学习MATLAB中的关系运算和逻辑运算，掌握它们的表达形式和用法。掌握MATLAB 中的选择结构和循环结构。学会用MATLAB进行M文件的编写和调用。 -Learning MATLAB relational and logical operations, control their expression in the form and usage. Master MATLAB selection structure and loop structure. Learn to write and