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Example 3: A representation using the Web TYPE setting
View the sequence
u(n) = u(n-1) + 100 by comparing the sequence elements u(n) with
the predecessor elements u(n-1) .
1. Press @ f G
1 to select Web.
2. Press Y and input the
equation in the u(n) line.
Because this is a recursive
representation, a value for
u(nMin) must be input.
3. If the lower four lines still contain entries, move the cursor down
and delete them using C.
4. Select Z A 1
for the automatic zoom
function in order to set suitable
window settings automatically.
Using U, you can now
read concrete values of the
sequence.
Chapter 4: Graphing Features
85
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