1.1Matlab 6.X简介
       1.1.121世纪的科学计算语言
             1.功能强大
             2.语言简单
             3.扩充能力强、可开发性强
             4.编程易、效率高
       1.1.2Matlab的发展历史
       1.1.3Matlab的新特点
       1.1.4Matlab的应用和网上资源
1.2Matlab 6.X的安装
1.3Matlab的桌面平台
1.4帮助系统
      1.4.1联机帮助系统
             >>helpwin == helpdesk == doc     %Help|Full Product Family Help
      1.4.2命令窗口查询帮助系统
             >>help                                          %On-line help, display text at command line.
             >>lookfor                                     %Search all M-files for keyword.
             >>exist                                         %Check if variables or functions are defined.
             >>what                                        %List MATLAB-specific files in directory.
             >>who                                         %List current variables.
             >>whos                                        %List current variables, long form.
             >>which                                       %Locate functions and files.
      1.4.3联机演示系统
             >>demos          %Help|Demos
      1.4.4常用的命令和操作技巧
             1.常用命令
             >>cd                %Change current working directory.改变工作目录
             >>clc                %Clear command window.清除命令窗
             >>clear             %Clear variables and functions from memory.清除内存变量
             >>clf                 %Clear current figure.清除图形窗口
             >>diary             %Save text of MATLAB session.日志文件命令
             >>dir                %List directory.显示目录文件
             >>disp              %Display array.显示变量或文字内容
             >>echo             %Echo commands in M-files.显示命令窗信息
             >>hold on/off    %Hold current graph.图形保持开关
             >>load              %Load workspace variables from disk.加载指定mat文件的变量
             >>pack             %Consolidate workspace memory.收集内存碎片，扩大内存空间
             >>path              %Get/set search path.显示或设置搜索目录
             >>quit               %Quit MATLAB session.退出Matlab
             >>save              %Save workspace variables to disk.保存内存变量到指定mat文件
             >>type              %List M-file.显示mat文件内容
             >>!                   %调用DOS命令
       2.常用操作技巧
             >>up             >>down
             >>left            >>right
             >>Ctrl+left    >>Ctrl+right
             >>home        >>end
             >>backspace>>del
             >>esc
1.5Matlab搜索目录
             >>path                           %path('E:\myfile',path); path(path,'E:\myfile');
             >>editpath == pathtool   %File|Set Path
             >>addpath                     %Add directory to search path.加载目录