Hp 39g Graphing Calculator Manual do Utilizador Página 82

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Define the
expression
Define the Fibonacci sequence, in which each term (after
the first two) is the sum of the preceding two terms:
t/,
\,U,= \ ,U„ for«>3.
In the Symbolic view of the Sequence aplet, highlight the
Ul( 1) field and begin defining your sequence.
1 nfNrfERl 1 I enter!
EHEZBH 0 EH
Sign
Note: You can use the
B, EH, and E0 menu
keys to assist in the entry
of equations.
ENTER
SEOUENCE iVMEDUi; MIEWt^
U1<1)=1
UK2>=1
U2(0
Ul(N-l)+LllCN-2)
H!i3-Tlimilllg!lil8liHlf№1!MHIBilS«i
^KSEOUENCE SVMEnLIC MIEW^
«'UKl J = 1
-'U1C2> = 1
'/ui':H)=ui(:N-n+un:H...
U2(2>= T
Specify plot
settings
In Plot Setup, first set the SEQPLOT option to
Stairstep. Reset the default plot settings by clearing
the Plot Setup view.
- A Stairsteps graph plots n on the horizontal axis and
i/„ on the vertical axis.
- A Cobweb graph plots on the horizontal axis
and U,j on the vertical axis.
[SHWl\SETUP-PLOT
[shift |CL£4fi
B
B
0 8 PTnter I
8 I ENTER I
;e(!uence PLOT setup!
SEO.PLQT: Stairstep
HfiHG
VFiNQ
10.6
ENTER MINIMUM VERTICAL VALUE
6-2
Sequence aplet
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