delete.column {lpSolveAPI} | R Documentation |
Delete a column from an lpSolve linear program model object.
delete.column(lprec, columns)
lprec |
an lpSolve linear program model object. |
columns |
a numeric vector of unique values from the set {1, ..., n} (where n is the number of decision variables in lprec ) specifying which columns should be deleted. |
a logical value is invisibly returned: TRUE
indicates that the operation was successful and FALSE
indicates that an error occurred.
Kjell Konis kjell.konis@epfl.ch
http://lpsolve.sourceforge.net/5.5/index.htm
lps.model <- make.lp(4, 0) x <- c(6,2,4,9) add.column(lps.model, x) y <- c(3,1,5) ind <- c(1,2,4) add.column(lps.model, y, ind) delete.column(lps.model, 1)