net.sourceforge.combean.interfaces.mathprog.lp.model
Interface LPModelColumns

All Superinterfaces:

AbstractMatrix, LPModelComponent

All Known Subinterfaces:

LPModelMatrix

All Known Implementing Classes:

ConcatenatedLPModelColumns, GraphAsLPModelColumns, MatrixAsLPModelMatrix

public interface LPModelColumns
extends LPModelComponent

An LP component which can be accessed column-wise.

Method Summary

LPModelIndex	getColumnModelIndex(int localColumn) Convert a local index into a model index.
LPSparseVector	getColumnVector(int localColumn)

Methods inherited from interface net.sourceforge.combean.interfaces.mathprog.lp.model.LPModelComponent

getColumnOffsetIds, getOrientation, getRowOffsetIds

Methods inherited from interface net.sourceforge.combean.interfaces.mathprog.linalg.AbstractMatrix

getNumColumns, getNumRows

Method Detail

getColumnModelIndex

LPModelIndex getColumnModelIndex(int localColumn)

Convert a local index into a model index.

Parameters:

localColumn - the local column.

Returns:

the correponding model index.

getColumnVector

LPSparseVector getColumnVector(int localColumn)