Advertisement
C
VECTOR ·ADDITION
AND
SUBTRACTION_
(
gram Outline
V .;,.:tor addi!ionSc'and subtractions are easy to·
perform.,However/it is noCso easyto see the.
q lntity and·direction of vectors th.us calculated.
>T is-program takes advanta.ge:ofthe dot-grai>!iics
•
capability of the fP-200to represent vectors in
t,t.., form of graphs.··
( PSIM,tl --·
V .. 1en the program is started, it .displays the message "shown in
O,
wafringf~r data
input. The scale in this message indicates the.amount represented by a single dot. It
c
termines the ranges of X and Y that c3:n be_ input.The message shows that the current
s Je is 1.0/d (dot), indicating that both Xand Y have a range of -31.0 to 31.0.
The program then asks for a new scale. Determine the new scale based on the magrii~
t
11
•ies of vectors.to be input. {lnjJils
case,
there is 110 need to considerthe magnitude.'
- cc. the resulting vect(?b) When you input a
scale -0f?say,·o.s;
the programagain . ..displays:·~~',
f~~:~ii1li~l~iili~~-t:~!f
I~iit~i~:,i:::
r nLof ·the .pos1t1on vector; When: the data 151nputl the program asks whether ant\:;:L
addition or a·subtraction is to
be
performed. Key· in a_•,...• for subtraction. Press .the
g)"> .
k-y
for addition. ·.
.
. .
,;:
:r_,;--- , .. -· · . ·...... . . . - .
. -
- - 1e programfthen'draws the input vector~ sh_gv/11Jn
O;Jn
the
cise
of subtraction~a. _ -
'-' is placed~in front of the first parenthesis. Up to llvectors can be input for calcula;'•
tion. Note that' when more than-five vectors are inp-ut, the p·receding vectors disappear,,
i ·
::iuentially to prevent the screen displayfromoverflowing. (The result of the-calcula-
;__ Jn is unaffected.)
I
After inputting all the vectors, input 0 for X and Y. The program then displays the
1
5uft, which blinks. If the result exceeds the range that can be displayed on the
, rrent scale, the scale is automatically adjusted such that the display can be continued.
Pressing any key on the keyboard causes a return to the beginning of the program.
Advertisement
