dim.lpExtPtr: Dimension of an Object

In lpSolveAPI: R Interface to 'lp_solve' Version 5.5.2.0

Description

Retrieve the dimension (number of rows and columns) from an lpSolve linear program model object.

Usage

## S3 method for class 'lpExtPtr'
dim(x)
## S3 replacement method for class 'lpExtPtr'
dim(x) <- value

Arguments

x	an lpSolve linear program model object.
value	assignment is not supported.

Details

Setting the number of rows/columns is not supported. See resize.lp.

Value

an integer vector of length two containing the number of rows and the number of columns in the lpSolve linear program model object.

Author(s)

Kjell Konis [e-mail]

References

http://lpsolve.sourceforge.net/5.5/index.htm

See Also

resize.lp

Examples

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)

dim(lps.model)

Example output

[1] 4 2

lpSolveAPI documentation built on May 2, 2019, 6:50 p.m.