[t, x] = ode45('dyn300',[0 60], [0;0;0;0]);
dyn300plot
subplot 211
title('dyn300');
pause

[t, x] = ode45('dyn310',[0 60], [0;0;0;0]);
dyn300plot
subplot 211
title('dyn310');
pause

[t, x] = ode45('dyn320',[0 60], [0;0;0;0]);
dyn300plot
subplot 211
title('dyn320');
pause

[t, x] = ode45('dyn330',[0 60], [0;0;0;0]);
dyn300plot
subplot 211
title('dyn330');