HP 40gs hp 40gs_user's guide_English_E_HDPMSG40E07A.pdf - Page 295
In the Equation Writer, type
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hp40g+.book Page 21 Friday, December 9, 2005 1:03 AM t 0 π-3 -2---π-3 π x'(t) 0 - 0 + + 0 3 x(t) -----1- ↓ -----3- ↑ 1-- ↑ 3-- 2 4 4 2 y(t) 0 3- ↓ -----3-------3-- ↑ 0 4 4 y'(t) 0 - -1 - 0 + 2 m 0 ∞ 0 ∞ Now we will graph Γ, which is a parametric curve. In the Equation Writer, type X(t) + i × Y(t). Select the entire expression and press . Now press , select Parametric and press . Select X1,Y1 as the destination and press . To make the graph of Γ, quit CAS and choose the Parametric aplet. Check X1(T) and Y1(T). Now press the graph. to see Step-by-Step Examples 16-21
Step-by-Step Examples
16-21
Now we will graph
Γ
, which is a parametric curve.
In the Equation Writer, type
X(t) + i × Y(t)
.
Select the entire expression
and press
.
Now press
,
select
Parametric
and press
. Select
X1,Y1
as the
destination and press
.
To make the graph of
Γ
, quit CAS
and choose the
Parametric
aplet. Check
X1(T)
and
Y1(T)
.
Now press
to see
the graph.
t
0
π
0
–
0
+
+
0
↓
↑
↑
0
↓
↓
↑
0
0
–
–1
–
0
+
2
m
0
∞
0
∞
π
3
--
2
π
3
------
x
'
t
()
3
xt
()
1
–
2
-----
3
–
4
-----
1
4
--
3
2
--
yt
()
3
–
4
---------
3
3
–
4
-------------
y
'
t
()
hp40g+.book
Page 21
Friday, December 9, 2005
1:03 AM