net.sourceforge.combean.samples.mathprog.lp.matrixrounding
Class MatrixToRoundAsLP

java.lang.Object
  net.sourceforge.combean.mathprog.lp.model.AbstractLPModelComponent
      net.sourceforge.combean.mathprog.lp.model.AbstractSimpleIndexLPModelComponent
          net.sourceforge.combean.mathprog.lp.model.AbstractSimpleIndexLPConstrainedRows
              net.sourceforge.combean.mathprog.lp.model.AbstractSimpleIndexLPConstrainedRowsWithVars
                  net.sourceforge.combean.samples.mathprog.lp.matrixrounding.MatrixToRoundAsLP

All Implemented Interfaces:

AbstractMatrix, LPConstraintSequence, LPModelComponent, LPModelRows, LPVariableSequence

public class MatrixToRoundAsLP
extends AbstractSimpleIndexLPConstrainedRowsWithVars
implements LPModelRows, LPConstraintSequence, LPVariableSequence

A matrix rounding problem as linear program.

Field Summary

Fields inherited from class net.sourceforge.combean.mathprog.lp.model.AbstractSimpleIndexLPModelComponent

columnOffsetId, rowOffsetId

Fields inherited from interface net.sourceforge.combean.interfaces.mathprog.lp.model.LPConstraintSequence

OFFSET_UNDEFINED

Fields inherited from interface net.sourceforge.combean.interfaces.mathprog.lp.model.LPVariableSequence

OFFSET_UNDEFINED

Constructor Summary

MatrixToRoundAsLP(Matrix matrixToRound)
Constructor

Method Summary

LPConstraint	getLPConstraint(int localRow) Get the constraint for a given (local) row index.
LPVariable	getLPVariable(int localColumn) Return the LP variable for a given local column index.
int	getNumColumns() Return the number of columns of the model component.
int	getNumRows() Return the number of rows of the model component.
double[][]	getRoundedMatrix(LPModelSolver solver) Translate the result of the solver back into a matrix of doubles
LPSparseVector	getRowVector(int localRow)

Methods inherited from class net.sourceforge.combean.mathprog.lp.model.AbstractSimpleIndexLPConstrainedRowsWithVars

getNumVars, getVarOffset, getVarOffsetId, isInteger, setVarOffset, setVarOffsetId

Methods inherited from class net.sourceforge.combean.mathprog.lp.model.AbstractSimpleIndexLPConstrainedRows

getConstrOffset, getConstrOffsetId, getNumConstrs, setConstrOffset, setConstrOffsetId

Methods inherited from class net.sourceforge.combean.mathprog.lp.model.AbstractSimpleIndexLPModelComponent

getColumnModelIndex, getColumnOffsetId, getColumnOffsetIds, getRowModelIndex, getRowOffsetId, getRowOffsetIds, setColumnOffsetId, setRowOffsetId

Methods inherited from class net.sourceforge.combean.mathprog.lp.model.AbstractLPModelComponent

getOrientation, setOrientation, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

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

getRowModelIndex

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

getColumnOffsetIds, getOrientation, getRowOffsetIds

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

getConstrOffset, getConstrOffsetId, getNumConstrs, setConstrOffset, setConstrOffsetId

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

getNumVars, getVarOffset, getVarOffsetId, isInteger, setVarOffset, setVarOffsetId

Constructor Detail

MatrixToRoundAsLP

public MatrixToRoundAsLP(Matrix matrixToRound)

Constructor

Parameters:

matrixToRound - the matrix to be rounded

Method Detail

getNumColumns

public int getNumColumns()

Description copied from interface: AbstractMatrix

Return the number of columns of the model component.

Specified by:

getNumColumns in interface AbstractMatrix

Returns:

the number of columns.

getNumRows

public int getNumRows()

Description copied from interface: AbstractMatrix

Return the number of rows of the model component.

Specified by:

getNumRows in interface AbstractMatrix

Returns:

the number of rows.

getLPVariable

public LPVariable getLPVariable(int localColumn)

Description copied from interface: LPVariableSequence

Return the LP variable for a given local column index.

Specified by:

getLPVariable in interface LPVariableSequence

Parameters:

localColumn - the local column index.

Returns:

the correponding LP variable.

getRowVector

public LPSparseVector getRowVector(int localRow)

Specified by:

getRowVector in interface LPModelRows

getLPConstraint

public LPConstraint getLPConstraint(int localRow)

Description copied from interface: LPConstraintSequence

Get the constraint for a given (local) row index.

Specified by:

getLPConstraint in interface LPConstraintSequence

Parameters:

localRow - a local row index.

Returns:

the corresponding LP constraint.

getRoundedMatrix

public double[][] getRoundedMatrix(LPModelSolver solver)

Translate the result of the solver back into a matrix of doubles

Parameters:

solver - the solver which has solved the model "this".

Returns:

the result given by the solver converted to a matrix of doubles.