rLindo (version 8.0.1)

rLSgetIIS: Retrieve the irreducibly inconsistent set (IIS) of constraints for an infeasible model.

Description

R interface function for LINDO API function LSgetIIS. For more information, please refer to LINDO API User Manual.

Usage

rLSgetIIS(model)

Arguments

model

A LINDO API model object, returned by rLScreateModel.

Value

An R list object with components:

ErrorCode

Zero if successful, nonzero otherwise.

pnSuf_r

Number of constraints in the sufficient set.

pnIIS_r

Number of rows in the IIS.

paiCons

An integer array containg indices of the rows in the IIS.

pnSuf_c

Number of column bounds in the sufficient set.

pnIIS_c

number of column bounds in the IIS.

paiVars

An integer array containg indices of the column bounds in the IIS.

panBnds

An integer array indicating whether the lower or the upper bound of the variable is in the IIS.

Details

Following a call to LSfindIIS().

References

LINDO SYSTEMS home page at www.lindo.com

See Also

rLSfindIIS