说明：  [版块汇总] 建模和应用 (数学模型、工程实例、工具箱) 下面使我们在建模，学习，应用中经常用到的一些数学模型，期望对您的工作学习有所帮助。
([Forum Summary] modeling, and applications (mathematical model, project examples, the toolbox) The following to enable us to model, study and application of some frequently used mathematical model, expectations of your work and study help.)