Creating And Storing Matrices - HP 39G User Manual

Creating and storing matrices

Matrix Catalog
keys
12-2
You can create, edit, delete,
send, and receive matrices in
the Matrix catalog.
To open the Matrix catalog,
press .
MATRIX
You can also create and store matrices—named or
unnamed—-in HOME. For example, the command:
POLYROOT([1,0,–1,0]) M1
stores the root of the complex vector of length 3 into the M1
variable. M1 now contains the three roots of
3
x – x = 0
The table below lists the operations of the menu keys in the
Matrix Catalog, as well as the use of Delete (
( ).
CLEAR
Key Meaning
Opens the highlighted matrix for
editing.
Prompts for a matrix type, then opens
an empty matrix with the highlighted
name.
Transmits the highlighted matrix to
another HP 39G/40G or a disk drive.
See "Sending and receiving aplets" on
page 16-5.
Receives a matrix from another
HP 39G/40G or a disk drive. See
"Sending and receiving aplets" on
page 16-5.
Clears the highlighted matrix.
Clears all matrices.
CLEAR
or Moves to the end or the beginning of
the catalog.
) and Clear
Matrices