goalprog (version 1.0-2)

piv.llgp: Modified simplex pivot to change basis variables

Description

This function updates the elements matrix and vector to reflect the change in basis variable.

Usage

piv.llgp(tab, nevc, ndvr, verbose)

Arguments

tab

An object of class 'llgptab' that is the modified simplex tableau

nevc

The integer column index of the entering variable

ndvr

The integer row index of the departing variable

verbose

A logical value which if true prints the basis change

Value

• An object of class 'llgptab' that is the updated modified simplext tableau.

References

Ignizio, J. P. (1976). Goal Programming and Extensions, Lexington Books, D. C. Heath and Company.

See Also

llgptab