482 Graphs & Geometry
6. Refer to the summary of settings following this procedure. Select a
numerical Solution Method and any additional plot parameters. You
can change these parameters as needed.
7. Select OK.
8. To enter additional ODEs, press down arrow to display the next ODE
edit field.
When you press · or press the up or down arrow keys to move
among ODEs that you have defined, the graph is updated to reflect
any changes. One solution to the ODE is graphed for each IC specified
for each active ODE (selected by checkbox).
Summary of Differential Equation settings
Solution Method
Selects Euler or Runge-Kutta as the numerical
solution method.
Iterations Between
Plot Step
Computational accuracy for Euler solution
method only. Must be an integer value >0. To
restore the default, select the down-arrow
and select
Default.
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