HP 49g+ User Manual page 541

Graphing calculator
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Notice that the option V-Var: is set to 1, indicating that the first element in the
vector solution, namely, x', is to be plotted against the independent variable t.
Accept changes to PLOT SETUP by pressing L @@OK@@.
Press „ò (simultaneously, if in RPN mode) to enter the PLOT WINDOW
environment. Modify this input form to look like this:
To plot the x' vs. t graph use: @ERASE @DRAW . The plot of x' vs. t looks like this:
To plot the second curve we need to use the PLOT SETUP input form once,
@CANCL
more.
To
reach
this
form
from
the
graph
above
use:
L @@OK@@ „ô(simultaneously, if in RPN mode) . Change the value of the
V-Var: field to 2, and press @DRAW (do not press @ERASE or you would loose the
graph produced above). Use: @EDIT L @LABEL @MENU to see axes labels and
range.
Notice that the x axis label is the number 0 (indicating the
independent variable), while the y-axis label is the number 2 (indicating the
second variable, i.e., the last variable plotted). The combined graph looks
like this:
Press LL @PICT @CANCL $ to return to normal calculator display.
Page 16-67

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