csli.util.math.matrix
Class ArrayMatrix

java.lang.Object
  java.util.AbstractCollection<Double>
      csli.util.math.matrix.AbstractMatrix
          csli.util.math.matrix.ArrayMatrix

All Implemented Interfaces:

Matrix, Iterable<Double>, Collection<Double>

public class ArrayMatrix
extends AbstractMatrix

Matrix implementation as a 2D array.

Author:

jefe

Nested Class Summary

Nested classes/interfaces inherited from interface csli.util.math.matrix.Matrix

Matrix.SingularMatrixException

Constructor Summary

ArrayMatrix(double[][] data)
Create a Matrix from a 2D array.

ArrayMatrix(int dim)
Create a square matrix of dimension dim, filled with zeros.

ArrayMatrix(int m, int n)
Create an m x n matrix filled with zeros.

ArrayMatrix(int m, int n, double... args)
Create an m x n matrix from data given as arguments.

ArrayMatrix(Matrix M)
Create a new ArrayMatrix by copying the contents of another matrix.

Method Summary

double	get(int i, int j)
static void	main(String[] args) Matrix test.
int	numCols()
int	numRows()
void	set(int i, int j, double val)

Methods inherited from class csli.util.math.matrix.AbstractMatrix

add, addIP, appendRight, cols, equals, fill, getCol, getRow, inverse, isIdentity, isZero, iterator, leftDivide, multiply, multiply, multiplyIP, ref, rows, rref, setCol, setDiag, setRow, size, submatrix, submatrix, subtract, subtractIP, toString, transpose

Methods inherited from class java.util.AbstractCollection

add, addAll, clear, contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Collection

add, addAll, clear, contains, containsAll, hashCode, isEmpty, remove, removeAll, retainAll, toArray, toArray

Constructor Detail

ArrayMatrix

public ArrayMatrix(double[][] data)

Create a Matrix from a 2D array. Assumes every row of data has the same length.

Parameters:

data -

ArrayMatrix

public ArrayMatrix(int dim)

Create a square matrix of dimension dim, filled with zeros.

Parameters:

dim -

ArrayMatrix

public ArrayMatrix(int m,
                   int n)

Create an m x n matrix filled with zeros.

Parameters:

m -

n -

ArrayMatrix

public ArrayMatrix(int m,
                   int n,
                   double... args)

Create an m x n matrix from data given as arguments.

Parameters:

m -

n -

args -

ArrayMatrix

public ArrayMatrix(Matrix M)

Create a new ArrayMatrix by copying the contents of another matrix.

Parameters:

M -

Method Detail

get

public double get(int i,
                  int j)

set

public void set(int i,
                int j,
                double val)

Specified by:

set in interface Matrix

Overrides:

set in class AbstractMatrix

numRows

public int numRows()

numCols

public int numCols()

main

public static void main(String[] args)
                 throws Matrix.SingularMatrixException

Matrix test.

Parameters:

args -

Throws:

Matrix.SingularMatrixException