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%-----------------------------------------------------------
- function v1=vgb(s,a,n)
- v1(1,1)=(a(s(1,1),s(2,1))+a(s(1,1),s(1,2))+a(s(1,1),s(2,2)))/3;
- v1(1,n)=(a(s(1,n),s(2,n))+a(s(1,n),s(1,n-1))+a(s(1,n),s(2,n-1)))/3;
- v1(n,1)=(a(s(n,1),s(n,2))+a(s(n,1),s(n-1,1))+a(s(n,1),s(n-1,2)))/3;
- v1(n,n)=(a(s(n,n),s(n,n-1))+a(s(n,n),s(n-1,n))+a(s(n,n),s(n-1,n-1)))/3;
- j=1;
- for i=2:n-1
- v1(i,j)=(a(s(i,j),s(i-1,j))+a(s(i,j),s(i+1,j))+a(s(i,j),s(i,j+1))+a(s(i,j),s(i-1,j+1))+a(s(i,j),s(i+1,j+1)))/5;
- end
- j=n;
- for i=2:n-1
- v1(i,j)=(a(s(i,j),s(i-1,j))+a(s(i,j),s(i+1,j))+a(s(i,j),s(i,j-1))+a(s(i,j),s(i-1,j-1))+a(s(i,j),s(i+1,j-1)))/5;
- end
- i=1;
- for j=2:n-1
- v1(i,j)=(a(s(i,j),s(i+1,j))+a(s(i,j),s(i,j+1))+a(s(i,j),s(i,j-1))+a(s(i,j),s(i+1,j-1))+a(s(i,j),s(i+1,j+1)))/5;
- end
- i=n;
- for j=2:n-1
- v1(i,j)=(a(s(i,j),s(i-1,j))+a(s(i,j),s(i,j+1))+a(s(i,j),s(i,j-1))+a(s(i,j),s(i-1,j+1))+a(s(i,j),s(i-1,j-1)))/5;
- end
- for i=2:n-1
- for j=2:n-1
- v1(i,j)=(a(s(i,j),s(i-1,j))+a(s(i,j),s(i+1,j))+a(s(i,j),s(i,j+1))+a(s(i,j),s(i,j-1))+a(s(i,j),s(i-1,j-1))+a(s(i,j),s(i-1,j+1))+a(s(i,j),s(i+1,j-1))+a(s(i,j),s(i+1,j+1)))/8;
- end
- end
复制代码
%-------------------------------------------------------------
- function f=eight1(s,n)
- f(1,1)=s(2,1)+s(1,2)+s(2,2);
- f(1,n)=s(2,n)+s(1,n-1)+s(2,n-1);
- f(n,1)=s(n,2)+s(n-1,1)+s(n-1,2);
- f(n,n)=s(n,n-1)+s(n-1,n)+s(n-1,n-1);
- j=1;
- for i=2:n-1
- f(i,j)=s(i-1,j)+s(i+1,j)+s(i,j+1)+s(i-1,j+1)+s(i+1,j+1);
- end
- j=n;
- for i=2:n-1
- f(i,j)=s(i-1,j)+s(i+1,j)+s(i,j-1)+s(i-1,j-1)+s(i+1,j-1);
- end
- i=1;
- for j=2:n-1
- f(i,j)=s(i+1,j)+s(i,j+1)+s(i,j-1)+s(i+1,j-1)+s(i+1,j+1);
- end
- i=n;
- for j=2:n-1
- f(i,j)=s(i-1,j)+s(i,j+1)+s(i,j-1)+s(i-1,j+1)+s(i-1,j-1);
- end
- for i=2:n-1
- for j=2:n-1
- f(i,j)=s(i-1,j)+s(i+1,j)+s(i,j+1)+s(i,j-1)+s(i-1,j-1)+s(i-1,j+1)+s(i+1,j-1)+s(i+1,j+1);
- end
- end
复制代码
%-------------------------------------------------------------
- function l=eight2(s,n)
- l(1,1)=((s(2,1)+s(1,2)+s(2,2))-3)./3;
- l(1,n)=((s(2,n)+s(1,n-1)+s(2,n-1))-3)./3;
- l(n,1)=((s(n,2)+s(n-1,1)+s(n-1,2))-3)./3;
- l(n,n)=((s(n,n-1)+s(n-1,n)+s(n-1,n-1))-3)./3;
- j=1;
- for i=2:n-1
- l(i,j)=((s(i-1,j)+s(i+1,j)+s(i,j+1)+s(i-1,j+1)+s(i+1,j+1))-5)./5;
- end
- j=n;
- for i=2:n-1
- l(i,j)=((s(i-1,j)+s(i+1,j)+s(i,j-1)+s(i-1,j-1)+s(i+1,j-1))-5)./5;
- end
- i=1;
- for j=2:n-1
- l(i,j)=((s(i+1,j)+s(i,j+1)+s(i,j-1)+s(i+1,j-1)+s(i+1,j+1))-5)./5;
- end
- i=n;
- for j=2:n-1
- l(i,j)=((s(i-1,j)+s(i,j+1)+s(i,j-1)+s(i-1,j+1)+s(i-1,j-1))-5)./5;
- end
- for i=2:n-1
- for j=2:n-1
- l(i,j)=((s(i-1,j)+s(i+1,j)+s(i,j+1)+s(i,j-1)+s(i-1,j-1)+s(i-1,j+1)+s(i+1,j-1)+s(i+1,j+1))-8)./5;
- end
- end
复制代码
%--------------------------------------------------------------
- function y1=sum1(s,n)
- y1=0;
- for i=1:n;
- for j=1:n
- if s(i,j)==2
- y1=y1+1;
- end
- end
- end
复制代码- %基于CA的产业集群技术发展动力研究
- n=20;
- time=100;
- s=unifrnd(1,2,n,n);
- s=round(s);
- ran=rand(n);
- ran1=rand(n);
- ran2=rand(n);
- ran3=rand(n);
- for t=1:time
- a11=0.1;
- a12=1;
- a21=1.5;
- a22=1;
- p1=1:-0.01:0;
- p2=1:0.02:3;
- r=a12*p1(1,t);
- m=a21*p2(1,t)
- a=[a11,r;m,a22];
- w=0.9;
- v=zeros(n);
- ran=rand(n);
- t=1;
- vbt{t}=vgb(s,a,n);
- st{t}=s;
- ft{t}=eight1(s,n);
- lt{t}=eight2(s,n);
- s;
- vbt{t};
- ft{t};
- lt{t};
- for t=1:time;
- for i=1:n;
- for j=1:n;
- s0=st{t};
- s00=st{t};
- vb00=vgb(s00,a,n);
- if s0(i,j)==1
- s0(i,j)=2;
- else
- s0(i,j)=1;
- end
- vb0=vgb(s0,a,n);
- ft{t}=eight1(st{t},n);
- lt{t}=eight2(st{t},n);
- jz{t}=w*lt{t};
- if vb0(i,j)>=vb00(i,j)&jz{t}(i,j)>0.1&ran1(i,j)<=0.4&ft{t}(i,j)>=3&rand>ran3(i,j);
- st{t+1}(i,j)=s0(i,j);
- elseif vb0(i,j)>=vb00(i,j)&jz{t}(i,j)>0.1&ran1(i,j)>0.4&ran1(i,j)<=0.7&ft{t}(i,j)>=12&rand>ran3(i,j);
- st{t+1}(i,j)=s0(i,j);
- elseif vb0(i,j)>=vb00(i,j)&jz{t}(i,j)>0.1&ran1(i,j)>0.7&rand>ran3(i,j);
- st{t+1}(i,j)=s00(i,j);
- else
- st{t+1}(i,j)=s00(i,j);
- end
- end
- end
- st{t+1};
- vbt{t+1}=vgb(st{t+1},a,n);
- vbt{t+1};
- ft{t+1}=eight1(st{t+1},n);
- ft{t+1};
- lt{t+1}=eight2(st{t+1},n);
- lt{t+1};
- end
- end
- for t=1:time
- y1(t)=sum1(st{t},n);
- end
- t=1:time;
- plot(t,y1)
- title('产业集群技术发展动力')
- xlabel('模拟次数');ylabel('集群中改进技术的企业总数')
复制代码
我运行最后这段主程序的时候 matlab 没反应,好像进入死循环
[ 本帖最后由 sigma665 于 2008-7-2 10:44 编辑 ] |