Documentation
Publicon
User Guide
Advanced Features
Editing and Formatting Notebooks
Entering Mathematical Formulas
Matrices and Arrays
To create a matrix:
1. Choose Edit 
Math Insert Matrix/Table.
2. Click Matrix in the dialog box that appears.
3. Specify the number of rows and columns the matrix should have. By default, the matrix will have three columns and three rows. You can also surround the matrix with a frame or draw lines between rows and columns by checking the appropriate boxes in the dialog box.
4. Click OK to close the dialog box. A matrix of blank placeholders appears in your notebook.
5. Enter the elements of the matrix. You can move from one element to the other by pressing the 
key.
You can use 
,
and 
to start building an array in a math cell. For small arrays this is often more convenient than using the Input Create Table/Matrix/Palette menu command.
Keyboard shortcuts used in editing a table or matrix.
To enter a 3 
3 unit matrix in a math cell using only the keyboard:
1. Begin an equation cell with 1, type "(", then press , to get a single row with two elements.
2. Press , once again. An extra column is added.
3. Press to add an extra row.
4. Press once again to add a third row, then move the cursor after the array of placeholders and type ")". You now have a 3 3 blank matrix.
5. Type the elements of the matrix into the placeholders, using the key to move between them.
To construct an array:
1. Choose Edit Math Insert Matrix/Table to open the Create Matrix/Table dialog box.
2. Click Table in the dialog box that appears.
3. Specify the number of rows and columns the table should have. By default, the table will have three columns and three rows. You can also surround the table with a frame or draw lines between rows and columns by checking the appropriate boxes in the dialog box.
4. Click OK to close the dialog box. An array of blank placeholders appears in your notebook.
5. Fill in the elements of the table by replacing the placeholder with your data or text. You can use the key to cycle through the table elements. The size of the grid boxes automatically changes to accommodate the text that you type in.
