
Plotting Solutions to Differential Equations
You can plot the solution to an initiahvalue by selecting the
difFerential equation option of the PLOT dialog box.
^^*PLDT V'CTJ:Fa,V)^^M
TYPE: Diff Eg Deg
p;
INDEP: X INIT: 0 FINHL:6.5
SDLN-. Y INIT: 0 _ STIFF
ENTER FUNCTION DF INDEP AND SDLN
TOiaHOTHKiiiaitiBiligamBi
This screen contains the following fields and menu keys:
TVF'Eii The plot type (must be D:i. ff Eq).
dS The angle mode.
FF: The right side of the equation you want to plot.
The independent variable, (Defaults to X.)
IHtT: The independent variable’s initial value (to)-
FTHhL.ii The independent variable’s final value.
SuLN:: The solution variable. (Defaults to Y.)
INIT" The solution variable’s initial value.
STIFF'S Selects the stiff solver plot.
EDIT L ets you edit a field.
CHOUS Lets you select a variable.
OF’TS Lets you control plotting variables,
ERRSE Erases previous plots.
DRAW Creates the plot.
Press OPTS and the following options appear:
19
Differential Equations 19-7
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