Java Doc for DoubleSparseMatrix.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.DoubleSparseMatrix DoubleSparseMatrix final public class DoubleSparseMatrix extends AbstractDoubleMatrix (Code) The DoubleSparseMatrix class provides an object for encapsulating sparse matrices. Uses compressed row storage. version:    1.2 author:    Mark Hale Constructor Summary public   DoubleSparseMatrix(int rowCount, int colCount)      Constructs an empty matrix. public   DoubleSparseMatrix(double array)      Constructs a matrix from an array. Method Summary public  AbstractDoubleMatrix add(AbstractDoubleMatrix m)      Returns the addition of this matrix and another. public  DoubleMatrix add(DoubleMatrix m)      public  DoubleSparseMatrix add(DoubleSparseMatrix m)      Returns the addition of this matrix and another. public  boolean equals(AbstractDoubleMatrix m, double tol)      Compares two double sparse matrices for equality. final public  boolean equals(DoubleSparseMatrix m)      public  boolean equals(DoubleSparseMatrix m, double tol)      public  double frobeniusNorm()      Returns the Frobenius (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  AbstractDoubleMatrix multiply(DoubleSparseMatrix m)      Returns the multiplication of this matrix and another. public  AbstractDoubleMatrix scalarDivide(double x)      public  AbstractDoubleMatrix scalarMultiply(double x)      Returns the multiplication of this matrix by a scalar. 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 and another. public  DoubleMatrix subtract(DoubleMatrix m)      public  DoubleSparseMatrix subtract(DoubleSparseMatrix m)      Returns the addition 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. Constructor Detail DoubleSparseMatrix public DoubleSparseMatrix(int rowCount, int colCount)(Code) Constructs an empty matrix. Parameters:   rowCount - the number of rows Parameters:   colCount - the number of columns DoubleSparseMatrix public DoubleSparseMatrix(double array)(Code) Constructs a matrix from an array. 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. add public DoubleMatrix add(DoubleMatrix m)(Code) add public DoubleSparseMatrix add(DoubleSparseMatrix m)(Code) Returns the addition of this matrix and another. Parameters:   m - a double sparse matrix exception:   MatrixDimensionException - If the matrices are different sizes. equals public boolean equals(AbstractDoubleMatrix m, double tol)(Code) Compares two double sparse matrices for equality. Parameters:   m - a double matrix equals final public boolean equals(DoubleSparseMatrix m)(Code) equals public boolean equals(DoubleSparseMatrix m, double tol)(Code) frobeniusNorm public double frobeniusNorm()(Code) Returns the Frobenius (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. mapElements public AbstractDoubleMatrix mapElements(Mapping f)(Code) Applies a function on all the matrix elements. Parameters:   f - a user-defined function a double sparse 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 exception:   MatrixDimensionException - If the matrices are incompatible. multiply public AbstractDoubleMatrix multiply(DoubleMatrix m)(Code) multiply public AbstractDoubleMatrix multiply(DoubleSparseMatrix m)(Code) Returns the multiplication of this matrix and another. Parameters:   m - a double sparse matrix exception:   MatrixDimensionException - If the matrices are incompatible. scalarDivide public AbstractDoubleMatrix scalarDivide(double x)(Code) scalarMultiply public AbstractDoubleMatrix scalarMultiply(double x)(Code) Returns the multiplication of this matrix by a scalar. Parameters:   x - a double a double sparse 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. 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 and another. Parameters:   m - a double matrix exception:   MatrixDimensionException - If the matrices are different sizes. subtract public DoubleMatrix subtract(DoubleMatrix m)(Code) subtract public DoubleSparseMatrix subtract(DoubleSparseMatrix m)(Code) Returns the addition of this matrix and another. Parameters:   m - a double sparse matrix exception:   MatrixDimensionException - If the matrices are different sizes. 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 sparse 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)