of this class can be created from Float64Vector , either as rows or columns if the matrix is transposed. For example:[code] Float64Vector column0 = Float64Vector.valueOf(...); Float64Vector column1 = Float64Vector.valueOf(...); Float64Matrix M = Float64Matrix.valueOf(column0, column1).transpose(); [/code]

author:
Jean-Marie Dautelle
version:
3.3, January 2, 2007

Field Summary
int	_n Holds the number of columns n.
final FastTable<Float64Vector>	_rows Holds this matrix rows (or columns when transposed).
boolean	_transposed Indicates if this matrix is transposed (the rows are then the columns).

Method Summary
public Float64Matrix	adjoint()
public Float64	cofactor(int i, int j)
public Float64Matrix	copy()
public Float64	determinant()
public Float64	get(int i, int j)
public Float64Vector	getColumn(int j)
public Float64Vector	getDiagonal()
public int	getNumberOfColumns()
public int	getNumberOfRows()
public Float64Vector	getRow(int i)
public Float64Matrix	inverse()
public Float64Matrix	minus(Matrix<Float64> that)
static Float64Matrix	newInstance(int n, boolean transposed)
public Float64Matrix	opposite()
public Float64Matrix	plus(Matrix<Float64> that)
public Float64Matrix	tensor(Matrix<Float64> that)
public Float64Matrix	times(Float64 k)
public Float64Vector	times(Vector<Float64> v)
public Float64Matrix	times(Matrix<Float64> that)
public Float64Matrix	transpose()
public static Float64Matrix	valueOf(double[][] values) Returns a dense matrix from a 2-dimensional array of `double` values.
public static Float64Matrix	valueOf(Float64Vector... rows) Returns a complex matrix holding the specified row vectors (column vectors if Float64Matrix.transpose transposed ). Parameters: rows - the row vectors.
public static Float64Matrix	valueOf(List<Float64Vector> rows) Returns a complex matrix holding the row vectors from the specified collection (column vectors if Float64Matrix.transpose transposed ). Parameters: rows - the list of row vectors.
public static Float64Matrix	valueOf(Matrix<Float64> that) Returns a complex matrix equivalent to the specified matrix. Parameters: that - the matrix to convert.
public Float64Vector	vectorization()

Field Detail

_n
int _n(Code)
	Holds the number of columns n.

_rows
final FastTable<Float64Vector> _rows(Code)
	Holds this matrix rows (or columns when transposed).

_transposed
boolean _transposed(Code)
	Indicates if this matrix is transposed (the rows are then the columns).

Method Detail

adjoint
public Float64Matrix adjoint()(Code)

cofactor
public Float64 cofactor(int i, int j)(Code)

copy
public Float64Matrix copy()(Code)

determinant
public Float64 determinant()(Code)

get
public Float64 get(int i, int j)(Code)

getColumn
public Float64Vector getColumn(int j)(Code)

getDiagonal
public Float64Vector getDiagonal()(Code)

getNumberOfColumns
public int getNumberOfColumns()(Code)

getNumberOfRows
public int getNumberOfRows()(Code)

getRow
public Float64Vector getRow(int i)(Code)

inverse
public Float64Matrix inverse()(Code)

minus
public Float64Matrix minus(Matrix<Float64> that)(Code)

newInstance
static Float64Matrix newInstance(int n, boolean transposed)(Code)

opposite
public Float64Matrix opposite()(Code)

plus
public Float64Matrix plus(Matrix<Float64> that)(Code)

tensor
public Float64Matrix tensor(Matrix<Float64> that)(Code)

times
public Float64Matrix times(Float64 k)(Code)

times
public Float64Vector times(Vector<Float64> v)(Code)

times
public Float64Matrix times(Matrix<Float64> that)(Code)

transpose
public Float64Matrix transpose()(Code)

valueOf
public static Float64Matrix valueOf(double[][] values)(Code)
	Returns a dense matrix from a 2-dimensional array of `double` values. The first dimension being the row and the second being the column. Parameters: values - the array of `double` values. the matrix having the specified elements. throws: DimensionException - if rows have different length. See Also: Float64Vector See Also:

valueOf
public static Float64Matrix valueOf(Float64Vector... rows)(Code)
	Returns a complex matrix holding the specified row vectors (column vectors if Float64Matrix.transpose transposed ). Parameters: rows - the row vectors. the matrix having the specified rows. throws: DimensionException - if the rows do not have the same dimension.

valueOf
public static Float64Matrix valueOf(List<Float64Vector> rows)(Code)
	Returns a complex matrix holding the row vectors from the specified collection (column vectors if Float64Matrix.transpose transposed ). Parameters: rows - the list of row vectors. the matrix having the specified rows. throws: DimensionException - if the rows do not have the same dimension.

valueOf
public static Float64Matrix valueOf(Matrix<Float64> that)(Code)
	Returns a complex matrix equivalent to the specified matrix. Parameters: that - the matrix to convert. `that` or a complex matrix holding the same elementsas the specified matrix.

vectorization
public Float64Vector vectorization()(Code)

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