R: Dimension of an Object

dim.lpExtPtr {lpSolveAPI} | R Documentation

## Dimension of an Object

### 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 kjell.konis@me.com

### 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)

[Package lpSolveAPI version 5.5.2.0-17 Index]