HP 48gII Graphing Calculator Manual do Utilizador descarregar pdf (Página 284)

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.

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

Simple operations with vectors

To illustrate operations with vectors we will use the vectors A, u2, u3, v2, and

v3, stored in an earlier exercise.

Changing sign

To change the sign of a vector use the key \, e.g.,

Addition, subtraction

Addition and subtraction of vectors require that the two vector operands have

the same length:

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HP 48gII Graphing Calculator Manual do Utilizador Página 284