lpSolveAPI (version 5.5.2.0-17.12)

dim.lpExtPtr: Dimension of an Object

Description

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

Usage

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

Value

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

Arguments

x

an lpSolve linear program model object.

value

assignment is not supported.

Author

Kjell Konis

Details

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

References

https://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)