Hp 50g Graphing Calculator Manual de usuario descargar pdf (Pagina 285)

100

101

Page 9-8

Highlighting the entire expression and using the @EVAL@ soft menu key, we get the

result: -15.

To replace an element in an array

use function PUT (you can find it in the

function catalog ‚N, or in the PRG/LIST/ELEMENTS sub-menu – the later

was introduced in Chapter 8). In ALG mode, you need to use function PUT with

the following arguments: PUT(array, location to be replaced, new value). For

example, to change the contents of A(3) to 4.5, use:

In RPN mode, you can change the value of an element

of A, by storing a new

value in that particular element. For example, if we want to change the

contents of A(3) to read 4.5 instead of its current value of –3., use:

4.5`³~a„Ü3`K

To verify that the change took place use: ‚@@@@A@@ . The result now shown is: [-

1 -2 4.5 -4 -5 ].

To find the length of a vector

you can use the function SIZE, available through

the command catalog (N) or through the PRG/LIST/ELEMENTS sub-menu.

Some examples, based on the arrays or vectors stored previously, are shown

below:

Note: The vector A can also be referred to as an indexed variable because

the name A represents not one, but many values identified by a sub-index.

Note: This approach for changing the value of an array element is not

allowed in ALG mode, if you try to store 4.5 into A(3) in this mode you get the

following error message: Invalid Syntax.

1 2 ... 280 281 282 283 284 285 286 287 288 289 290 ... 886 887

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Hp 50g Graphing Calculator Manual de usuario Pagina 285

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