graph.math

Class Matrix

java.lang.Object

graph.math.Matrix

public class Matrix
extends java.lang.Object

Class represents a mathematical matrix

Author:

Renata

Constructor Summary

Constructors

Constructor and Description
Matrix(int rows, int columns) Constructs an empty matrix with the given number of row and columns

Method Summary

Modifier and Type	Method and Description
double[]	get(int row) Returns contents of a row of the matrix
double	get(int row, int column) Returns the value of a particular cell of the matrix
void	printMatrix() Prints the matrix
void	set(int row, int column, double value) Sets value of a particular cell of the matrix
double[][]	values()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Matrix

public Matrix(int rows,
              int columns)

Constructs an empty matrix with the given number of row and columns

Parameters:

rows - Number of rows

columns - Number of columns

Method Detail

set

public void set(int row,
                int column,
                double value)

Sets value of a particular cell of the matrix

Parameters:

row - Row number

column - Column number

value - Value to set

get

public double get(int row,
                  int column)

Returns the value of a particular cell of the matrix

Parameters:

row - Row number

column - Column number

Returns:

Value of the cell at [row][@{code column}]

get

public double[] get(int row)

Returns contents of a row of the matrix

Parameters:

row - Row number

Returns:

Content of row with index row

values

public double[][] values()

Returns:

Content of the matrix

printMatrix

public void printMatrix()

Prints the matrix