VB的源程序代码，为链传动的仿真程序，程序比较好懂。-VB source code, for the chain drive of the simulation program, the program is relatively easy to understand.

matlab脚本文件源代码解决闭环供应链网络均衡的变分不等式好用(Matlab scr ipt file source code to solve the closed-loop supply chain network equilibrium variational inequality)