Package jline.util

Class MatFileUtils

java.lang.Object

jline.util.MatFileUtils

public class MatFileUtils
extends Object

Utility class for saving matrices and workspaces to MATLAB .mat files using the MFL (MATLAB File Library) for Java.

Constructor Summary

Constructors

Constructor	Description
MatFileUtils()

Method Summary

Modifier and Type	Method	Description
static void	ensureDirectoryExists(String filename)	Ensures the directory exists for the given filename
static void	ensureWorkspaceDirectoryExists()	Ensures the appropriate workspace directory exists
static String	genFilename(String prefix)	Generates a timestamp-based filename for .mat files in the appropriate workspace directory
static String	getWorkspaceDirectory()	Determines the appropriate workspace directory based on the runtime context
static void	saveCTMCWorkspace(Matrix stateSpace, Matrix infGen, Matrix pi, String filename)	Saves CTMC solver workspace to a .mat file
static void	saveMatrix(Matrix matrix, String variableName, String filename)	Saves a single matrix to a .mat file
static void	saveWorkspace(Map<String,Matrix> matrices, String filename)	Saves multiple matrices to a .mat file as a workspace

Methods inherited from class java.lang.Object

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

Constructor Details

MatFileUtils

public MatFileUtils()

Method Details

saveMatrix

public static void saveMatrix(Matrix matrix,
 String variableName,
 String filename)
                       throws IOException

Saves a single matrix to a .mat file

Parameters:

matrix - The matrix to save

variableName - The name of the variable in the .mat file

filename - The output filename

Throws:

IOException - if file writing fails

saveWorkspace

public static void saveWorkspace(Map<String,Matrix> matrices,
 String filename)
                          throws IOException

Saves multiple matrices to a .mat file as a workspace

Parameters:

matrices - Map of variable names to matrices

filename - The output filename

Throws:

IOException - if file writing fails

saveCTMCWorkspace

public static void saveCTMCWorkspace(Matrix stateSpace,
 Matrix infGen,
 Matrix pi,
 String filename)
                              throws IOException

Saves CTMC solver workspace to a .mat file

Parameters:

stateSpace - The state space matrix

infGen - The infinitesimal generator matrix

pi - The steady-state probability vector

filename - The output filename

Throws:

IOException - if file writing fails

genFilename

public static String genFilename(String prefix)

Generates a timestamp-based filename for .mat files in the appropriate workspace directory

Parameters:

prefix - The prefix for the filename

Returns:

A filename with timestamp in the appropriate workspace directory

getWorkspaceDirectory

public static String getWorkspaceDirectory()

Determines the appropriate workspace directory based on the runtime context

Returns:

The workspace directory path relative to the JAR location

ensureDirectoryExists

public static void ensureDirectoryExists(String filename)
                                  throws IOException

Ensures the directory exists for the given filename

Parameters:

filename - The filename to create directory for

Throws:

IOException - if directory creation fails

ensureWorkspaceDirectoryExists

public static void ensureWorkspaceDirectoryExists()
                                           throws IOException

Ensures the appropriate workspace directory exists

Throws:

IOException - if directory creation fails