[記錄數模集訓期間Matlab的學習過程]

① 模擬時針

clear,close all,clc degree=[0:0.01:pi*2]; plot(cos(degree),sin(degree),'r-'); set(gca,'Xtick',[],'Ytick',[]);box on; axis([-1.3 1.3 -1.3 1.3]) axis square title('模擬時鐘','Fontsize',22,'Fontname','華文行楷') %時針刻度 for m=5*pi/2:-pi/6:pi/2 a=line([9*cos(m)/10,cos(m)],[9*sin(m)/10,sin(m)],'color','r'); if(m~=5*pi/2) text(17*cos(m)/20,17*sin(m)/20,int2str(12-(6*m-3*pi)/pi),'Fontsize',10,'Fontname','Times New Roman','Color','B','HorizontalAlignment','center'); end pause(0.005) end text(0,-0.2,'CopyRight By D.C.','Fontsize',8,'Fontname','Times New Roman','Color','B','HorizontalAlignment','center'); %分針刻度 for n=0:pi/30:2*pi if mod(n,pi/6)~=0 a=line([19*cos(n)/20,cos(n)],[19*sin(n)/20,sin(n)]); end pause(0.005) end clear m,clear n; %秒針 while (1) timeNow=clock; timeN=[2*pi-timeNow(4:6)/30*pi+pi/2]; %hou=2*pi-timeNow(5)/30*pi+pi/2; %mini=2*pi-timeNow(5)/30*pi+pi/2; %sec=2*pi-timeNow(6)/30*pi+pi/2; h=timeN(1); i=timeN(2); j=timeN(3); %畫時針 %ah=line([0,18*cos(h)/20],[0 18*sin(h)/20]); bh=line([1.5*cos(h+pi/2)/20 -3*cos(h)/20],[1.5*sin(h+pi/2)/20 -3*sin(h)/20]); ch=line([1.5*cos(h-pi/2)/20 -3*cos(h)/20],[1.5*sin(h-pi/2)/20 -3*sin(h)/20]); dh=line([1.5*cos(h+pi/2)/20 14*cos(h)/20],[1.5*sin(h+pi/2)/20 14*sin(h)/20]); eh=line([1.5*cos(h-pi/2)/20 14*cos(h)/20],[1.5*sin(h-pi/2)/20 14*sin(h)/20]); %畫分針 a=line([-4*cos(i)/20,17*cos(i)/20],[-4*sin(i)/20 17*sin(i)/20]); b=line([1*cos(i+pi/2)/20 -4*cos(i)/20],[1*sin(i+pi/2)/20 -4*sin(i)/20]); c=line([1*cos(i-pi/2)/20 -4*cos(i)/20],[1*sin(i-pi/2)/20 -4*sin(i)/20]); d=line([1*cos(i+pi/2)/20 17*cos(i)/20],[1*sin(i+pi/2)/20 17*sin(i)/20]); e=line([1*cos(i-pi/2)/20 17*cos(i)/20],[1*sin(i-pi/2)/20 17*sin(i)/20]); %畫秒針 f=line([-3*cos(j)/20,18*cos(j)/20],[-3*sin(j)/20 18*sin(j)/20]); %定時檢測 pause(1) delete(bh),delete(ch),delete(dh),delete(eh) delete(a),delete(b),delete(c),delete(d),delete(e),delete(f) end

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② 數字時針

while 1 c=clock; axes('Position',[0.06,0.4,0.86,0.4]); title('數字時鐘','Fontsize',22,'Fontname','華文行楷') set(gca,'Xtick',[],'Ytick',[]);box on; str=[int2strNew(c(4)),':',int2strNew(c(5)),':',int2strNew(c(6))]; Ts=text(0.5,0.5,str,'Fontsize',80,... 'Fontname','Times New Roman','Color','B',... 'HorizontalAlignment','center'); pause(1) clf end %--------------------------------- %int2strNew.m %---------------------------------- function y=int2strNew(a) if size(int2str(a),2)==1 y=['0',int2str(a)]; else y=int2str(a); end

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CopyRight By D.C. 2011.7.22 0:21

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