matlab信号处理源程序3

代码说明：

  MATLAB，即“矩阵实验室”，它是以矩阵为基本运算单元。因此，从最基本的运算单元出发，介绍MATLAB的命令及其用法3。(MATLAB, "Matrix lab," It was based on the matrix of the basic computing unit. Therefore, from the most basic computing element is introduced, and MATLAB ordered three of its use.)