bnb20是荷兰Groningen大学Koert Kuipers编写的解决一般非线性整数规划问题的工具包，非常好的工具。但是由于年代久远，经修改后可以在matlab2015上使用。-bnb20 solve Netherlands Groningen University Koert Kuipers prepared by the general nonlinear integer programming problem toolkit, very good tool. However, due