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1、Matlab入门到精通ch022.基础准备及入门2.1MATLAB5.x版对外部系统的要求2.2MATLAB的安装2.3MATLAB环境的启动2.4MATLAB指令窗简介2.4.1工具条2.4.2菜单选项2.5指令窗运行入门2.5.1最简单的计算器使用法2【例2.5.1-1】求的算术运算结果。[12，2，(7,4)],3(1)用键盘在MATLAB指令窗中输入以下内容>>(12+2*(7-4))/3^2(2)在上述表达式输入完成后，按【Enter】键，该就指令被执行。(3)在指令执行后，MATLAB指令窗中将显示以下结果。ans=2
2、123，，,,A,456【例2.5.1-2】简单矩阵的输入步骤。,,,,789，，(1)在键盘上输入下列内容A=[1,2,3;4,5,6;7,8,9](2)按【Enter】键，指令被执行。(3)在指令执行后，MATLAB指令窗中将显示以下结果:A=123456789andotherbadhabits.Implementationtograbatthefront,themaximumpossibleforjobsinitiativetoachieveefficientservice.Tocarryforwardthemeticulo
3、us,detailedstyle.IntheOfficeisnosmallmatter.Businessservicesasmallmistake,itispossibletoorderatitsmeetingsdisruptedtheentire,feedbackonthecontentandtimingabitnegligent,itcouldworkinapassiveposition,slightlypoorreception,mayaffecttheimageofaplaceandunit.Therefore,theOf
4、ficestaffwithahighdegreeofprofessionalismandresponsibility,seriousandresponsible,meticulous,carefultodoeverythingtoensurethatglobalSmoothly.Tocarryforwardthehardwork,honeststyle.Adheretothe"Ningpublicandpoverty,isnotprivateandrich"oldadage,bearinginmindthepurposeofser
5、ving,consciouslyresisttheerosionofvariouscorruptionandself-discipline,integrity,donottakeleadershiponbehalfoftheOfficeforpersonalaffairs,notbannerofleadingorgansofself-serving,andalwaysmaintainandcarryforwardthefinestyleofhardwork,thriftandcareer,behonestandupright.Co
6、mrades,GovernmentOfficeworktaskisglorious,agreatresponsibility.Hopethecity'ssystemofGovernmentOfficearoundtheoverallsituation,payattentiontoimplementationofworkinthepurpose,givefullplaytostaffaides,integratedandcoordinatedimplementation,supervision,servicefunctions,cl
7、osecontact,strengthencoordination,collaboration,effortsforgrass-rootsleadershipservices,service,qualityandlevelofservicesforthemassestopushtoanewlevel.2003annualsummarymeetingoftheOfficeofthemunicipalgovernmentreportsoninnovation【例2.5.1-3】矩阵的分行输入A=[1,2,34,5,67,8,9](以下
8、是显示结果)A=123456789【例2.5.1-4】指令的续行输入(以下格式在除Notebook外的MATLAB环境中可运行)S=1–1/2+1/3–1/4+1/5–1/6...+1/7–1/8S=0.63452.5.2数值、变量和表达式2.5.
