HP 39g+ Graphing Calculator Podręcznik Użytkownika Strona 182

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13-4 Matrices
A matrix is listed with two dimensions, even if it is 3×1. A
vector is listed with the number of elements, such as 3.
To transmit a
matrix
You can send matrices between calculators just as you
can send aplets, programs, lists, and notes.
1. Align the hp 39g+ calculators’ infrared ports.
2. Open the Matrix catalogs on both calculators.
3. Highlight the matrix to send.
4. Press .
5. Press on the receiving calculator.
Working with matrices
To edit a matrix In the Matrix catalog, highlight the name of the matrix
you want to edit and press .
Matrix edit keys The following table lists the matrix edit key operations.
Key Meaning
Copies the highlighted element to
the edit line.
Inserts a row of zeros above, or a
column of zeros to the left, of the
highlighted cell. (You are prompted
to choose row or column.)
A three-way toggle for cursor
advancement in the Matrix editor.
advances to the right, ¸
advances downward, and
does not advance at all.
Switches between larger and
smaller font sizes.
Deletes the highlighted cells, row,
or column (you are prompted to
make a choice).
CLEAR Clears all elements from the matrix.
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