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HP 48gII User Manual

Page 518

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Page 16-40


In this case, the period T, is 4. Make sure to change the value of variable
@@@T@@@ to 4 (use: 4 K @@@T@@ `). Function g(X) can be defined in the
calculator by using

DEFINE(‘g(X) = IFTE((X>1) AND (X<3),1,0)’)


The function plotted as follows (horizontal range: 0 to 4, vertical range:0 to
1.2 ):


Using a procedure similar to that of the triangular shape in example 2, above,
you can find that

5

.

0

1

1

3

1

0

=





=

dX

T

c

,


and


We can simplify this expression by using e

in

π

/2

= i

n

and e

3in

π

/2

= (-i)

n

to get:

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