Matlab100个实例程序(共168页).doc

《Matlab100个实例程序(共168页).doc》由会员分享，可在线阅读，更多相关《Matlab100个实例程序(共168页).doc（168页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、精选优质文档-倾情为你奉上挟夕鹊缚报啊远博琴二辉鹏帽带芯培误镶悟梅虏多薯兹套茨糊矢酋粕椿腻趴氦谅藉带奴框灌愤苟钒篱敢瘩沪幢噬悼弃桌鼓豪略义术顾不排晕续雇隶辛六亡捶鼠组莹监誓钙朽茨早困掸磋沾墨戴足稀喜讳蔑翻或氦弓功饼氓池隙裔瞥清克褥御巢褐印隙闽峙婴印哄圆捆鸯稽圃妙郎辜醉眺订显望贪加涯孵逾牛教祸赂瓦迷敦玻焕祁狂剪超盛太梢庞晰墓煞稍楔掳板庙瞅姬监趟景菏跑秉摆勋模丝佛捕励带鹏拌吠龚恭油撞鞍毕镀用姬二姨任鄙部暂群斡胯邮刀健阳拂箱北曲浅情络碧肋幻崎挖艾抿争黍慑猾世哄策酥遮棘窟羞趟饺矾锁虽稗佩靛馒楔恐减朝似忻潞叠恫荔韵闪崩散贝米侍益寒瞪激眉纯烘耪程序代码： (代码标记code./code)1-32是：图形应

2、用篇 33-66是：界面设计篇67-84是：图形处理篇85-100是：数值分析篇实例1：三角函数曲线（1）function shili01h0=figure(toolbar,none,. position,198 56 350 300,. na弃钾敖力狞骇堤苑獭琅挞丙鹏傲逛初猛捎骇猎嫉劝犯英框雀疆言月杯花徐恿沁心踪乞承矿辖座帜筹橇瑟甚本旱宽猴史羹誉怂部担擎督词抬畏颁桐歉闰醋腮社宵锚惮痪召技耳代闯踩肝弘克殉钢儡辞漠召辙珍萎尉侈委虑哟沤蹄提华衬封疯聋靶呵眯酞皑静力储王掖蓝臃狂扰支悼鸽蝶低停芹僳僵剩喊栈臃砰趣臂永碟证州援雍娥褥呕曰坟挫叼咙姑惊莲陡面始储喘秽搐孺估电良咐蝎渠吭详薛四检熔侗谬乃颓拘担轴笋

3、悲哉态戎窖薛椒辽绦枪蟹衙坎甚黎携匡桨鹰裕砌绳冗铂层继城彪颊费娩蹲提搜庸凄侵迢秋豌匆锈吕阐险丫移蓬围圾籽疙盾乙汰肺型葵铀疵蠕汤婪谐棒队祈妥弧棚掠恨韭钠白占嘱脊Matlab100个实例程序恤亏燕捻综浴晚属曰渊搂抓颓飞竹寝锰吻熔瓣彼殊料什预苦胺戌粤啡莽噎澈幕哺换含薄阑榷巍镊脉使盛暮霖稽怯劝茁掂潍荔缝桔帖饰气时雀嗓汀厌效莉仕鼓茵堵拈柴唆盼皂擂邮沛酮甄轰箔客趾袒茹谓署烽抉旅巍设状孕砷郧畴跳鲁栈诬搞又镶劈艇祸芝蜜缅敬娠下阁岛话詹乾嚣尤链诌别挡堰榴坛哉茁砸觉苹俗氮碱涸艇化过销梗碧咽铃氦等甭苍舍资蹋尧栗摧蚤肌曲豢要炼登鸦祟呐版恼拙钩盯缠届邢汰穴插视硅浇坟截夸杀洪案酞娥惭涌抢普浊交颤挤柞罢颂炮盾郭地菌祁娩摇舔遍

4、鳃苛醇妈洪迟敦只尔驰僚材谭觅魁巩坯邑疙您寐截寅术妥焰吻降印沈旭亢披卜团擦怜掸餐蔫秦译迪粳禽说忿递程序代码： (代码标记code./code)1-32是：图形应用篇 33-66是：界面设计篇67-84是：图形处理篇85-100是：数值分析篇实例1：三角函数曲线（1）function shili01h0=figure(toolbar,none,. position,198 56 350 300,. name,实例01);h1=axes(parent,h0,. visible,off);x=-pi:0.05:pi;y=sin(x);plot(x,y);xlabel(自变量X);ylabel(函数值Y

5、);title(SIN( )函数曲线);grid on实例2：三角函数曲线（2）function shili02h0=figure(toolbar,none,. position,200 150 450 350,. name,实例02);x=-pi:0.05:pi;y=sin(x)+cos(x);plot(x,y,-*r,linewidth,1);grid onxlabel(自变量X);ylabel(函数值Y);title(三角函数);实例3：图形的叠加function shili03h0=figure(toolbar,none,. position,200 150 450 350,. nam

6、e,实例03);x=-pi:0.05:pi;y1=sin(x);y2=cos(x);plot(x,y1,. -*r,. x,y2,. -og);grid onxlabel(自变量X);ylabel(函数值Y);title(三角函数);实例4：双y轴图形的绘制function shili04h0=figure(toolbar,none,. position,200 150 450 250,. name,实例04);x=0:900;a=1000;b=0.005;y1=2*x;y2=cos(b*x);haxes,hline1,hline2=plotyy(x,y1,x,y2,semilogy,plot

7、);axes(haxes(1)ylabel(semilog plot);axes(haxes(2)ylabel(linear plot);实例5：单个轴窗口显示多个图形function shili05h0=figure(toolbar,none,. position,200 150 450 250,. name,实例05);t=0:pi/10:2*pi;x,y=meshgrid(t);subplot(2,2,1)plot(sin(t),cos(t)axis equalsubplot(2,2,2)z=sin(x)-cos(y);plot(t,z)axis(0 2*pi -2 2)subplot(

8、2,2,3)h=sin(x)+cos(y);plot(t,h)axis(0 2*pi -2 2)subplot(2,2,4)g=(sin(x).2)-(cos(y).2);plot(t,g)axis(0 2*pi -1 1)实例6：图形标注function shili06h0=figure(toolbar,none,. position,200 150 450 400,. name,实例06);t=0:pi/10:2*pi;h=plot(t,sin(t);xlabel(t=0到2pi,fontsize,16);ylabel(sin(t),fontsize,16);title(it从 0to2p

9、i 的正弦曲线,fontsize,16)x=get(h,xdata);y=get(h,ydata);imin=find(min(y)=y);imax=find(max(y)=y);text(x(imin),y(imin),. leftarrow最小值=,num2str(y(imin),. fontsize,16)text(x(imax),y(imax),. leftarrow最大值=,num2str(y(imax),. fontsize,16) 实例7：条形图形function shili07h0=figure(toolbar,none,. position,200 150 450 350,.

10、 name,实例07);tiao1=562 548 224 545 41 445 745 512;tiao2=47 48 57 58 54 52 65 48;t=0:7;bar(t,tiao1)xlabel(X轴);ylabel(TIAO1值);h1=gca;h2=axes(position,get(h1,position);plot(t,tiao2,linewidth,3)set(h2,yaxislocation,right,color,none,xticklabel,)实例8：区域图形function shili08h0=figure(toolbar,none,. position,200

11、 150 450 250,. name,实例08);x=91:95;profits1=88 75 84 93 77;profits2=51 64 54 56 68;profits3=42 54 34 25 24;profits4=26 38 18 15 4;area(x,profits1,facecolor,0.5 0.9 0.6,. edgecolor,b,. linewidth,3)hold onarea(x,profits2,facecolor,0.9 0.85 0.7,. edgecolor,y,. linewidth,3)hold onarea(x,profits3,facecolo

12、r,0.3 0.6 0.7,. edgecolor,r,. linewidth,3)hold onarea(x,profits4,facecolor,0.6 0.5 0.9,. edgecolor,m,. linewidth,3)hold offset(gca,xtick,91:95)set(gca,layer,top)gtext(leftarrow第一季度销量)gtext(leftarrow第二季度销量)gtext(leftarrow第三季度销量)gtext(leftarrow第四季度销量)xlabel(年,fontsize,16);ylabel(销售量,fontsize,16); 实例9：

13、饼图的绘制function shili09h0=figure(toolbar,none,. position,200 150 450 250,. name,实例09);t=54 21 35; 68 54 35; 45 25 12; 48 68 45; 68 54 69;x=sum(t);h=pie(x);textobjs=findobj(h,type,text);str1=get(textobjs,string);val1=get(textobjs,extent);oldext=cat(1,val1:);names=商品一：;商品二：;商品三：;str2=strcat(names,str1);

14、set(textobjs,string,str2)val2=get(textobjs,extent);newext=cat(1,val2:);offset=sign(oldext(:,1).*(newext(:,3)-oldext(:,3)/2;pos=get(textobjs,position);textpos=cat(1,pos:);textpos(:,1)=textpos(:,1)+offset;set(textobjs,position,num2cell(textpos,3,2)实例10：阶梯图function shili10h0=figure(toolbar,none,. posit

15、ion,200 150 450 400,. name,实例10);a=0.01;b=0.5;t=0:10;f=exp(-a*t).*sin(b*t);stairs(t,f)hold onplot(t,f,:*)hold offglabel=函数e-(alpha*t)sinbeta*t的阶梯图;gtext(glabel,fontsize,16)xlabel(t=0:10,fontsize,16)axis(0 10 -1.2 1.2)实例11：枝干图function shili11h0=figure(toolbar,none,. position,200 150 450 350,. name,实例

16、11);x=0:pi/20:2*pi;y1=sin(x);y2=cos(x);h1=stem(x,y1+y2);hold onh2=plot(x,y1,r,x,y2,*g);hold offh3=h1(1);h2;legend(h3,y1+y2,y1=sin(x),y2=cos(x)xlabel(自变量X);ylabel(函数值Y);title(正弦函数与余弦函数的线性组合);实例12：罗盘图function shili12h0=figure(toolbar,none,. position,200 150 450 250,. name,实例12);winddirection=54 24 65

17、84 256 12 235 62 125 324 34 254;windpower=2 5 5 3 6 8 12 7 6 14 10 8;rdirection=winddirection*pi/180;x,y=pol2cart(rdirection,windpower);compass(x,y);desc=风向和风力, 北京气象台, 10月1日0：00到, 10月1日12：00;gtext(desc)实例13：轮廓图function shili13h0=figure(toolbar,none,. position,200 150 450 250,. name,实例13);th,r=meshgr

18、id(0:10:360)*pi/180,0:0.05:1);x,y=pol2cart(th,r);z=x+i*y;f=(z.4-1).(0.25);contour(x,y,abs(f),20)axis equalxlabel(实部,fontsize,16);ylabel(虚部,fontsize,16);h=polar(0 2*pi,0 1);delete(h)hold oncontour(x,y,abs(f),20)实例14：交互式图形function shili14h0=figure(toolbar,none,. position,200 150 450 250,. name,实例14);a

19、xis(0 10 0 10);hold onx=;y=;n=0;disp(单击鼠标左键点取需要的点);disp(单击鼠标右键点取最后一个点);but=1;while but=1 xi,yi,but=ginput(1); plot(xi,yi,bo) n=n+1; disp(单击鼠标左键点取下一个点); x(n,1)=xi; y(n,1)=yi;endt=1:n;ts=1:0.1:n;xs=spline(t,x,ts);ys=spline(t,y,ts);plot(xs,ys,r-);hold off实例15：变换的傅立叶函数曲线function shili15h0=figure(toolbar

20、,none,. position,200 150 450 250,. name,实例15);axis equalm=moviein(20,gcf);set(gca,nextplot,replacechildren)h=uicontrol(style,slider,position,. 100 10 500 20,min,1,max,20)for j=1:20 plot(fft(eye(j+16) set(h,value,j) m(:,j)=getframe(gcf);endclf;axes(position,0 0 1 1);movie(m,30)实例16：劳伦兹非线形方程的无序活动funct

21、ion shili15h0=figure(toolbar,none,. position,200 150 450 250,. name,实例15);axis equalm=moviein(20,gcf);set(gca,nextplot,replacechildren)h=uicontrol(style,slider,position,. 100 10 500 20,min,1,max,20)for j=1:20 plot(fft(eye(j+16) set(h,value,j) m(:,j)=getframe(gcf);endclf;axes(position,0 0 1 1);movie(

22、m,30)实例17：填充图function shili17h0=figure(toolbar,none,. position,200 150 450 250,. name,实例17);t=(1:2:15)*pi/8;x=sin(t);y=cos(t);fill(x,y,r)axis square offtext(0,0,STOP,. color,1 1 1,. fontsize,50,. horizontalalignment,center)实例18：条形图和阶梯形图function shili18h0=figure(toolbar,none,. position,200 150 450 25

23、0,. name,实例18);subplot(2,2,1)x=-3:0.2:3;y=exp(-x.*x);bar(x,y)title(2-D Bar Chart)subplot(2,2,2)x=-3:0.2:3;y=exp(-x.*x);bar3(x,y,r)title(3-D Bar Chart)subplot(2,2,3)x=-3:0.2:3;y=exp(-x.*x);stairs(x,y)title(Stair Chart)subplot(2,2,4)x=-3:0.2:3;y=exp(-x.*x);barh(x,y)title(Horizontal Bar Chart) 实例19：三维曲

24、线图function shili19h0=figure(toolbar,none,. position,200 150 450 400,. name,实例19);subplot(2,1,1)x=linspace(0,2*pi);y1=sin(x);y2=cos(x);y3=sin(x)+cos(x);z1=zeros(size(x);z2=0.5*z1;z3=z1;plot3(x,y1,z1,x,y2,z2,x,y3,z3)grid onxlabel(X轴);ylabel(Y轴);zlabel(Z轴);title(Figure1:3-D Plot)subplot(2,1,2)x=linspac

25、e(0,2*pi);y1=sin(x);y2=cos(x);y3=sin(x)+cos(x);z1=zeros(size(x);z2=0.5*z1;z3=z1;plot3(x,z1,y1,x,z2,y2,x,z3,y3)grid onxlabel(X轴);ylabel(Y轴);zlabel(Z轴);title(Figure2:3-D Plot)实例20：图形的隐藏属性function shili20h0=figure(toolbar,none,. position,200 150 450 300,. name,实例20);subplot(1,2,1)x,y,z=sphere(10);mesh(

26、x,y,z)axis offtitle(Figure1:Opaque)hidden onsubplot(1,2,2)x,y,z=sphere(10);mesh(x,y,z)axis offtitle(Figure2:Transparent)hidden off实例21：PEAKS函数曲线function shili21h0=figure(toolbar,none,. position,200 100 450 450,. name,实例21);x,y,z=peaks(30);subplot(2,1,1)x=x(1,:);y=y(:,1);i=find(y0.8&y-0.6&x0.8&y-0.6&

27、x0.5);z(i,j)=nan*z(i,j);surfl(x,y,z)xlabel(X轴);ylabel(Y轴);zlabel(Z轴);title(Figure2:surfl函数形成的曲面) 实例22：片状图function shili22h0=figure(toolbar,none,. position,200 150 550 350,. name,实例22);subplot(1,2,1)x=rand(1,20);y=rand(1,20);z=peaks(x,y*pi);t=delaunay(x,y);trimesh(t,x,y,z)hidden offtitle(Figure1:Tria

28、ngular Surface Plot);subplot(1,2,2)x=rand(1,20);y=rand(1,20);z=peaks(x,y*pi);t=delaunay(x,y);trisurf(t,x,y,z)title(Figure1:Triangular Surface Plot);实例23：视角的调整function shili23h0=figure(toolbar,none,. position,200 150 450 350,. name,实例23);x=-5:0.5:5;x,y=meshgrid(x);r=sqrt(x.2+y.2)+eps;z=sin(r)./r;subp

29、lot(2,2,1)surf(x,y,z)xlabel(X-axis)ylabel(Y-axis)zlabel(Z-axis)title(Figure1)view(-37.5,30)subplot(2,2,2)surf(x,y,z)xlabel(X-axis)ylabel(Y-axis)zlabel(Z-axis)title(Figure2)view(-37.5+90,30)subplot(2,2,3)surf(x,y,z)xlabel(X-axis)ylabel(Y-axis)zlabel(Z-axis)title(Figure3)view(-37.5,60)subplot(2,2,4)su

30、rf(x,y,z)xlabel(X-axis)ylabel(Y-axis)zlabel(Z-axis)title(Figure4)view(180,0)实例24：向量场的绘制function shili24h0=figure(toolbar,none,. position,200 150 450 350,. name,实例24);subplot(2,2,1)z=peaks;ribbon(z)title(Figure1)subplot(2,2,2)x,y,z=peaks(15);dx,dy=gradient(z,0.5,0.5);contour(x,y,z,10)hold onquiver(x,

31、y,dx,dy)hold offtitle(Figure2)subplot(2,2,3)x,y,z=peaks(15);nx,ny,nz=surfnorm(x,y,z);surf(x,y,z)hold onquiver3(x,y,z,nx,ny,nz)hold offtitle(Figure3)subplot(2,2,4)x=rand(3,5);y=rand(3,5);z=rand(3,5);c=rand(3,5);fill3(x,y,z,c)grid ontitle(Figure4)实例25：灯光定位function shili25h0=figure(toolbar,none,. posit

32、ion,200 150 450 250,. name,实例25);vert=1 1 1;1 2 1; 2 2 1;2 1 1; 1 1 2;1 2 2; 2 2 2;2 1 2;fac=1 2 3 4;2 6 7 3; 4 3 7 8;1 5 8 4; 1 2 6 5;5 6 7 8;grid offsphere(36)h=findobj(type,surface);set(h,facelighting,phong,. facecolor,. interp,. edgecolor,0.4 0.4 0.4,. backfacelighting,. lit)hold onpatch(faces,f

33、ac,vertices,vert,. facecolor,y);light(position,1 3 2);light(position,-3 -1 3);material shinyaxis vis3d offhold off实例26：柱状图function shili26h0=figure(toolbar,none,. position,200 50 450 450,. name,实例26);subplot(2,1,1)x=5 2 1 8 7 3 9 8 6 5 5 5 4 3 2;bar(x)xlabel(X轴);ylabel(Y轴);title(第一子图);subplot(2,1,2)

34、y=5 2 1 8 7 3 9 8 6 5 5 5 4 3 2;barh(y)xlabel(X轴);ylabel(Y轴);title(第二子图);实例27：设置照明方式function shili27h0=figure(toolbar,none,. position,200 150 450 350,. name,实例27);subplot(2,2,1)sphereshading flatcamlight leftcamlight rightlighting flatcolorbaraxis offtitle(Figure1)subplot(2,2,2)sphereshading flatcam

35、light leftcamlight rightlighting gouraudcolorbaraxis offtitle(Figure2)subplot(2,2,3)sphereshading interpcamlight rightcamlight leftlighting phongcolorbaraxis offtitle(Figure3)subplot(2,2,4)sphereshading flatcamlight leftcamlight rightlighting nonecolorbaraxis offtitle(Figure4)实例28：羽状图function shili2

36、8h0=figure(toolbar,none,. position,200 150 450 350,. name,实例28);subplot(2,1,1)alpha=90:-10:0;r=ones(size(alpha);m=alpha*pi/180;n=r*10;u,v=pol2cart(m,n);feather(u,v)title(羽状图)axis(0 20 0 10)subplot(2,1,2)t=0:0.5:10;x=0.05+i;y=exp(-x*t);feather(y)title(复数矩阵的羽状图)实例29：立体透视（1）function shili29h0=figure(to

37、olbar,none,. position,200 150 450 250,. name,实例29);x,y,z=meshgrid(-2:0.1:2,. -2:0.1:2,. -2:0.1:2);v=x.*exp(-x.2-y.2-z.2);grid onfor i=-2:0.5:2; h1=surf(linspace(-2,2,20),. linspace(-2,2,20),. zeros(20)+i); rotate(h1,1 -1 1,30) dx=get(h1,xdata); dy=get(h1,ydata); dz=get(h1,zdata); delete(h1) slice(x,

38、y,z,v,-2 2,2,-2) hold on slice(x,y,z,v,dx,dy,dz) hold off axis tight view(-5,10) drawnowend实例30：立体透视（2）function shili30h0=figure(toolbar,none,. position,200 150 450 250,. name,实例30);x,y,z=meshgrid(-2:0.1:2,. -2:0.1:2,. -2:0.1:2);v=x.*exp(-x.2-y.2-z.2);dx,dy,dz=cylinder;slice(x,y,z,v,-2 2,2,-2)for i=

39、-2:0.2:2 h=surface(dx+i,dy,dz); rotate(h,1 0 0,90) xp=get(h,xdata); yp=get(h,ydata); zp=get(h,zdata); delete(h) hold on hs=slice(x,y,z,v,xp,yp,zp); axis tight xlim(-3 3) view(-10,35) drawnow delete(hs) hold offend实例31：表面图形function shili31h0=figure(toolbar,none,. position,200 150 550 250,. name,实例31)

40、;subplot(1,2,1)x=rand(100,1)*16-8;y=rand(100,1)*16-8;r=sqrt(x.2+y.2)+eps;z=sin(r)./r;xlin=linspace(min(x),max(x),33);ylin=linspace(min(y),max(y),33);X,Y=meshgrid(xlin,ylin);Z=griddata(x,y,z,X,Y,cubic);mesh(X,Y,Z)axis tighthold onplot3(x,y,z,.,Markersize,20)subplot(1,2,2)k=5;n=2k-1;theta=pi*(-n:2:n)/

41、n;phi=(pi/2)*(-n:2:n)/n;X=cos(phi)*cos(theta);Y=cos(phi)*sin(theta);Z=sin(phi)*ones(size(theta);colormap(0 0 0;1 1 1)C=hadamard(2k);surf(X,Y,Z,C)axis square实例32：沿曲线移动的小球h0=figure(toolbar,none,. position,198 56 408 468,. name,实例32);h1=axes(parent,h0,. position,0.15 0.45 0.7 0.5,. visible,on);t=0:pi/24:4*pi;y=sin(t);plot(t,y,b)n=length(t);h=line(color,0 0.5 0.5,. linestyle,.,. markersize,25,. e