Plot the following equation given that y(0) = 1: y, Cos), And mark the axes every – HP 48g Graphing Calculator User Manual
Page 237: Pixels, Gpixels, Step 3: draw the graph
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:
Plot the following equation given that y(0) = 1:
y' =
—1000
* {y — 8in(t)) + cos{t)
Step 1:
Select stiff, select radians, enter the function, the partial
derivatives, and the initial values:
V(TJ=FCT.VJ
TVPE:
Dif f Eq
Rad
p: '-
1
...
-
10
„,
'
10
„,
INDEP:
T
INIT: 0
FINAL:
1
SDLN: Y INIT: 1
^iTIFF
USE STIFF DIFF ECi_SDLVERi________
OE
lot
) (A) @
d
® @
r
® ■ ■ '■ CHK ® (13 1000
(3
OdD ® Y Q CsmT) @ T (3
®
C±3
fc^ ® T (ENTERl
1000
[ENTER)
1000
(3
(cos)
(3
T ®
0
(IE) © T (ENTER) (0
T
(ENTER)0 (ENTER)
1
(ENTER)
(E) 1 (ENTER)
Step 2:
Set the horizontal view to range from -1 to 2, set the vertical
view to range from
-1
to
1
, and mark the axes every
10
pixels:
"S (E) d3 1 (dQ (ENTER)
2 (ENTER) (F) 1 (^ (ENTER) 1
(
enter
!10 (ENTER) 10 (ENTER)
TUL:
PLDT DPTIDNS
0001 STEP: [Jf It
H-VAR:
0
V-VAR:
1
H-TICK: 10
H-VIEW
V-VIEW
M-TICK
- 1
- 1
10
¡¿ARES
2
1
gPIXELS
TICK SPACIN6 UNITS ARE PIKELS-?
19
Step 3:
Draw the graph.
Differential Equations 19-11