org.ojalgo.optimisation
Class GenericSolver.Matrices<M extends GenericSolver.Matrices<M>>

java.lang.Object
  org.ojalgo.optimisation.GenericSolver.Matrices<M>

Direct Known Subclasses:

IntegerSolver.Builder, LinearSolver.Builder, QuadraticSolver.Builder

Enclosing class:

GenericSolver

public abstract static class GenericSolver.Matrices<M extends GenericSolver.Matrices<M>>
extends Object

Method Summary

M	balance() Will rescale problem parameters to minimise rounding and representation errors.
int	countEqualityConstraints()
int	countInequalityConstraints()
int	countVariables()
M	eliminate() Deprecated. Doesn't work!
M	equalities(MatrixStore<Double> AE, MatrixStore<Double> BE)
MatrixStore<Double>	getAE() [AE][X] == [BE]
MatrixStore<Double>	getAE(int... aColSelector) [AE][X] == [BE]
MatrixStore<Double>	getAI() [AI][X] <= [BI]
MatrixStore<Double>	getAI(int... aColSelector) [AI][X] <= [BI]
MatrixStore<Double>	getBE() [AE][X] == [BE]
MatrixStore<Double>	getBI() [AI][X] <= [BI]
MatrixStore<Double>	getC() Linear objective: [C]
MatrixStore<Double>	getC(int... aRowSelector) Linear objective: [C]
MatrixStore<Double>	getLE() Lagrange multipliers / dual variables for Equalities
MatrixStore<Double>	getLI() Lagrange multipliers / dual variables for Inequalities
MatrixStore<Double>	getLI(int[] aRowSelector) Lagrange multipliers / dual variables for selected inequalities
MatrixStore<Double>	getQ() Quadratic objective: [Q]
PhysicalStore<Double>	getSE() Slack for Equalities: [SE] = [BE] - [AE][X]
PhysicalStore<Double>	getSI() Slack for Inequalities: [SI] = [BI] - [AI][X]
MatrixStore<Double>	getSI(int... aRowSelector) Selected Slack for Inequalities
MatrixStore<Double>	getX() Solution / Variables: [X]
boolean	hasEqualityConstraints()
boolean	hasInequalityConstraints()
boolean	hasObjective()
M	inequalities(MatrixStore<Double> AI, MatrixStore<Double> BI)
M	objective(MatrixStore<Double> C)
M	objective(MatrixStore<Double> Q, MatrixStore<Double> C)
M	round(int aScale) Will round to the specified scale (number of decimals) on all matrices.
void	setLE(MatrixStore<Double> aMtrx)
void	setLI(MatrixStore<Double> aMtrx)
void	setX(MatrixStore<Double> aMtrx)
String	toString()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Detail

balance

public final M balance()

Will rescale problem parameters to minimise rounding and representation errors.

countEqualityConstraints

public final int countEqualityConstraints()

countInequalityConstraints

public final int countInequalityConstraints()

countVariables

public final int countVariables()

eliminate

@Deprecated
public final M eliminate()

Deprecated. Doesn't work!

Will remove redundant equality constraints.

equalities

public final M equalities(MatrixStore<Double> AE,
                          MatrixStore<Double> BE)

getAE

public final MatrixStore<Double> getAE()

[AE][X] == [BE]

getAE

public final MatrixStore<Double> getAE(int... aColSelector)

[AE][X] == [BE]

getAI

public final MatrixStore<Double> getAI()

[AI][X] <= [BI]

getAI

public final MatrixStore<Double> getAI(int... aColSelector)

[AI][X] <= [BI]

getBE

public final MatrixStore<Double> getBE()

[AE][X] == [BE]

getBI

public final MatrixStore<Double> getBI()

[AI][X] <= [BI]

getC

public final MatrixStore<Double> getC()

Linear objective: [C]

getC

public final MatrixStore<Double> getC(int... aRowSelector)

Linear objective: [C]

getLE

public final MatrixStore<Double> getLE()

Lagrange multipliers / dual variables for Equalities

getLI

public final MatrixStore<Double> getLI()

Lagrange multipliers / dual variables for Inequalities

getLI

public final MatrixStore<Double> getLI(int[] aRowSelector)

Lagrange multipliers / dual variables for selected inequalities

getQ

public final MatrixStore<Double> getQ()

Quadratic objective: [Q]

getSE

public final PhysicalStore<Double> getSE()

Slack for Equalities: [SE] = [BE] - [AE][X]

getSI

public final PhysicalStore<Double> getSI()

Slack for Inequalities: [SI] = [BI] - [AI][X]

getSI

public final MatrixStore<Double> getSI(int... aRowSelector)

Selected Slack for Inequalities

getX

public final MatrixStore<Double> getX()

Solution / Variables: [X]

hasEqualityConstraints

public final boolean hasEqualityConstraints()

hasInequalityConstraints

public final boolean hasInequalityConstraints()

hasObjective

public final boolean hasObjective()

inequalities

public final M inequalities(MatrixStore<Double> AI,
                            MatrixStore<Double> BI)

objective

public final M objective(MatrixStore<Double> C)

objective

public final M objective(MatrixStore<Double> Q,
                         MatrixStore<Double> C)

round

public final M round(int aScale)

Will round to the specified scale (number of decimals) on all matrices.

setLE

public final void setLE(MatrixStore<Double> aMtrx)

setLI

public final void setLI(MatrixStore<Double> aMtrx)

setX

public final void setX(MatrixStore<Double> aMtrx)

toString

public final String toString()

Overrides:

toString in class Object