Description: This directory contains MATLAB codes for Examples 8.1, 8.4, 8.11, 8.12, 8.17, 8.19, 8.24, 8.25,  and 8.26

Example 8.1: 
	Example8_1.m , hiv_rhs.m
         
Example 8.4: 
	Example8_4.m , spring_rhs.m

Example 8.11: Example8_11.zip or individually 
	Example8_11.m , Example8_11_IC.m , SIR_rhs_complex.m , SIR_rhs_IC.m , SIR_rhs.m

Example 8.12:
	Example8_12.zip

Example 8.17:
	Example8_17.m

Example 8.19:
	Example8_19.m

Example 8.24: This code requires kde.m, which can be downloaded from MATLAB central.
	Example8_24.m

Example 8.25:
	Example8_25.m , hiv_rhs.m

Example 8.26:
	Example8_26.m , hiv_rhs.m