sor.rar_SOR_sor法

h0=figure('toolbar','none',... 'position',[200 150 450 250],... 'name','实例95'); h1=axes('parent',h0,... 'position',[0.05 0.15 0.65 0.6],... 'visible','off'); I=imread('abmatrix.bmp','bmp'); image(I) axis off huidiao=[... 'a=[1 0 3 0;0 2 1 2;3 1 15 0;0 2 0 4;];,',... 'b=[1 6 5 8]'';,',... 'n=4;,',... 'u=zeros(n,1);,',... 'tic,',... '[x,k]=sor(a,b,n,u);,',... 'time1=toc;,',... 'T=num2str(time1);,',... 'set(e1,''string'',[T,''秒'']);,',... 'set(e2,''string'',num2str(k));,',... 'msgbox([''X＝['',num2str(x(1)),'' '',num2str(x(2)),'' '',num2str(x(3)),'','',num2str(x(4)),'']''],''方程组的解'');']; t1=uicontrol('parent',h0,... 'units','points',... 'tag','t1',... 'style','text',... 'string','方程组如下：',... 'fontsize',15,... 'backgroundcolor',[0.75 0.75 0.75],... 'position',[20 150 100 20]); e1=uicontrol('parent',h0,... 'units','points',... 'tag','e1',... 'style','edit',... 'horizontalalignment','right',... 'backgroundcolor',[1 1 1],... 'position',[295 130 35 20]); t2=uicontrol('parent',h0,... 'units','points',... 'tag','t2',... 'style','text',... 'string','计算时间：',... 'fontsize',10,... 'backgroundcolor',[0.75 0.75 0.75],... 'position',[240 130 50 20]); e2=uicontrol('parent',h0,... 'units','points',... 'tag','e2',... 'style','edit',... 'horizontalalignment','right',... 'backgroundcolor',[1 1 1],... 'position',[295 100 35 20]); t2=uicontrol('parent',h0,... 'units','points',... 'tag','t2',... 'style','text',... 'string','迭代步数：',... 'fontsize',10,... 'backgroundcolor',[0.75 0.75 0.75],... 'position',[240 100 50 20]); b1=uicontrol('parent',h0,... 'units','points',... 'tag','b1',... 'style','pushbutton',... 'string','SOR 迭代法',... 'backgroundcolor',[0.75 0.75 0.75],... 'position',[250 60 60 20],... 'callback',huidiao); b2=uicontrol('parent',h0,... 'units','points',... 'tag','b2',... 'string','关闭',... 'style','pushbutton',... 'backgroundcolor',[0.75 0.75 0.75],... 'position',[250 30 60 20],... 'callback','close');