Package edu.cmu.tetrad.study.gene.tetrad.gene.algorithm.util

Class SymMatrix

java.lang.Object

edu.cmu.tetrad.study.gene.tetrad.gene.algorithm.util.BasicMatrix

edu.cmu.tetrad.study.gene.tetrad.gene.algorithm.util.BasicLTMatrix

edu.cmu.tetrad.study.gene.tetrad.gene.algorithm.util.LTMatrix

edu.cmu.tetrad.study.gene.tetrad.gene.algorithm.util.SymMatrix

public class SymMatrix
extends LTMatrix

Implements a space-efficient symmetric matrix (of elements of type short), storing only the lower triangular portion of it

Version:

$Id: $Id

Author:

Raul Saavedra (rsaavedr@ai.uwf.edu)

Field Summary

Fields inherited from class edu.cmu.tetrad.study.gene.tetrad.gene.algorithm.util.BasicMatrix

MAX_FLOAT, MAX_INT, MAX_SHORT, MIN_FLOAT, MIN_INT, MIN_SHORT

Constructor Summary

Constructors

Constructor	Description
SymMatrix(String fname)	Creates a symmetric matrix reading it from file fname.
SymMatrix(String mname, int nrows)	Creates a symmetric matrix with nrows rows.

Method Summary

Modifier and Type	Method	Description
short	getValue(int row, int col)	Returns element (r,c)
void	setValue(int row, int col, int x)	Sets the value of element (row,col) to x
void	setValue(int row, int col, short x)	Assigns short x to matrix element (r, c)
String	toString()	Returns a specially formatted string with all the contents of this matrix

Methods inherited from class edu.cmu.tetrad.study.gene.tetrad.gene.algorithm.util.LTMatrix

getDoubleValue, setAllValuesToZero, setDoubleValue

Methods inherited from class edu.cmu.tetrad.study.gene.tetrad.gene.algorithm.util.BasicMatrix

getName, getSize, setName

Methods inherited from class java.lang.Object

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

Constructor Details

SymMatrix

public SymMatrix(String mname,
 int nrows)

Creates a symmetric matrix with nrows rows.

Parameters:

mname - a String object

nrows - a int

SymMatrix

public SymMatrix(String fname)
          throws IOException

Creates a symmetric matrix reading it from file fname.

Parameters:

fname - a String object

Throws:

IOException - if any.

Method Details

setValue

public void setValue(int row,
 int col,
 int x)

Sets the value of element (row,col) to x

Overrides:

setValue in class LTMatrix

Parameters:

row - a int

col - a int

x - a int

setValue

public void setValue(int row,
 int col,
 short x)

Assigns short x to matrix element (r, c)

Sets the value of element (row,col) to x

Overrides:

setValue in class LTMatrix

Parameters:

row - a int

col - a int

x - a short

getValue

public short getValue(int row,
 int col)

Returns element (r,c)

Returns the value of element at (row,col)

Overrides:

getValue in class LTMatrix

Parameters:

row - a int

col - a int

Returns:

a short

toString

public String toString()

Returns a specially formatted string with all the contents of this matrix

Overrides:

toString in class LTMatrix

Returns:

a String object