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464 Matrices
Creating and storing matrices
The Matrix Catalog
contains the reserved
matrix variables M0-M9,
as well as any matrix
variables you have
created in Home or CAS
views (or from a program
if they are global).
Once you select a matrix name, you can create, edit, and
delete matrices in the Matrix Editor. You can also send a
matrix to another HP Prime.
To open the Matrix Catalog, press
St
(Matrix).
In the Matrix Catalog, the size of a matrix is shown beside
the matrix name. (An empty matrix is shown as 1*1.) The
number of elements in it is shown beside a vector.
You can also create and store matrices—named or
unnamed—in Home view. For example, the command:
POLYROOT([1,0,–1,0])
M1
stores the roots of the complex vector of length 3 into the
variable M1. M1 will thus contain the three roots of
: 0, 1 and –1.
Matrix Catalog:
buttons and keys
The buttons and keys available in the Matrix Catalog are:
x
3
x–0=
Button or Key Purpose
Opens the highlighted matrix for editing.
or
C
Deletes the content sof the selected matrix.
Changes the selected matrix into a one-
dimensional vector.
Transmits the highlighted matrix to another
HP Prime.
SJ
(Clear
)
Clears the contents of the reserved matrix
variables M0-M9 and deletes any user-
named matrices.