1．进一步掌握栈的基本操作的实现。 2．掌握栈在算术表达式的计算方面的应用。 -1. Further understand the basic operation of the stack implementation. 2. Control stack in the calculation of arithmetic expression applications.

matlab的启动与退出，中间变量，算术表达式和函数的调用，矩阵的运算等等。-matlab startup and exit, intermediate variables, arithmetic expressions and function calls, matrix operations, etc..