Texas Instruments TI-89 사용자 설명서
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Activities
753
2. Type the following lines into the
Text Editor
.
C
C
C
C
C
C
C
C
C
C
C
: Compute the maximum value of f on the closed interval [a,b]
: assume that f is differentiable on [a,b]
: define f(x)=x^3
: assume that f is differentiable on [a,b]
: define f(x)=x^3
N
2x^2+x
N
7
: 1
!
a:3.22
!
b
: d(f(x),x)
!
df(x)
: zeros(df(x),x)
: f(ans(1))
: f({a,b})
: The largest number from the previous two commands is the
maximum value of the function. The smallest number is the
minimum value.
: f(ans(1))
: f({a,b})
: The largest number from the previous two commands is the
maximum value of the function. The smallest number is the
minimum value.
3. Press
… and select
1:Script view
to show
the
Text Editor
and the Home screen on a
split-screen. Move the cursor to the first
line in the
line in the
Text Editor
.