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我试图实现一个大的线性模型,但是我有一个问题 来添加更多的变量/约束。例如,我想补充的约束,而不在基质(f.con)加入 其他零(0),如在例如:在使用R的线性编程中添加1000个约束lpSolve
library(linprog)
f.obj <- c(3,24,79,140,230,306,338,
26,78,145,226,309,336,354,
146,250,312,364,417,496,508,
314,382,424,472,503,525,548)
f.con <- matrix (c(1,1,1,1,1,1,1, 0,0,0,0,0,0,0, 0,0,0,0,0,0,0, 0,0,0,0,0,0,0,
0,0,0,0,0,0,0, 1,1,1,1,1,1,1, 0,0,0,0,0,0,0, 0,0,0,0,0,0,0,
0,0,0,0,0,0,0, 0,0,0,0,0,0,0, 1,1,1,1,1,1,1, 0,0,0,0,0,0,0,
0,0,0,0,0,0,0, 0,0,0,0,0,0,0, 0,0,0,0,0,0,0, 1,1,1,1,1,1,1)
,nrow=4, byrow=TRUE)
f.rhs <- c(10,22,8,30)
f.dir <- c("<=", "<=","<=","<=")
lp ("max", f.obj, f.con, f.dir, f.rhs)
n<-lp ("max", f.obj, f.con, f.dir, f.rhs)$solution
n
谢谢!
字符串“我”不是英语中的单词。 – 2013-08-28 18:42:30