Hp 48g Graphing Calculator Manual do Utilizador descarregar pdf (Página 160)

100

101

Press (MTH1 V E U T R V . The returned values are the same as

the displayed components.

Vector Math Commands

A vector, like a real number, is a single object. So you can use vectors

as arguments for commands. You can add and subtract vectors—

you can multiply and divide vectors by scalars—and you can execute

special vector commands (DOT, CROSS, and ABS). These special

commands interpret their arguments and return results using the

current coordinate mode and can be found in the MTH VECTR

menu((MTH) VECTR).

Command/Description

Example

Input Output

ABS Prefix. Returns the

scalar magnitude of vector,

calculated as the Frobenius

norm—defined as the square

root of the sum of the

squares of the absolute value

of each element.

r 2 ”3 4 ]

1“ 5^3051640

DOT Command. Returns

the inner or dot product (a

scalar) of two vectors of

equal dimensions.

l;C “1 28 ]

l: 24

CROSS Command.

Returns the cross product (a

3D-vector) of two vectors.

Two element vectors will

have a third zero element

added during execution.

l;C “1 2 1 ]

13-4 Vectors and Transforms

1 2 ... 155 156 157 158 159 160 161 162 163 164 165 ... 611 612

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