Gridmap Plots - HP 50g User Manual

Graphing calculator
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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.
Change the default plot window ranges to read:
1, Y-Far: 1, Z-Low:-1, Z-High:1,
Press @ERASE @DRAW to draw the three-dimensional surface.
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. One of 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.
Press „ô, simultaneously if in RPN mode, to access the PLOT SETUP
window.
Press ˜ and type '(X+Y)*SIN(Y)' @@@OK@@@.
Press @ERASE @DRAW to produce the Y-Slice animation.
Press $ to stop the animation.
Press @CANCL to return to the PLOT WINDOW environment. Then, press
$ , or L@@@OK@@@, to return to normal calculator display.

Gridmap plots

Gridmap plots produce a grid of orthogonal curves describing a function of a
complex variable of the form w =f(z) = f(x+iy), where z = x+iy is a complex
variable. The functions plotted correspond to the real and imaginary part of w
=
(x,y) + i (x,y), i.e., they represent curves
constant. For example, to produce a Gridmap plot for the function w = sin(z),
use the following:
and 'Y' as the
Indep:
Step Indep: 10 Depnd: 8
(x,y) =constant, and
variables.
Depnd:
X-Left:-1, X-Right:1, Y-Near:-
You will see the
(x,y) =
Page 12-40

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