exam0504a.ltx

lingo源程序,帮助求解线性和非线性规划问题,将复杂问题建模,会变得很简单.

! 易拉罐下料: 直接用原数据
Max 0.100y1-0.2226x1-0.1833x2-0.2618x3-0.1695x4-0.1571y2-0.0196y3  
s.t.
1.5x1 + 2.0x2 + 1.0x3 +3.0x4 <= 144000 
x1 + x2 + x3  <= 50000         
x4  <= 20000
x1 + 2x2 + 4x4 - y1 >=0
10x1 + 4x2 + 16x3+ 5x4 - 2y1 >=0
x1 + 2x2 + 4x4 - y1 - y2 =0
10x1 + 4x2 + 16x3+ 5x4 - 2y1 - y3=0
end