#	Math865L_example7.ode (XPPAUT file) written by Chiu-Yen Kao

#	This is an XPP file to numerically integrate the equations for SIR model


#	SYSTEM OF EQUATIONS
	
	dS/dt = -k*S*I
	dI/dt =  k*S*I-alpha*I

#	PARAMETERS

	parameter k=0.001, alpha=0.1


#	INITIAL CONDITIONS

	init S=499, I=1.0


#	CHANGES FROM XPP'S DEFAULT VALUES

@ TOTAL=20.0,DT=0.01,XLO=0.0,XHI=20.0,YLO=0,YHI=1000s

	done