# Y-slice Plots - HP 49g+ User Manual

Graphing calculator.

Press LL@) P ICT to leave the EDIT environment.
Press @CANCL to return to the PLOT WINDOW environment. Then, press
\$ , or L@@@OK@@@, to return to normal calculator display.

## Y-Slice plots

Y-Slice plots are animated plots of z-vs.-y for different values of x from the
function z = f(x,y). For example, to produce a Y-Slice plot for the surface z =
3
3
x
-xy
, use the following:
Press „ô, simultaneously if in RPN mode, to access to the PLOT
SETUP window.
Change
to
TYPE
Y-Slice.
Press ˜ and type 'X^3+X*Y^3' @@@OK@@@.
Make sure that 'X' is selected as the
Press L@@@OK@@@ to return to normal calculator display.
„ò, simultaneously if in RPN mode, to access the PLOT
Press
WINDOW screen.
Keep the default plot window ranges to read:
Y-Far: 1, Z-Low:-1, Z-High:1,
Press @ERASE @DRAW to draw the three-dimensional surface. You will see the
calculator produce a series of curves on the screen, that will immediately
disappear. When the calculator finishes producing all the y-slice curves,
then it will automatically go into animating the different curves.
the curves is shown below.
Press \$ to stop the animation. Press @CANCL to return to the PLOT
WINDOW environment.
Press \$ , or L@@@OK@@@, to return to normal calculator display.
Try also a Ps-Contour plot for the surface z = f(x,y) = (x+y) sin y.
and 'Y' as the
Indep:
X-Left:-1, X-Right:1, Y-Near:-1,
Step Indep: 10 Depnd: 8
variables.
Depnd:
One of
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