Index: lutinmatrix/src/java/org/codelutin/math/matrix/AbstractMatrixND.java
diff -u lutinmatrix/src/java/org/codelutin/math/matrix/AbstractMatrixND.java:1.7 lutinmatrix/src/java/org/codelutin/math/matrix/AbstractMatrixND.java:1.8
--- lutinmatrix/src/java/org/codelutin/math/matrix/AbstractMatrixND.java:1.7	Fri Jan 13 16:55:30 2006
+++ lutinmatrix/src/java/org/codelutin/math/matrix/AbstractMatrixND.java	Mon Jan 23 13:50:05 2006
@@ -23,9 +23,9 @@
  * Created: 29 oct. 2004
  *
  * @author Benjamin Poussin <poussin@codelutin.com>
- * @version $Revision: 1.7 $
+ * @version $Revision: 1.8 $
  *
- * Mise a jour: $Date: 2006/01/13 16:55:30 $
+ * Mise a jour: $Date: 2006/01/23 13:50:05 $
  * par : $Author: bpoussin $
  */
 
@@ -46,13 +46,13 @@
     abstract public double getValue(int [] coordinates);
     abstract public void setValue(int [] coordinates, double d);
 
-    protected DimensionHelper dimHelper = new DimensionHelper();
+    transient protected DimensionHelper dimHelper = new DimensionHelper();
 
-    protected MatrixFactory factory = null;
-    protected int [] dim = null;
-    protected List[] semantics = null;
+    transient protected MatrixFactory factory = null;
     protected String name = "";
     protected String [] dimNames = null;
+    protected int [] dim = null;
+    protected List[] semantics = null;
     protected double defaultValue = 0;
 
     protected void init(int [] dim){

Index: lutinmatrix/src/java/org/codelutin/math/matrix/FloatBigVector.java
diff -u lutinmatrix/src/java/org/codelutin/math/matrix/FloatBigVector.java:1.1 lutinmatrix/src/java/org/codelutin/math/matrix/FloatBigVector.java:1.2
--- lutinmatrix/src/java/org/codelutin/math/matrix/FloatBigVector.java:1.1	Fri Oct 21 14:27:23 2005
+++ lutinmatrix/src/java/org/codelutin/math/matrix/FloatBigVector.java	Mon Jan 23 13:50:05 2006
@@ -23,23 +23,18 @@
  * Created: 6 octobre 2005 02:54:36 CEST
  *
  * @author Benjamin POUSSIN <poussin@codelutin.com>
- * @version $Revision: 1.1 $
+ * @version $Revision: 1.2 $
  *
- * Last update: $Date: 2005/10/21 14:27:23 $
+ * Last update: $Date: 2006/01/23 13:50:05 $
  * by : $Author: bpoussin $
  */
 
 package org.codelutin.math.matrix;
 
 import java.util.Arrays;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 
 public class FloatBigVector implements Vector { // FloatBigVector
 
-    /** to use log facility, just put in your code: log.info(\"...\"); */
-    static private Log log = LogFactory.getLog(FloatBigVector.class);
-
     protected float data[] = null;
 
     public FloatBigVector(int capacity){

Index: lutinmatrix/src/java/org/codelutin/math/matrix/FloatVector.java
diff -u lutinmatrix/src/java/org/codelutin/math/matrix/FloatVector.java:1.1 lutinmatrix/src/java/org/codelutin/math/matrix/FloatVector.java:1.2
--- lutinmatrix/src/java/org/codelutin/math/matrix/FloatVector.java:1.1	Fri Oct 21 14:27:23 2005
+++ lutinmatrix/src/java/org/codelutin/math/matrix/FloatVector.java	Mon Jan 23 13:50:05 2006
@@ -23,18 +23,17 @@
  * Created: 6 octobre 2005 01:29:23 CEST
  *
  * @author Benjamin POUSSIN <poussin@codelutin.com>
- * @version $Revision: 1.1 $
+ * @version $Revision: 1.2 $
  *
- * Last update: $Date: 2005/10/21 14:27:23 $
+ * Last update: $Date: 2006/01/23 13:50:05 $
  * by : $Author: bpoussin $
  */
 
 package org.codelutin.math.matrix;
 
 import java.util.Arrays;
+
 import org.apache.commons.collections.primitives.ArrayFloatList;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 
 /**
 * Permet de stocker des données à une position lineair et de la redemander
@@ -45,9 +44,6 @@
 */
 public class FloatVector implements Vector { // FloatVector
 
-    /** to use log facility, just put in your code: log.info(\"...\"); */
-    static private Log log = LogFactory.getLog(FloatVector.class);
-
     /** maximum number of element, maximum pos value */
     protected int capacity = 0;
 

Index: lutinmatrix/src/java/org/codelutin/math/matrix/MatrixDecoder.java
diff -u lutinmatrix/src/java/org/codelutin/math/matrix/MatrixDecoder.java:1.1.1.1 lutinmatrix/src/java/org/codelutin/math/matrix/MatrixDecoder.java:1.2
--- lutinmatrix/src/java/org/codelutin/math/matrix/MatrixDecoder.java:1.1.1.1	Tue Nov  2 16:25:31 2004
+++ lutinmatrix/src/java/org/codelutin/math/matrix/MatrixDecoder.java	Mon Jan 23 13:50:05 2006
@@ -23,9 +23,9 @@
  * Created: 21 oct. 2004
  *
  * @author Benjamin Poussin <poussin@codelutin.com>
- * @version $Revision: 1.1.1.1 $
+ * @version $Revision: 1.2 $
  *
- * Mise a jour: $Date: 2004/11/02 16:25:31 $
+ * Mise a jour: $Date: 2006/01/23 13:50:05 $
  * par : $Author: bpoussin $
  */
 
@@ -93,7 +93,7 @@
                 }
 
                 // creation du resultat
-                MatrixND result = new MatrixNDImpl(dims);
+                MatrixND result = MatrixFactory.getInstance().create(dims);
 
                 // recuperation de la valeur par defaut de la matrice
                 String defaultValueString = root.attributeValue("defaultValue");

Index: lutinmatrix/src/java/org/codelutin/math/matrix/MatrixException.java
diff -u lutinmatrix/src/java/org/codelutin/math/matrix/MatrixException.java:1.1.1.1 lutinmatrix/src/java/org/codelutin/math/matrix/MatrixException.java:1.2
--- lutinmatrix/src/java/org/codelutin/math/matrix/MatrixException.java:1.1.1.1	Tue Nov  2 16:25:31 2004
+++ lutinmatrix/src/java/org/codelutin/math/matrix/MatrixException.java	Mon Jan 23 13:50:05 2006
@@ -24,9 +24,9 @@
 * Created: Tue Jun 29 11:46:39 1999
 *
 * @author
-* @version $Revision: 1.1.1.1 $
+* @version $Revision: 1.2 $
 *
-* Mise a jour: $Date: 2004/11/02 16:25:31 $
+* Mise a jour: $Date: 2006/01/23 13:50:05 $
 * par : $Author: bpoussin $
 */
 
@@ -34,6 +34,9 @@
 
 public class MatrixException extends RuntimeException {
 
+    /**  */
+    private static final long serialVersionUID = 1917420713781767581L;
+
     public MatrixException(String s) {
         super(s);
     }

Index: lutinmatrix/src/java/org/codelutin/math/matrix/MatrixHelper.java
diff -u lutinmatrix/src/java/org/codelutin/math/matrix/MatrixHelper.java:1.7 lutinmatrix/src/java/org/codelutin/math/matrix/MatrixHelper.java:1.8
--- lutinmatrix/src/java/org/codelutin/math/matrix/MatrixHelper.java:1.7	Fri Jan 13 16:55:30 2006
+++ lutinmatrix/src/java/org/codelutin/math/matrix/MatrixHelper.java	Mon Jan 23 13:50:05 2006
@@ -23,17 +23,14 @@
  * Created: 28 oct. 2004
  *
  * @author Benjamin Poussin <poussin@codelutin.com>
- * @version $Revision: 1.7 $
+ * @version $Revision: 1.8 $
  *
- * Mise a jour: $Date: 2006/01/13 16:55:30 $
+ * Mise a jour: $Date: 2006/01/23 13:50:05 $
  * par : $Author: bpoussin $
  */
 
 package org.codelutin.math.matrix;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-
 import java.io.IOException;
 import java.io.StreamTokenizer;
 import java.io.StringReader;
@@ -41,10 +38,11 @@
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
-import java.util.Stack;
-import java.util.logging.Level;
-import java.util.logging.Logger;
 import java.util.NoSuchElementException;
+import java.util.Stack;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 import org.codelutin.xml.XMLEncoderDecoder;
 
 public class MatrixHelper {

Index: lutinmatrix/src/java/org/codelutin/math/matrix/MatrixND.java
diff -u lutinmatrix/src/java/org/codelutin/math/matrix/MatrixND.java:1.6 lutinmatrix/src/java/org/codelutin/math/matrix/MatrixND.java:1.7
--- lutinmatrix/src/java/org/codelutin/math/matrix/MatrixND.java:1.6	Fri Jan 13 16:55:30 2006
+++ lutinmatrix/src/java/org/codelutin/math/matrix/MatrixND.java	Mon Jan 23 13:50:05 2006
@@ -23,17 +23,18 @@
 * Created: 29 oct. 2004
 *
 * @author Benjamin Poussin <poussin@codelutin.com>
-* @version $Revision: 1.6 $
+* @version $Revision: 1.7 $
 *
-* Mise a jour: $Date: 2006/01/13 16:55:30 $
+* Mise a jour: $Date: 2006/01/23 13:50:05 $
 * par : $Author: bpoussin $
 */
 
 package org.codelutin.math.matrix;
 
+import java.io.Serializable;
 import java.util.List;
 
-public interface MatrixND { // MatrixND
+public interface MatrixND extends Serializable, Cloneable { // MatrixND
 
     /**
     * Retourne la factory qui a permit de creer la matrice

Index: lutinmatrix/src/java/org/codelutin/math/matrix/MatrixNDImpl.java
diff -u lutinmatrix/src/java/org/codelutin/math/matrix/MatrixNDImpl.java:1.5 lutinmatrix/src/java/org/codelutin/math/matrix/MatrixNDImpl.java:1.6
--- lutinmatrix/src/java/org/codelutin/math/matrix/MatrixNDImpl.java:1.5	Thu Oct 20 20:58:04 2005
+++ lutinmatrix/src/java/org/codelutin/math/matrix/MatrixNDImpl.java	Mon Jan 23 13:50:05 2006
@@ -23,9 +23,9 @@
 * Created: 29 oct. 2004
 *
 * @author Benjamin Poussin <poussin@codelutin.com>
-* @version $Revision: 1.5 $
+* @version $Revision: 1.6 $
 *
-* Mise a jour: $Date: 2005/10/20 20:58:04 $
+* Mise a jour: $Date: 2006/01/23 13:50:05 $
 * par : $Author: bpoussin $
 */
 
@@ -36,6 +36,9 @@
 
 public class MatrixNDImpl extends AbstractMatrixND { // MatrixNDImpl
 
+    /**  */
+    private static final long serialVersionUID = 1L;
+    
     protected BasicMatrix matrix = null;
 
     protected MatrixNDImpl(MatrixFactory factory, int [] dim){

Index: lutinmatrix/src/java/org/codelutin/math/matrix/MatrixNDXMLConverter.java
diff -u lutinmatrix/src/java/org/codelutin/math/matrix/MatrixNDXMLConverter.java:1.1 lutinmatrix/src/java/org/codelutin/math/matrix/MatrixNDXMLConverter.java:1.2
--- lutinmatrix/src/java/org/codelutin/math/matrix/MatrixNDXMLConverter.java:1.1	Thu Oct 27 12:28:10 2005
+++ lutinmatrix/src/java/org/codelutin/math/matrix/MatrixNDXMLConverter.java	Mon Jan 23 13:50:05 2006
@@ -23,9 +23,9 @@
  * Created: 27 octobre 2005 00:40:56 CEST
  *
  * @author Benjamin POUSSIN <poussin@codelutin.com>
- * @version $Revision: 1.1 $
+ * @version $Revision: 1.2 $
  *
- * Last update: $Date: 2005/10/27 12:28:10 $
+ * Last update: $Date: 2006/01/23 13:50:05 $
  * by : $Author: bpoussin $
  */
 
@@ -35,8 +35,7 @@
 import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+
 import org.codelutin.util.ArrayUtil;
 import org.codelutin.util.FormatConverter;
 import org.codelutin.util.FormatConverterFactory;
@@ -56,9 +55,6 @@
 
     private static final String VERSION = "1";
 
-    /** to use log facility, just put in your code: log.info(\"...\"); */
-    static private Log log = LogFactory.getLog(MatrixNDXMLConverter.class);
-
     public String getVersion() {
         return VERSION;
     }

Index: lutinmatrix/src/java/org/codelutin/math/matrix/SubMatrix.java
diff -u lutinmatrix/src/java/org/codelutin/math/matrix/SubMatrix.java:1.5 lutinmatrix/src/java/org/codelutin/math/matrix/SubMatrix.java:1.6
--- lutinmatrix/src/java/org/codelutin/math/matrix/SubMatrix.java:1.5	Thu Oct 20 20:58:04 2005
+++ lutinmatrix/src/java/org/codelutin/math/matrix/SubMatrix.java	Mon Jan 23 13:50:05 2006
@@ -23,14 +23,15 @@
  * Created: 29 oct. 2004
  *
  * @author Benjamin Poussin <poussin@codelutin.com>
- * @version $Revision: 1.5 $
+ * @version $Revision: 1.6 $
  *
- * Mise a jour: $Date: 2005/10/20 20:58:04 $
+ * Mise a jour: $Date: 2006/01/23 13:50:05 $
  * par : $Author: bpoussin $
  */
 
 package org.codelutin.math.matrix;
 
+import java.io.Serializable;
 import java.util.Arrays;
 import java.util.LinkedList;
 import java.util.List;
@@ -43,6 +44,9 @@
 */
 public class SubMatrix extends AbstractMatrixND { // SubMatrix
 
+    /**  */
+    private static final long serialVersionUID = 1L;
+    
     protected MatrixND matrix = null;
     protected DimensionConverter converter = null;
 
@@ -140,7 +144,7 @@
     * Permet de faire une conversion de la dimension demandé dans la sous
     * matrice avec la position reel de la matrice sous jacente.
     */
-    protected interface DimensionConverter {
+    protected interface DimensionConverter extends Serializable {
         public int [] convertCoordinates(int [] coordinates);
     }
 
@@ -148,6 +152,9 @@
     * La conversion est juste un decalage d'indice
     */
     protected class ShiftConverter implements DimensionConverter {
+        /**  */
+        private static final long serialVersionUID = 1L;
+        
         protected int dim;
         protected int start;
         protected int nb;
@@ -172,6 +179,9 @@
     * La conversion est le mapping d'un element vers un autre element
     */
     protected class MappingConverter implements DimensionConverter {
+        /**  */
+        private static final long serialVersionUID = 1L;
+        
         protected int dim;
         protected int [] elem = null;
         public MappingConverter(int dim, int [] elem){