Plotting a piecewise defined function example – HP 39g+ User Manual
Page 71
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Function aplet
3-11
Plotting a piecewise defined function example
Suppose you wanted to graph the following piecewise defined
function.
1. Open the Function aplet.
>$3/(7@ Select
Function
TU6SUÃ
2. Highlight the line you want to use, and enter the
expression. (You can press
>'(/@ to delete an existing
line, or
>6+,)7@
CLEAR
to clear all lines.)
> @
Y
>@ 2 > @ >j@
> @
Y
>6+,)7@
CHARS
≤
> @ 1 > @ >(17(5@
Y
>[@
>j@ > @
Y
>6+,)7@
CHARS
>
> @1
>6+,)7@
AND
Y
>6+,)7@
CHARS
≤
1
> @ >(17(5@
> @ 4 >@
Y
> @ >j@ > @
Y
>6+,)7@
CHARS
> 1
> @ >(17(5@
Note: You can use the
Y
menu key to assist in the
entry of equations. It has
the same effect as
pressing
>;75@.
f x
( )
x
2
x
1
–
≤
;
+
x
2
1
–
x
1
≤
<
;
4
x
x
1
≥
;
–
=
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