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- 1970-1-1
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发表于 2011-1-27 08:16:59
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来自 河北廊坊
用Matlab计算的19对
主程序:
-
- clear;clc;close all
- N=19;
- x0=rand(3*N*2,1)*150;
- options = optimset('Algorithm','active-set',...
- 'MaxFunEvals ',10000000,'MaxIter',100000000);
- [xso,fval] = ...
- fmincon(@objfun,x0,[],[],[],[],[],[],@(x)confun(x,N,50,30,180),options);
- [sx,sy,sz]= sphere(80);
- xyz=[reshape(xso,[],3);0 0 0];
- X=xyz(:,1);
- Y=xyz(:,2);
- Z=xyz(:,3);
- pairs=(size(X,1)-1)/2;
- r=30;
- R=50;
- S=[R+zeros(pairs,1);r+zeros(pairs,1);180];
- C=rand(size(X,1),3);
- %-- Plot spheres
- hold on
- for j= 1:length(X)
- surf(sx*S(j)+X(j), sy*S(j)+Y(j), sz*S(j)+Z(j),...
- 'LineStyle','none',...
- 'AmbientStrength',0.4,...
- 'FaceColor',C(j,:),...
- 'SpecularStrength',0.8,...
- 'DiffuseStrength',1,...
- 'FaceAlpha',0.65,...
- 'SpecularExponent',2);
-
- end
- arrayfun(@(i)text(X(i),Y(i),Z(i),['大' num2str(i)],'HorizontalAlignment','center '),1:pairs);
- arrayfun(@(i)text(X(i),Y(i),Z(i),['小' num2str(i-pairs)],'HorizontalAlignment','center '),pairs+1:length(X)-1);
- light('Position',[0 0 1],'Style','infinit','Color',[1 1 1]);
- lighting gouraud
- view(30,15)
- daspect([1 1 1])
- axis off
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % 数据验证
- xyzL=xyz(1:N,:);
- xyzS=xyz(N+1:end-1,:);
- distLL=min(pdist(xyzL));
- distSS=min(pdist(xyzS));
- distLS=min(reshape(pdist2(xyzL,xyzS),[],1));
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目标函数
-
- function f = objfun(x)
- f = 1;
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约束条件
-
- function [c, ceq] = confun(x,N,R,r,D)
- xy=reshape(x,[],3);
- corL=xy(1:N,:);
- corS=xy(N+1:end,:);
- distofLL=min(pdist(corL));
- distofSS=min(pdist(corS));
- distofLS=min(reshape(pdist2(corL,corS),[],1));
- c=[-distofLL+2*R;
- -distofSS+2*r;
- -distofLS+(R+r);
- max(dist(corL,[0;0;0]))-(D-R);
- max(dist(corS,[0;0;0]))-(D-r);];
- ceq=[];
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计算结果:
-
- -12.9967 111.1141 66.2174
- 45.5763 -67.1468 -3.1333
- -93.3412 35.2278 50.0028
- -41.2292 -69.4249 101.8583
- -110.5846 -61.2810 30.1777
- 87.3984 66.2849 69.7516
- -119.1759 -4.4761 -51.6761
- 126.6394 -15.3803 24.3820
- -2.5950 17.4610 -34.3290
- 58.2924 26.3751 -113.1564
- 3.1944 12.4339 65.3821
- 26.5105 -70.9756 -103.3129
- -33.6687 -124.1814 18.4834
- 58.5999 -65.1649 96.0132
- -70.7720 80.2185 -73.8072
- -46.7641 -5.0845 -121.1852
- -66.7021 -87.8853 -68.6943
- 24.8975 108.5598 -66.9945
- 107.4287 67.4932 -28.2271
- 10.8557 149.5905 0.2339
- 78.1500 -5.5763 -42.5111
- 109.4665 -92.5607 37.9825
- -40.5987 139.8493 -29.6716
- 87.2219 5.0675 121.6883
- -2.1794 -135.1514 -65.0231
- -87.3022 -5.3308 119.8724
- -123.2831 83.9374 -8.6588
- -34.5107 22.8734 135.5123
- 31.7386 -6.4670 143.6206
- -87.8579 114.8118 35.6445
- -44.1601 75.6865 1.5415
- -37.6690 -44.9712 1.5326
- -12.1726 68.8074 -127.2404
- 32.0246 72.4978 12.3092
- 34.2915 -144.8668 -18.3768
- 58.3399 130.7956 32.3029
- 41.0369 -130.8021 46.6192
- 128.3568 3.3390 -76.2143
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