Java Doc for DoubleMatrix.java in  » Science » JSci » JSci » maths » matrices » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Science » JSci » JSci.maths.matrices   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    JSci.maths.matrices.Matrix       JSci.maths.matrices.AbstractDoubleMatrix          JSci.maths.matrices.DoubleMatrix DoubleMatrix public class DoubleMatrix extends AbstractDoubleMatrix (Code) The DoubleMatrix class provides an object for encapsulating double matrices. version:    2.2 author:    Mark Hale Field Summary final protected  double matrix      Array containing the elements of the matrix. Constructor Summary public   DoubleMatrix(double array)      Constructs a matrix by wrapping an array. public   DoubleMatrix(int rows, int cols)      Constructs an empty matrix. public   DoubleMatrix(AbstractDoubleVector array)      Constructs a matrix from an array of vectors (columns). Method Summary public  AbstractDoubleMatrix add(AbstractDoubleMatrix m)      Returns the addition of this matrix and another. public  AbstractDoubleMatrix directSum(AbstractDoubleMatrix m)      Returns the direct sum of this matrix and another. public  boolean equals(AbstractDoubleMatrix m, double tol)      Compares two ${nativeTyp} matrices for equality. public  double frobeniusNorm()      Returns the Frobenius or Hilbert-Schmidt (l2) norm. public  double getElement(int i, int j)      Returns an element of the matrix. public  double infNorm()      Returns the l-norm. public  AbstractDoubleMatrix mapElements(Mapping f)      Applies a function on all the matrix elements. public  AbstractDoubleVector multiply(AbstractDoubleVector v)      Returns the multiplication of a vector by this matrix. public  AbstractDoubleMatrix multiply(AbstractDoubleMatrix m)      Returns the multiplication of this matrix and another. public  AbstractDoubleMatrix multiply(DoubleMatrix m)      public  AbelianGroup.Member negate()      Returns the negative of this matrix. public  AbstractDoubleMatrix scalarDivide(double x)      Returns the division of this matrix by a scalar. Parameters:   x - a double. public  AbstractDoubleMatrix scalarMultiply(double x)      Returns the multiplication of this matrix by a scalar. Parameters:   x - a double. public  double scalarProduct(AbstractDoubleMatrix m)      Returns the scalar product of this matrix and another. public  double scalarProduct(DoubleMatrix m)      public  void setElement(int i, int j, double x)      Sets the value of an element of the matrix. public  AbstractDoubleMatrix subtract(AbstractDoubleMatrix m)      Returns the subtraction of this matrix by another. public  AbstractDoubleMatrix tensor(AbstractDoubleMatrix m)      Returns the tensor product of this matrix and another. public  AbstractComplexMatrix toComplexMatrix()      Converts this matrix to a complex matrix. public  AbstractIntegerMatrix toIntegerMatrix()      Converts this matrix to an integer matrix. public  String toString()      Returns a string representing this matrix. public  Matrix transpose()      Returns the transpose of this matrix. Field Detail matrix final protected double matrix(Code) Array containing the elements of the matrix. Constructor Detail DoubleMatrix public DoubleMatrix(double array)(Code) Constructs a matrix by wrapping an array. Parameters:   array - an assigned value DoubleMatrix public DoubleMatrix(int rows, int cols)(Code) Constructs an empty matrix. DoubleMatrix public DoubleMatrix(AbstractDoubleVector array)(Code) Constructs a matrix from an array of vectors (columns). Parameters:   array - an assigned value Method Detail add public AbstractDoubleMatrix add(AbstractDoubleMatrix m)(Code) Returns the addition of this matrix and another. Parameters:   m - a double matrix exception:   MatrixDimensionException - If the matrices are different sizes. directSum public AbstractDoubleMatrix directSum(AbstractDoubleMatrix m)(Code) Returns the direct sum of this matrix and another. equals public boolean equals(AbstractDoubleMatrix m, double tol)(Code) Compares two ${nativeTyp} matrices for equality. Parameters:   m - a double matrix frobeniusNorm public double frobeniusNorm()(Code) Returns the Frobenius or Hilbert-Schmidt (l2) norm. getElement public double getElement(int i, int j)(Code) Returns an element of the matrix. Parameters:   i - row index of the element Parameters:   j - column index of the element exception:   MatrixDimensionException - If attempting to access an invalid element. infNorm public double infNorm()(Code) Returns the l-norm. author:    Taber Smith mapElements public AbstractDoubleMatrix mapElements(Mapping f)(Code) Applies a function on all the matrix elements. Parameters:   f - a user-defined function a double matrix multiply public AbstractDoubleVector multiply(AbstractDoubleVector v)(Code) Returns the multiplication of a vector by this matrix. Parameters:   v - a double vector. exception:   DimensionException - If the matrix and vector are incompatible. multiply public AbstractDoubleMatrix multiply(AbstractDoubleMatrix m)(Code) Returns the multiplication of this matrix and another. Parameters:   m - a double matrix a AbstractDoubleMatrix or a AbstractDoubleSquareMatrix as appropriate exception:   MatrixDimensionException - If the matrices are incompatible. multiply public AbstractDoubleMatrix multiply(DoubleMatrix m)(Code) negate public AbelianGroup.Member negate()(Code) Returns the negative of this matrix. scalarDivide public AbstractDoubleMatrix scalarDivide(double x)(Code) Returns the division of this matrix by a scalar. Parameters:   x - a double. a double matrix. scalarMultiply public AbstractDoubleMatrix scalarMultiply(double x)(Code) Returns the multiplication of this matrix by a scalar. Parameters:   x - a double. a double matrix. scalarProduct public double scalarProduct(AbstractDoubleMatrix m)(Code) Returns the scalar product of this matrix and another. Parameters:   m - a double matrix. exception:   MatrixDimensionException - If the matrices are different sizes. scalarProduct public double scalarProduct(DoubleMatrix m)(Code) setElement public void setElement(int i, int j, double x)(Code) Sets the value of an element of the matrix. Should only be used to initialise this matrix. Parameters:   i - row index of the element Parameters:   j - column index of the element Parameters:   x - a number exception:   MatrixDimensionException - If attempting to access an invalid element. subtract public AbstractDoubleMatrix subtract(AbstractDoubleMatrix m)(Code) Returns the subtraction of this matrix by another. Parameters:   m - a double matrix exception:   MatrixDimensionException - If the matrices are different sizes. tensor public AbstractDoubleMatrix tensor(AbstractDoubleMatrix m)(Code) Returns the tensor product of this matrix and another. toComplexMatrix public AbstractComplexMatrix toComplexMatrix()(Code) Converts this matrix to a complex matrix. a complex matrix toIntegerMatrix public AbstractIntegerMatrix toIntegerMatrix()(Code) Converts this matrix to an integer matrix. an integer matrix toString public String toString()(Code) Returns a string representing this matrix. transpose public Matrix transpose()(Code) Returns the transpose of this matrix. a double matrix Methods inherited from JSci.maths.matrices.AbstractDoubleMatrix final public AbelianGroup.Member add(AbelianGroup.Member m)(Code)(Java Doc) public AbstractDoubleMatrix add(AbstractDoubleMatrix m)(Code)(Java Doc) public AbstractDoubleMatrix directSum(AbstractDoubleMatrix m)(Code)(Java Doc) final public boolean equals(Object obj)(Code)(Java Doc) final public boolean equals(AbstractDoubleMatrix m)(Code)(Java Doc) public boolean equals(AbstractDoubleMatrix m, double tol)(Code)(Java Doc) public double frobeniusNorm()(Code)(Java Doc) abstract public double getElement(int i, int j)(Code)(Java Doc) final public Object getSet()(Code)(Java Doc) public int hashCode()(Code)(Java Doc) public double infNorm()(Code)(Java Doc) public AbstractDoubleMatrix mapElements(Mapping f)(Code)(Java Doc) public AbstractDoubleVector multiply(AbstractDoubleVector v)(Code)(Java Doc) final public Ring.Member multiply(Ring.Member m)(Code)(Java Doc) public AbstractDoubleMatrix multiply(AbstractDoubleMatrix m)(Code)(Java Doc) public AbelianGroup.Member negate()(Code)(Java Doc) final public VectorSpace.Member scalarDivide(Field.Member x)(Code)(Java Doc) public AbstractDoubleMatrix scalarDivide(double x)(Code)(Java Doc) final public Module.Member scalarMultiply(Ring.Member x)(Code)(Java Doc) public AbstractDoubleMatrix scalarMultiply(double x)(Code)(Java Doc) public double scalarProduct(AbstractDoubleMatrix m)(Code)(Java Doc) abstract public void setElement(int i, int j, double x)(Code)(Java Doc) final public AbelianGroup.Member subtract(AbelianGroup.Member m)(Code)(Java Doc) public AbstractDoubleMatrix subtract(AbstractDoubleMatrix m)(Code)(Java Doc) public AbstractDoubleMatrix tensor(AbstractDoubleMatrix m)(Code)(Java Doc) public AbstractComplexMatrix toComplexMatrix()(Code)(Java Doc) public AbstractIntegerMatrix toIntegerMatrix()(Code)(Java Doc) public String toString()(Code)(Java Doc) public Matrix transpose()(Code)(Java Doc) Fields inherited from JSci.maths.matrices.Matrix final protected int numCols(Code)(Java Doc) final protected int numRows(Code)(Java Doc) Methods inherited from JSci.maths.matrices.Matrix final public int columns()(Code)(Java Doc) protected static String getInvalidElementMsg(int i, int j)(Code)(Java Doc) final public int rows()(Code)(Java Doc) abstract public Matrix transpose()(Code)(Java Doc) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)