HP 48gII Graphing Calculator Manual do Utilizador descarregar pdf (Página 281)

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(5) Press @-COL@. The first column will disappear.

(6) Press @+COL@. A row of two zeroes appears in the first row.

(7) Press @GOTO@ 3@@OK@@ 3@@OK@@ @@OK@@ to move to position (3,3).

(8) Press

@→STK@@. This will place the contents of cell (3,3) on the stack,

although you will not be able to see it yet.

(9) Press ` to return to normal display. Element (3,3) and the full matrix

will be available in the screen.

Summary of Matrix Writer use for entering vectors

In summary, to enter a vector using the Matrix Writer, simply activate the

writer („²), and place the elements of the vector, pressing ` after

each of them. Then, press ``. Make sure that the @VEC and @GO→@

keys are selected.

Example: „²³~„xQ2`2`5\``

produces: [‘x^2‘ 2 –5 ]

Building a vector with ARRY

The function →ARRY, available in the function catalog (‚N‚é,

use —˜ to locate the function), can also be used to build a vector or

array in the following way. In ALG mode, enter ARRY(vector elements,

number of elements), e.g.,

In RPN mode:

(1) Enter the n elements of the array in the order you want them to appear in

the array (when read from left to right) into the RPN stack.

(2) Enter n as the last entry.

(3) Use function ARRY.

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HP 48gII Graphing Calculator Manual do Utilizador Página 281

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