钢管订购和运输1(3)

A(39,22)=30;A(22,39)=30; A; H=[]; HH=[];

for sw=16:39 L=[];

for i=1:40 h(i)=0; end

for i=16:39 L(i)=A(sw,i); end T=L(16); s=16;

for i=17:39 if T>L(i); T=L(i); s=i; end end

h(s)=1;

for w=16:38

for i=16:39 while h(i)==1 i=i+1; end

if i==40 break; end

L1(i)=A(s,i); L3(i)=T+L1(i); if L3(i)

while h(i)==1 i=i+1; end

if i==40

T=L(39);

else T=L(i); s=i;

%设最小数_ end

for i=16:39 %比较得最小数_ while h(i)==1 i=i+1; end if i==40 break; end

if T>L(i); T=L(i); s=i; end end

h(s)=1; end

H(sw,:)=L;

end

for i=16:39 %将距离Ｈ转化为费用ＨＨ_ for j=16:39

HH(i,j)=ch741(H(i,j)); % ch741 函数是将距离转化为费用_ end

end

for i=1:15 % 将公路的费用也输入费用矩阵ＨＨ中 for j=1:39

HH(i,j)=A(i,j)*0.1; end end

for i=16:39 for j=1:15

HH(i,j)=A(i,j)*0.1; end end

HH ;

%计算任意两点间的最小费用，并将数据输入矩阵ＨＨＨ中_ HHH=[];

for sw=16:22; % 计算Ｓ１－Ｓ７与其他点的最小费用 _ L=[]; for i=1:40 h(i)=0; end

for i=1:39

L(i)=HH(sw,i); end

T=L(1);

s=1; % T 为最小数的暂时空间_ for i=2:39

if T>L(i);

T=L(i); % 找最小数_

s=i; % S 为已用过的标志_ end end

h(s)=1;

for w=1:38 % W 为循环次数_ for i=1:39 % 换数 while h(i)==1 i=i+1; end

if i==40 break; end

L1(i)=HH(s,i); L3(i)=T+L1(i); if L3(i)

while h(i)==1 i=i+1; end

if i==40

T=L(39);

else % 设最小数_ T=L(i); s=i; end

for i=1:39 % 比较得最小数 while h(i)==1 i=i+1; end if i==40 break; end

%T;_ %LL(i); if T>L(i); T=L(i); s=i;

end end

h(s)=1; end

HHH(sw-15,:)=L; end

for j=1:7

for i=1:15

c(j,i)=HHH(j,i); end end

disp('s1-S7与A1-A15间的最小费用矩阵') c

将距离转化为费用函数是: function f=ch741(ll) rr=ll;

if rr==0

real1=0;

elseif rr<300.5 & rr>0 real1=20;

elseif rr>300.5 & rr<350.5 real1=23;

elseif rr>350.5&rr<400.5 real1=26;

elseif rr>400.5&rr<450.5 real1=29;

elseif rr>450.5 & rr<500.5 real1=32;

elseif rr>500.5 & rr<600.5 real1=37;

elseif rr>600.5 & rr<700.5 real1=44;

elseif rr>700.5 & rr<800.5 real1=50;

else

real1=fix((rr-800.5)/100)*5+55 ; end f=real1;

附录二

model: sets:

gch/1..7/:p,s; gd/1..15/:A,y,z;

links(gch,gd):x,c; endsets data:

p = 160 155 155 160 155 150 160; s = 800 800 1000 2000 2000 2000 3000;

c = 170.7 160.3 140.2 98.6 38 20.5 3.1 21.2 64.2 92 96 106 121.2 128 142

215.7 205.3 190.2 171.6 111 95.5 86 71.2 114.2 142 146 156 171.2 178 192 230.7 220.3 200.2 181.6 121 105.5 96 86.2 48.2 82 86 96 111.2 118 132 260.7 250.3 235.2 216.6 156 140.5 131 116.2 84.2 62 51 61 76.2 83 97 255.7 245.3 225.2 206.6 146 130.5 121 111.2 79.2 57 33 51 71.2 73 87 265.7 255.3 235.2 216.6 156 140.5 131 121.2 84.2 62 51 45 26.2 11 28 275.7 265.3 245.2 226.6 166 150.5 141 131.2 99.2 76 66 56 38.2 26 2;

enddata

min = W + Q + T;

W = @sum(links(i,j):p(i)*x(i,j)); Q = @sum(links(i,j):c(i,j)*x(i,j));

T = @sum(gd(j):(1+y(j))*y(j)+(1+z(j))*z(j))*0.05; z(1)+y(2)=104 ; z(2)+y(3)=301 ; z(3)+y(4)=750 ; z(4)+y(5)=606 ; z(5)+y(6)=194 ; z(6)+y(7)=205; z(7)+y(8)=201; z(8)+y(9)=680; z(9)+y(10)=480; z(10)+y(11)=300; z(11)+y(12)=220; z(12)+y(13)=210; z(13)+y(14)=420; z(14)+y(15)=500;

y(1)+z(1) = @sum(gch(i):x(i,1)); y(2)+z(2) = @sum(gch(i):x(i,2)); y(3)+z(3) = @sum(gch(i):x(i,3)); y(4)+z(4) = @sum(gch(i):x(i,4)); y(5)+z(5) = @sum(gch(i):x(i,5)); y(6)+z(6) = @sum(gch(i):x(i,6)); y(7)+z(7) = @sum(gch(i):x(i,7)); y(8)+z(8) = @sum(gch(i):x(i,8)); y(9)+z(9) = @sum(gch(i):x(i,9)); y(10)+z(10) = @sum(gch(i):x(i,10)); y(11)+z(11) = @sum(gch(i):x(i,11)); y(12)+z(12) = @sum(gch(i):x(i,12)); y(13)+z(13) = @sum(gch(i):x(i,13));