aaaa.m

matlab中线性规划问题的源代码,包括~~~~`

function aaaa
clear;clc;
lb=zeros(3,4);
ub=inf*ones(3,4);
ub(1,2)=2;
ub(2,3)=1.5;
ub(3,4)=1;
x0=lb;
[x,f]=fmincon(@aafun,x0,[],[],[],[],lb,ub,@aacon)
end

function y=aafun(x)
 y=-1.6*x(2,3)-1.2*x(3,1)-1.4*x(3,4);
end

function [c,ceq]=aacon(x)
 c=[];
 ceq=[x(1,1)+x(1,2)-3;
      x(2,1)+x(2,3)-1.2*x(1,1);
      x(3,1)+x(3,4)-1.5*x(1,2)-1.2*x(2,1)];
  % x =

   % 1.2500    1.7500         0         0
   % 0.0000    0.0000    1.5000         0
   % 1.6250    0.0000         0    1.0000


%f =

  % -5.7500