org.ejml.ops
Class MatrixIO

java.lang.Object
  org.ejml.ops.MatrixIO

public class MatrixIO
extends Object

Provides simple to use routines for reading and writing matrices to and from files.

Author:

Peter Abeles

Constructor Summary

MatrixIO()

Method Summary

static <T extends Matrix64F> T	loadBin(String fileName) Loads a DeneMatrix64F which has been saved to file using Java binary serialization.
static DenseMatrix64F	loadCSV(String fileName) Reads a matrix in which has been encoded using a Column Space Value (CSV) file format.
static DenseMatrix64F	loadCSV(String fileName, int numRows, int numCols) Reads a matrix in which has been encoded using a Column Space Value (CSV) file format.
static void	print(PrintStream out, Matrix64F mat)
static void	print(PrintStream out, Matrix64F mat, int numChar, int precision)
static void	print(PrintStream out, Matrix64F mat, String format)
static void	print(PrintStream out, Matrix64F mat, String format, int row0, int row1, int col0, int col1)
static void	saveBin(Matrix64F A, String fileName) Saves a matrix to disk using Java binary serialization.
static void	saveCSV(Matrix64F A, String fileName) Saves a matrix to disk using in a Column Space Value (CSV) format.

Methods inherited from class java.lang.Object

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

Constructor Detail

MatrixIO

public MatrixIO()

Method Detail

saveBin

public static void saveBin(Matrix64F A,
                           String fileName)
                    throws IOException

Saves a matrix to disk using Java binary serialization.

Parameters:

A - The matrix being saved.

fileName - Name of the file its being saved at.

Throws:

IOException

loadBin

public static <T extends Matrix64F> T loadBin(String fileName)
                                   throws IOException

Loads a DeneMatrix64F which has been saved to file using Java binary serialization.

Parameters:

fileName - The file being loaded.

Returns:

DenseMatrix64F

Throws:

IOException

saveCSV

public static void saveCSV(Matrix64F A,
                           String fileName)
                    throws IOException

Saves a matrix to disk using in a Column Space Value (CSV) format. For a description of the format see loadCSV(String).

Parameters:

A - The matrix being saved.

fileName - Name of the file its being saved at.

Throws:

IOException

loadCSV

public static DenseMatrix64F loadCSV(String fileName)
                              throws IOException

Reads a matrix in which has been encoded using a Column Space Value (CSV) file format. The number of rows and columns are read in on the first line. Then each row is read in the subsequent lines.

Parameters:

fileName - The file being loaded.

Returns:

DenseMatrix64F

Throws:

IOException

loadCSV

public static DenseMatrix64F loadCSV(String fileName,
                                     int numRows,
                                     int numCols)
                              throws IOException

Reads a matrix in which has been encoded using a Column Space Value (CSV) file format. For a description of the format see loadCSV(String).

Parameters:

fileName - The file being loaded.

numRows - number of rows in the matrix.

numCols - number of columns in the matrix.

Returns:

DenseMatrix64F

Throws:

IOException

print

public static void print(PrintStream out,
                         Matrix64F mat)

print

public static void print(PrintStream out,
                         Matrix64F mat,
                         int numChar,
                         int precision)

print

public static void print(PrintStream out,
                         Matrix64F mat,
                         String format)

print

public static void print(PrintStream out,
                         Matrix64F mat,
                         String format,
                         int row0,
                         int row1,
                         int col0,
                         int col1)