HP 50G, User Manual

Page: 287 / 887

Page 9-10
Absolute value function
The absolute value function (ABS), when applied to a vector, produces the
magnitude of the vector. For a vector A = [A
1
,A
2
,…,A
n
], the magnitude is
defined as . In the ALG mode, enter the function
name followed by the vector argument. For example:
BS([1,-2,6])
,
BS( )
,
BS(u3)
, will show in the screen as follows:
The MTH/VECTOR menu
The MTH menu (
„´
) contains a menu of functions that specifically to
vector objects:
The VECTOR menu contains the following functions (system flag 117 set to
CHOOSE boxes):
Magnitude
The magnitude of a vector, as discussed earlier, can be found with function
ABS. This function is also available from the keyboard (
„Ê
). Examples of
application of function ABS were shown above.
2 2 2
| |
z y x
A A A A + + + = L