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简单线性规划问题
2022-07-02 14:48:00 【__Rain】
- 对于目标函数的参数 c c c,因为标准型为 m i n min min,所以求最大值时需要给函数加负号变成求最小值,在函数参数中写成 − c -c −c 即可
- 对于不等式的参数 A , b A,b A,b ,标准型中为 ≤ \leq ≤,因此如果条件约束为 ≥ \geq ≥,先把所以不等式转化成 ≤ \leq ≤ 再写矩阵 A , b A,b A,b
c = [4000 3000];
A = [2 1; 1 1; 1 0];
b = [10 8 7];
lb = [0 0];
[x, fval] = linprog(-c, A, b, [], [], lb)
- 因为条件约束中没有等式,所以 a e q , b e q aeq,beq aeq,beq 用 [ ] , [ ] [ \quad ],[ \quad ] [],[] 替换即可
- 下届 l b lb lb 可以通过 z e r o s zeros zeros 函数快速创建, z e r o s ( 1 , 3 zeros(1,3 zeros(1,3 创建并返回一个 1 × 3 1\times3 1×3 的矩阵
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