Uses of Class
org.ojalgo.optimisation.Expression

Packages that use Expression

Package	Description
org.ojalgo.optimisation

Uses of Expression in org.ojalgo.optimisation

Subclasses with type arguments of type Expression in org.ojalgo.optimisation

Modifier and Type	Class	Description
final class	Expression	Expression represents a mathematical expression in the optimization model that can serve as either a constraint or a component of the objective function.
static class	ExpressionsBasedModel.Presolver

Fields in org.ojalgo.optimisation declared as Expression

Modifier and Type	Field	Description
private final Expression	FileFormatMPS.Row.myExpression
private final Expression	SpecialOrderedSet.myExpression
private Expression	FileFormatMPS.myQuadObjExpr

Fields in org.ojalgo.optimisation with type parameters of type Expression

Modifier and Type	Field	Description
private final Map<String, Expression>	ExpressionsBasedModel.myExpressions

Methods in org.ojalgo.optimisation that return Expression

Modifier and Type	Method	Description
Expression	Expression.add(double scale, Expression values)
Expression	Expression.add(int index, double value)
Expression	Expression.add(int row, int column, double value)
Expression	Expression.add(int row, int column, long value)
Expression	Expression.add(int row, int column, Comparable<?> value)
Expression	Expression.add(int index, long value)
Expression	Expression.add(int index, Comparable<?> value)
Expression	Expression.add(long scale, Expression values)
Expression	Expression.add(Comparable<?> scale, Expression values)	Adds the scaled values from another Expression to this Expression.
Expression	Expression.add(Variable variable, double value)
Expression	Expression.add(Variable variable, long value)
Expression	Expression.add(Variable variable, Comparable<?> value)	Will add the value to this variable's factor.
Expression	Expression.add(Variable variable1, Variable variable2, double value)
Expression	Expression.add(Variable variable1, Variable variable2, long value)
Expression	Expression.add(Variable variable1, Variable variable2, Comparable<?> value)
Expression	ExpressionsBasedModel.addExpression()
Expression	ExpressionsBasedModel.addExpression(String name)
Expression	Expression.compensate(Set<Structure1D.IntIndex> fixedVariables)	Will return an Expression with factors corresponding to fixed variables removed, and lower/upper limits compensated for the fixed part of the expression.
(package private) Expression	Expression.copy(ExpressionsBasedModel destinationModel, boolean deep)
private Expression	Expression.doAdd(BigDecimal scale, Expression values)
private Expression	Expression.doAdd(Structure1D.IntIndex key, BigDecimal value)
private Expression	Expression.doAdd(Structure2D.IntRowColumn key, BigDecimal value)
(package private) Expression	Expression.doMixedIntegerRounding()
(package private) Expression	Expression.doSet(Structure1D.IntIndex key, BigDecimal value)
(package private) Expression	Expression.doSet(Structure2D.IntRowColumn key, BigDecimal value)
Expression	ExpressionsBasedModel.getExpression(String name)
(package private) Expression	FileFormatMPS.Row.getExpression()
Expression	ExpressionsBasedModel.limitObjective(BigDecimal lower, BigDecimal upper)
Expression	ExpressionsBasedModel.newExpression(String name)
Expression	ExpressionsBasedModel.objective()	This is generated on demand – you should not cache this.
private static Expression	FileFormatEBM.readExpression(ExpressionsBasedModel model, String[] fields)
Expression	Expression.set(int index, double value)
Expression	Expression.set(int row, int column, double value)
Expression	Expression.set(int row, int column, long value)
Expression	Expression.set(int row, int column, Comparable<?> value)
Expression	Expression.set(int index, long value)
Expression	Expression.set(int index, Comparable<?> value)
Expression	Expression.set(Variable variable, double value)
Expression	Expression.set(Variable variable, long value)
Expression	Expression.set(Variable variable, Comparable<?> value)	Will set (replace) the variable's factor to this value
Expression	Expression.set(Variable variable1, Variable variable2, double value)
Expression	Expression.set(Variable variable1, Variable variable2, long value)
Expression	Expression.set(Variable variable1, Variable variable2, Comparable<?> value)

Methods in org.ojalgo.optimisation that return types with arguments of type Expression

Modifier and Type	Method	Description
Stream<Expression>	ExpressionsBasedModel.constraints()	Returns a prefiltered stream of expressions that are constraints and have not been markes as redundant.
(package private) Stream<Expression>	ExpressionsBasedModel.expressions()
Collection<Expression>	ExpressionsBasedModel.getExpressions()

Methods in org.ojalgo.optimisation with parameters of type Expression

Modifier and Type	Method	Description
Expression	Expression.add(double scale, Expression values)
Expression	Expression.add(long scale, Expression values)
Expression	Expression.add(Comparable<?> scale, Expression values)	Adds the scaled values from another Expression to this Expression.
void	ExpressionsBasedModel.addSpecialOrderedSet(Collection<Variable> orderedSet, int type, Expression linkedTo)	Creates a special ordered set (SOS) presolver instance and links that to the supplied expression.
void	Expression.addTo(Expression target, BigDecimal scale)
abstract void	ModelEntity.addTo(Expression target, BigDecimal scale)	Add this (Variable or Expression) to another Expression, scaled by a factor.
void	Variable.addTo(Expression target, BigDecimal scale)
static void	Presolvers.checkFeasibility(Expression expression, Set<Structure1D.IntIndex> remaining, BigDecimal lower, BigDecimal upper, NumberContext precision, boolean relaxed)
boolean	ExpressionsBasedModel.checkSimilarity(Expression potential)	See Presolvers.checkSimilarity(Collection, Expression).
static boolean	Presolvers.checkSimilarity(Collection<Expression> current, Expression potential)	Checks if the potential Expression is similar to any in the current collection.
int	Expression.compareTo(Expression obj)
(package private) int	ExpressionsBasedModel.deriveAdjustmentRange(Expression expression)
private Expression	Expression.doAdd(BigDecimal scale, Expression values)
(package private) static boolean	Presolvers.doCase0(Expression expression, Set<Structure1D.IntIndex> remaining, BigDecimal lower, BigDecimal upper, NumberContext precision)	This constraint expression has 0 remaining free variable.
(package private) static boolean	Presolvers.doCase1(Expression expression, Set<Structure1D.IntIndex> remaining, BigDecimal lower, BigDecimal upper, NumberContext precision)	This constraint expression has 1 remaining free variable.
(package private) static boolean	Presolvers.doCase2(Expression expression, Set<Structure1D.IntIndex> remaining, BigDecimal lower, BigDecimal upper, NumberContext precision)	Checks if bounds on either of the variables (together with the expressions's bounds) implies tighter bounds on the other variable.
(package private) static boolean	Presolvers.doCaseN(Expression expression, Set<Structure1D.IntIndex> remaining, BigDecimal lower, BigDecimal upper, NumberContext precision)	Checks the sign of the limits and the sign of the expression parameters to deduce variables that in fact can only be zero.
(package private) boolean	ExpressionsBasedModel.Presolver.isApplicable(Expression target)
private static void	FileFormatEBM.readLinear(Expression current, String[] fields)
private static void	FileFormatEBM.readQuadratic(Expression current, String[] fields)
abstract boolean	ExpressionsBasedModel.Presolver.simplify(Expression expression, Set<Structure1D.IntIndex> remaining, BigDecimal lower, BigDecimal upper, NumberContext precision)
boolean	SpecialOrderedSet.simplify(Expression expression, Set<Structure1D.IntIndex> remaining, BigDecimal lower, BigDecimal upper, NumberContext precision)	The program logic here does not assume variables to be binary or even integer
private static void	FileFormatEBM.writeExpression(Expression expression, BufferedWriter writer)

Method parameters in org.ojalgo.optimisation with type arguments of type Expression

Modifier and Type	Method	Description
static boolean	Presolvers.checkSimilarity(Collection<Expression> current, Expression potential)	Checks if the potential Expression is similar to any in the current collection.
static boolean	Presolvers.reduce(Collection<Expression> expressions)

Constructors in org.ojalgo.optimisation with parameters of type Expression

Modifier	Constructor	Description
protected	Expression(Expression expressionToCopy, ExpressionsBasedModel destinationModel, boolean deep)
(package private)	SpecialOrderedSet(Structure1D.IntIndex[] sequence, int type, Expression expression)