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MATLAB线性规划模型学习笔记
2022-06-26 06:44:00 【云曦我女神】
1、MATLAB线性规划标准型

2、例题
(1)

大于号要转换为小于号,即两边变为相反数;标准型中为min,若所求为max,需要把c取负
c=[2;3;-5];%目标函数的系数,分号隔开
a=[-2,5,-1;1,3,1];%不等式的系数,注意符号
b=[-10;12];%不等式右边的值
aeq=[1,1,1];%等式的Aeq
beq=7;%等式的Beq
x=linprog(-c,a,b,aeq,beq,zeros(3,1));%注意c取负,x得到3行1列的矩阵,即x1,x2,x3的取值
value=c'*x;%z=value=系数矩阵*x值矩阵,所以要先转置
(2)

c=[2;3;1];
a=[-1,-4,-2;-3,-2,0];
b=[-8;-6];
[x,y]=linprog(c,a,b,[],[],zeros(3,1));
%这里y就是最后的结果z
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