Custom MAX9601 Model problems

I build this model using maxim's spice file. But when tested in simple 100MHz sine wave circuit, multisim show error: "Singular matrix" and "time step too small".
Better Mass Spec
From 31º17'55.82" N,121º30'15.92" E
Attachments:
Max9601.prz ‏277 KB

Hi hoggy,
Please attach the application circuit. These types of errors are often a result of the entire circuit.
Thanks,
Alec
Max
National Instruments

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Kleopatra wrote:
jduprez wrote:
See http://download.oracle.com/javase/6/docs/api/javax/swing/table/TableColumn.html#setHeaderValue(java.lang.Object)
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.......................... ^
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Thanks!
I just got this response. Anyways, I found another solution that was, interestingly, from one of your threads written in 2005.
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// Letting the JTable know what each column stores and should return by
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The if method for the int column (Ranking column) works okay, and is even right-aligned. The else if arguments for the Price (�) column however is returning an IllegalArgumentException. This I just cannot figure out.
Here's the code:package Practice;
import java.awt.BorderLayout;
import java.awt.Frame;
import java.awt.Menu;
import java.awt.MenuBar;
import java.awt.MenuItem;
import java.awt.MenuShortcut;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent; // for MenuItem shortcuts
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane; // JTable added to it, aiding flexibility
import javax.swing.JTable; // The personally preferred GUI for this purpose
        // Provides a basic implementation of TableModel
import javax.swing.table.DefaultTableModel;
          // This class uses Vector to store the rows and columns of data, though
          // programmer will be using LinkedLists
import java.util.LinkedList;
// User-defined classes
import Practice.MusicDatabase;
public class MusicBank extends Frame implements ActionListener
     MusicDatabase mDBase;
     Frame frame;
     String title = "",      // Frame's title
          file = "";           // pathname of the file to be opened
      // Declaring Menu and MenuItem variables
     Menu recordM; // ...
     // recordM
     MenuItem newRecordR_MI, deleteRecordR_MI;
     // Other irrelevant menus and sub items
    DefaultTableModel recordDetails;
    JTable recordsTable;
    LinkedList musicList;
    public MusicBank()
        musicList = new LinkedList();
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        // Should user seek to close window externally
        frame.addWindowListener(new WindowAdapter()
             public void windowClosing(WindowEvent we)
                 frame.dispose();
                 System.exit(0);
     recordDetails = new DefaultTableModel();
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     recordDetails.addColumn("Title");
     recordDetails.addColumn("Identity");
     recordDetails.addColumn("Music Company");
     recordDetails.addColumn("Ranking");
     recordDetails.addColumn("Price (�) ");
     // Ensuring the table has at least one visible record (empty)
     recordDetails.addRow(populateRow("", "", "", 0, 0.00f));
     // Creating the table to display the data files (music record details)
     recordsTable = new JTable(recordDetails)
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         // overloading the getColumnClass() method
        public Class getColumnClass(int column)
           if(recordsTable.getColumnName(column) == "Ranking")
               return Integer.class;
            /* Why do I keep ketting an IllegalArgumentException here? *
             * It keeps saying it cannot format given object as a Number */
            else if(recordsTable.getColumnName(column) == "Price (�) ")
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                return getValueAt(0, column).getClass();
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public MenuBar menuSystem()
      MenuBar bar = new MenuBar();
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      recordM.setShortcut(new MenuShortcut(KeyEvent.VK_R, false));
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      newRecordR_MI.setShortcut(new MenuShortcut(KeyEvent.VK_N, false));
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      deleteRecordR_MI.setShortcut(new MenuShortcut(KeyEvent.VK_D, false));
       recordM.add(newRecordR_MI);
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       recordM.add(deleteRecordR_MI);
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       newRecordR_MI.addActionListener(this);
       deleteRecordR_MI.addActionListener(this);
       // Adding menus and items to menu bar
       bar.add(recordM);
       return bar;
public void actionPerformed(ActionEvent ae)
      if(ae.getSource() == newRecordR_MI)
         newRecord();
      else if(ae.getSource() == deleteRecordR_MI)
         deleteRecord();
// Object that will be used, in conjunction with MusicDatabase's, to
// populate the JTable
// A record in a JTable is equivalent to an element in a LinkedList
public Object[] populateRow(String title, String name, String comp, int rank, float price)
      // First, update the LinkedList
      mDBase = new MusicDatabase(title, name, comp, rank, price);
      musicList.add(mDBase);
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       // object, rank and price will have to be cast as a String and later
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       String rankPT = ""+rank, pricePT = ""+price;
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public static void main(String args[])
      MusicBank app = new MusicBank();
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           JOptionPane.showMessageDialog(app,
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// action methods per menu items
// Also, why do I keep getting an ArrayIndexOutOfBoundsException
// here? I do know what this exception is, and how it works, but just cannot
// understand what is causing it
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                 "Incomplete entries",                                // Title
                 JOptionPane.ERROR_MESSAGE);                           // Relevant icon
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          titleN = JOptionPane.showInputDialog(this, "Enter song title");
          identityN = JOptionPane.showInputDialog(this,                                      "Enter name of singer/band");
         companyN = JOptionPane.showInputDialog(this,                                 "Enter signed/unsigned company");
         rankN = Integer.parseInt( JOptionPane.showInputDialog(this,
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         /* Problem lies here */
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                 rankN = Integer.parseInt( JOptionPane.showInputDialog(this,
                         "That number's already chosen.\nPlease enter a rank ") );
         priceN = Float.parseFloat( JOptionPane.showInputDialog(this,                                 "Finally, enter price �") );
         mDBase = new MusicDatabase(titleN, identityN, companyN, rankN, priceN);
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         recordDetails.addRow(populateRow(titleN, identityN, companyN, rankN,
     priceN));
         System.out.println("JTable rows after creation = "+
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     if((recordsTable.getRowCount()) > 0)
          deleteRecordR_MI.setEnabled(true);
} // newRecord()
public void deleteRecord()
     int selectedRow = recordsTable.getSelectedRow();
     recordDetails.removeRow(selectedRow);
      // Removing the element from the LinkedList's corresponding index
      musicList.remove(selectedRow);
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public boolean queryState()
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      System.out.println("Columns = "+columns);
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              else if((recordDetails.getValueAt(rowIndex, 2)).equals(""))
           isEmpty = true;
              else if((recordDetails.getValueAt(rowIndex, 3)).equals(""))
           isEmpty = true;
              else if((recordDetails.getValueAt(rowIndex, 4)).equals("0"))
           isEmpty = true;
              else if((recordDetails.getValueAt(rowIndex, 5)).equals("0.00"))
           isEmpty = true;
      catch(Exception e)
         System.out.println(e.getMessage());
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Now here is the code for the MusicDatabase class
package Practice;
class MusicDatabase
    private String songTitle, identity, musicCompany;
    private int rank;
    private float priceF;
    // Defining the constructor
    public MusicDatabase(String title, String name, String company,                               int rankingInt, float price)
       songTitle = title;
       identity = name;
       musicCompany = company;
       rank = rankingInt;
       priceF = price;
    } // constructor
   // Other methods
} // class MusicDatabaseSorry, but am not sure if these codes are executable, as where I am (a general library), JVM is not on the machine I am using. (Remember, i don't have ready acess to the Internet, so I could not use my machine, nor the facilities that had the JVM - unavailable to me at the time).
Thanks!
Reformer...
PS I do hope the code pasted was not too much. Kind regards....

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Hi Ivan,
Thank you for your question.
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Thanks & Regards,
Tushar.

Hi Michael,
Thanks for direction. Let me give more context on this as I'm interested to get more details..One of the issue was to read cross entity field values on UI based on user action and set other entity field behaviour...It is similar to what is being posted here.
For ex: Reading MTART from Basic Data UIBB in MM MDG UI and set the field properties in some other custom entities say ZZETEST. This cannot be done using UI BADI as it only supports single entity at a time and not cross entity. So alternatively we found a solution where we can enhance existing PLMB feederclass cl_mdg_bs_mat_feeder_form by reading the model and the entity as needed as it it proved that it supports cross entity UI field behaviours and so business requirements.
This is a workaround for now.
So the question is How do we achive it using governance API for cross entity field behiaviours.?or what is the right way doing this.
Can we do that using governance API and its' methods?
In the Governance API doc you provided below has referring to below external model as part of gevernance API.
The active or inactive data (before or during the derivation or the check) can be read
with the external data model interface IF_USMD_MODEL_EXT with the method READ_CHAR_VALUE and
the corresponding READ_MODE parameter. To avoid unnecessary flushes (derivations), the NO_FLUSH
parameter should b
e set to ‘X’.
Thanks
Praveen

Issue in creating a custom data model from BP

Hi Team
We have a requirement to create a custom data model by copying data model BP. I have successfully created new data model ZP . I have copied the UI for searching from BP. Issue is when i search a business partner ideally it should not display any entries because i have just created the data model, But it is taking entries from BP and getting displayed. Please let me know how to map data model to search UI. I dont see option USMD_MODEL here

Hi Imran,
actually that is not an issue but a designed feature. I'm afraid that you need to re-think your whole project. The explanations is rather simple:
Data model BP in MDG is a so called Re-Use Area data modell. This means that active data (records that are currently not stored in a change request) are saved in existing SAP ERP data base tables like BUT000 for the business partner master data and LFA1 or KNA1 for Vendor or Customer master data.
If you copy data model BP to ZP you still refer to the same active area. You will always find the same active objects - no matter which data model you are actually using for the user interface. The only difference wil occur for objects being currently processed in a change request. In that case a separation between BP and ZP is possible. But this won't help to solve your issue.
From SAP side I can only recommend not to copy BP but to find a different way of integrating your project needs into BP.
Best regards
Michael

JTable column headers not displaying using custom table model

Hi,
I'm attempting to use a custom table model (by extending AbstractTableModel) to display the contents of a data set in a JTable. The table is displaying the data itself correctly but there are no column headers appearing. I have overridden getColumnName of the table model to return the correct header and have tried playing with the ColumnModel for the table but have not been able to get the headers to display (at all).
Any ideas?
Cheers

Class PublicationTableModel:
public class PublicationTableModel extends AbstractTableModel
    PublicationManager pubManager;
    /** Creates a new instance of PublicationTableModel */
    public PublicationTableModel(PublicationManager pm)
        super();
        pubManager = pm;
    public int getColumnCount()
        return GUISettings.getDisplayedFieldCount();
    public int getRowCount()
        return pubManager.getPublicationCount();
    public Class getColumnClass(int columnIndex)
        Object o = getValueAt(0, columnIndex);
        if (o != null) return o.getClass();
        return (new String()).getClass();
    public String getColumnName(int columnIndex)
        System.out.println("asked for column name "+columnIndex+" --> "+GUISettings.getColumnName(columnIndex));
        return GUISettings.getColumnName(columnIndex);
    public Publication getPublicationAt(int rowIndex)
        return pubManager.getPublicationAt(rowIndex);
    public Object getValueAt(int rowIndex, int columnIndex)
        Publication pub = (Publication)pubManager.getPublicationAt(rowIndex);
        String columnName = getColumnName(columnIndex);
        if (columnName.equals("Address"))
            if (pub instanceof Address) return ((Address)pub).getAddress();
            else return null;
        else if (columnName.equals("Annotation"))
            if (pub instanceof Annotation) return ((Annotation)pub).getAnnotation();
            else return null;
        etc
       else if (columnName.equals("Title"))
            return pub.getTitle();
        else if (columnName.equals("Key"))
            return pub.getKey();
        return null;
    public boolean isCellEditable(int rowIndex, int colIndex)
        return false;
    public void setValueAt(Object vValue, int rowIndex, int colIndex)
    }Class GUISettings:
public class GUISettings {
    private static Vector fields = new Vector();
    private static Vector classes = new Vector();
    /** Creates a new instance of GUISettings */
    public GUISettings() {
    public static void setFields(Vector f)
        fields=f;
    public static int getDisplayedFieldCount()
        return fields.size();
    public static String getColumnName(int columnIndex)
        return (String)fields.elementAt(columnIndex);
    public static Vector getFields()
        return fields;
}GUISettings.setFields has been called before table is displayed.
Cheers,
garsher

JButton in JTable with custom table model

Hi!
I want to include a JButton into a field of a JTable. I do not know why Java does not provide a standard renderer for JButton like it does for JCheckBox, JComboBox and JTextField. I found some previous postings on how to implement custom CellRenderer and CellEditor in order to be able to integrate a button into the table. In my case I am also using a custom table model and I was not able to create a clickable button with any of the resources that I have found. The most comprehensive resource that I have found is this one: http://www.java2s.com/Code/Java/Swing-Components/ButtonTableExample.htm.
It works fine (rendering and clicking) when I start it. However, as soon as I incorporate it into my code, the clicking does not work anymore (but the buttons are displayed). If I then use a DefaultTableModel instead of my custom one, rendering and clicking works again. Does anyone know how to deal with this issue? Or does anyone have a good pointer to a resource for including buttons into tables? Or does anyone have a pointer to a resource that explains how CellRenderer and CellEditor work and which methods have to be overwritten in order to trigger certain actions (like a button click)?
thanks

Yes, you were right, the TableModel was causing the trouble, everything else worked fine. Somehow I had this code (probably copy and pasted from a tutorial - damn copy and pasting) in my TableModel:
        public boolean isCellEditable(int row, int col) {
            //Note that the data/cell address is constant,
            //no matter where the cell appears onscreen.
            if (col < 3) {
                return false;
            } else {
                return true;
}A pretty stupid thing when you want to edit the 3rd column...

Custom table model, table sorter, and cell renderer to use hidden columns

Hello,
I'm having a hard time figuring out the best way to go about this. I currently have a JTable with an custom table model to make the cells immutable. Furthermore, I have a "hidden" column in the table model so that I can access the items selected from a database by their recid, and then another hidden column that keeps track of the appropriate color for a custom cell renderer.
Subject -- Sender -- Date hidden rec id color
Hello Pete Jan 15, 2003 2900 blue
Basically, when a row is selected, it grabs the record id from the hidden column. This essentially allows me to have a data[][] object independent of the one that is used to display the JTable. Instinctively, this does not seem right, but I don't know how else to do it. I know that the DefaultTableModel uses a Vector even when it's constructed with an array and I've read elsewhere that it's not a good idea to do what I'm trying to do.
The other complication is that I have a table sorter as well. So, when it sorts the objects in the table, I have it recreate the data array and then set the data array of the ImmutableTableModel when it has rearranged all of the items in the array.
On top of this, I have a custom cell renderer as well. This checks yet another hidden field and displays the row accordingly. So, not only does the table sort need to inform the table model of a change in the data structure, but also the cell renderer.
Is there a better way to keep the data in sync between all of these?

To the OP, having hidden columns is just fine, I do that all the time.. Nothing says you have to display ALL the info you have..
Now, the column appears to be sorting properly
whenever a new row is added. However, when I attempt
to remove the selected row, it now removes a seemingly
random row and I am left with an unselectable blank
line in my JTable.I have a class that uses an int[] to index the data.. The table model displays rows in order of the index, not the actual order of the data (in my case a Vector of Object[]'s).. Saves a lotta work when sorting..
If you're using a similar indexing scheme: If you're deleting a row, you have to delete the data in the vector at the INDEX table.getSelectedRow(), not the actual data contained at
vector.elementAt(table.getSelectedRow()). This would account for a seemingly 'random' row getting deleted, instead of the row you intend.
Because the row is unselectable, it sounds like you have a null in your model where you should have a row of data.. When you do
vector.removeElementAt(int), the Vector class packs itself. An array does not. If you have an array, when you delete the row you must make sure you dont have that gap.. Make a new array of
(old array length-1), populate it, and give it back to your model.. Using Vectors makes this automatic.
Also, you must make sure your model knows the data changed:
model.fireTableDataChanged(); otherwise it has no idea anything happened..
IDK if that's how you're doing it, but it sounds remarkably similar to what I went thru when I put all this together..

Custom Ranking model in SharePoint 2013

Hi,
I need to improve the search results in SharePoint 2013. Can any one help me with the below requirement?
a. Improve rank for a sharepoint list. We have a list called profiles that contains users information. Right now, when searched using profile name, the results is displayed at the end. I need to promote it to the top.
b. Improve rank for some sites. We have created some new sites and i need the results from that new sites to appear at the top of search results.
Please suggest me some options. Thanks.

Hi
You can watch the Microsoft SharePoint conference video on "Optimize Search Relevance in SharePoint 2013"and there was demonstrate how to create new custom rank model using tuning tool Publish new model.
Please go through this video...
http://channel9.msdn.com/Events/SharePoint-Conference/2012/SPC145
Thanks
Basant Pandey
Blog: sharepointfordeveloper.blogspot.com

How to maintain Customer distribution model in ALE

hi FRIENDS..
i wish to know what will be the transaction code of maintaining the customer distribution model, and how we maintain it. and also distribute custome model in IMG sreen... please reply me...i will surely award you nice points....
bye...
naim

U can create/maitain distribution model using BD64.
Or else u can create it using SALE transaction code.
U need to give sender/reciver/msg type.
==============================================
procedure:
click on Create Distribution model button-->give the technical name
select the DModel Technical name>add msgtype>
it will ask sender/reciver/msgtype.
pass those parameters and generate partner profiles through environment menu
=================================
to distribute a model view to partner syste,:
Select mview
edit>modelview>distribute
Message was edited by: Eswar Kanakanti

Custom MAX9601 Model problems

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