里面包含9个小例子，简单的讲述了各种控件和菜单menu的应用方法-Which contains nine small example, tells the story of a simple application of various methods of controls and menu menu

MATLAB gui 设计，下拉菜单控件 的使用，选择对应法选项画出曲线-Use the drop-down menu control, the corresponding option to draw the curve