HP 49g Graphing Calculator - Manual (Page 42)

Chapter 5
Matrices and linear algebra
The HP 49G has extensive capabilities for entering and manipulating
anrays. An array object can be a vector or matrix.
Many of the matrix operations described in this chapter also apply to
vectors. Wherever this is the case, the more general term array is used
instead of m ati'ix.
By default, Matrix Writer will interpret a one-row array as a vector rather
than as a matrix. If you want a one-row array interpreted as an array, press
VEC
first.
For instructions on how to create an ainay—and how to open an array in
Matrix Writer—see chapter 8 of the User’s Guide.
Matrix Writer operations
The following summarizes the operations that are available in Matrix
Writer.
To move around an array
Method 1: using arrow keys
Press the aiTow keys to move the cursor from cell to cell.
You can press 0 before an arrow key to move the cursor directly to an
outermost row or column:
• 0® moves the cursor to the last column
•
0
® moves the cursor to the first row
• © @ moves the cursor to the first column
• © @ moves the cursor to the last row.
Matrices and Linear algebra Page 5-1