
Button or Key Purpose
(Clear)
Deletes the highlighted row, or column, or the entire matrix. (You are prompted to make a
choice.)
Moves the cursor to the rst row, last row, rst column, or last column respectively.
Matrix Editor: More menu
The Matrix Editor More menu contains options similar to those in the List Editor More menu, but with
additional options used only for editing matrices. These options are described in the following table.
Category Option Description
Insert Row Inserts a new row above the current row in the matrix. The
new row contains zeroes.
Column Inserts a new column to the left of the current column in the
matrix. The new column contains zeroes.
Delete Row Deletes the current row of the matrix.
Column Deletes the current column of the matrix.
All Deletes the contents of the matrix.
Select Row Selects the current row. After it is selected, the row can be
copied.
Column Selects the current column. After it is selected, the column can
be copied.
Box Opens a dialog box to select a rectangular array dened by a
starting location and a nal location. You can also tap and
hold a cell to select it as the starting location, and then drag
your nger to select a rectangular array of elements. After it is
selected, the rectangular array can be copied.
Selection Turns selection mode on and o. You can also tap and hold a
cell and then drag your nger to select multiple cells.
Swap Row Transposes the values of the selected rows.
Column Transposes the values of the selected columns.
Creating a matrix in the Matrix Editor
1. Open the Matrix Catalog:
(Matrix)
2.
If you want to create a vector, press or until the matrix you want to use is highlighted, tap
, and then press . Continue from step 4 below.
518 Chapter 26 Matrices
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