exam0504b.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：均衡数据
Max 0.100y1 - 0.2226x1 - 0.1833x2 - 0.2618x3 - 0.1695 x4 - 0.1571y2 - 0.0196y3  
s.t.
	1.5x1 + 2.0x2 + 1.0x3 +3.0x4 <= 14.4 
	x1 + x2 + x3  <= 5         
	x4  <= 2
	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