河中水藻
幼苗
共回答了18个问题采纳率:94.4% 举报
min 0.2x1 + 0.7x2 + 0.4x3 + 0.3x4 + 0.8x5
3x1 + 2x2 + x3 + 6x4 + 18x5 >= 700
x1 + 0.5x2 + 0.2x3 + 2x4 + 0.5x5 >= 20
0.5x1 + x2 + 0.2x3 + 2x4 + 0.8x5 >= 100
x1,x2,x3,x4,x5 >= 0
matlab:
f = [0.2 0.7 0.4 0.3 0.8];
A = [3 2 1 6 18;1 0.5 0.2 2 0.5;0.5 1 0.2 2 0.8];
b = [700;20;100];
lb = zeros(5,1);
[x ymin] = linprog(f,-A,-b,[],[],lb)
Optimization terminated.
x =
0.0000
0.0000
0.0000
39.7436
25.6410
ymin =
32.4359
1年前
8