MATLAB Mathematics - SERC - Index of

Initial Value Problems for ODEs and DAEs
Note For information on function handles, see the function_handle (@),
func2str, and str2func reference pages, and the Function Handles chapter of
“Programming and Data Types” in the MATLAB documentation.
4 View the solver output. You can simply use the plot command to view the
solver output.
plot(t,y(:,1),'-',t,y(:,2),'--')
title('Solution of van der Pol Equation, \mu = 1');
xlabel('time t');
ylabel('solution y');
legend('y_1','y_2')
3
Solution of van der Pol Equation, µ = 1
y 1
y 2
2
1
solution y
0
−1
−2
−3
0 2 4 6 8 10 12 14 16 18 20
time t
As an alternative, you can use a solver output function to process the output.
The solver calls the function specified in the integration property OutputFcn
after each successful time step. Use odeset to set OutputFcn to the desired
5-11