QuadTermMap

java.lang.Object
- com.dashoptimization.objects.Expression
- - com.dashoptimization.objects.AbstractExpression
  - - com.dashoptimization.objects.QuadExpression
    - - com.dashoptimization.objects.QuadTermMap

```
public final class QuadTermMap
extends QuadExpression
```
A quadratic expression. This class implements a quadratic expression as a map from variables to values.

Since:

43.00

Constructor Summary

Constructor	Description
`QuadTermMap()`	Create a new empty expression.
`QuadTermMap(double constant)`	Create an expression with a constant term.

Method Summary

Modifier and Type	Method	Description
`QuadTermMap`	`addConstant(double c)`	Add a value to the constant term of this expression.
`QuadTermMap`	`addTerm(double coefficient, Variable variable)`	Add a term to this expression.
`QuadTermMap`	`addTerm(double coefficient, Variable variable1, Variable variable2)`	Add a term to this expression.
`QuadTermMap`	`addTerm(Variable x)`	Add term `1.0*x` to this expression.
`QuadTermMap`	`addTerm(Variable variable, double coefficient)`	Add a term to this expression.
`QuadTermMap`	`addTerm(Variable x1, Variable x2)`	Add term `1.0x1x2` to this expression.
`QuadTermMap`	`addTerm(Variable variable1, Variable variable2, double coefficient)`	Add a term to this expression.
`QuadTermMap`	`addTerms(LinExpression expr)`	Add another linear expression to this expression.
`QuadTermMap`	`addTerms(LinExpression expr, double factor)`	Add another linear expression to this expression.
`QuadTermMap`	`addTerms(QuadExpression expr)`	Add another quadratic expression to this expression.
`QuadTermMap`	`addTerms(QuadExpression expr, double factor)`	Add another quadratic expression to this expression.
`QuadTermMap`	`addTerms(Variable[] variables, double[] coefficients)`	Add multiple terms to this expression.
`QuadTermMap`	`addTerms(Variable[] variables, double[] coefficients, int offset, int count)`	Add multiple terms to this expression.
`QuadTermMap`	`addTerms(Variable[] variables1, Variable[] variables2, double[] coefficients)`	Add multiple terms to this expression.
`QuadTermMap`	`addTerms(Variable[] variables1, Variable[] variables2, double[] coefficients, int offset, int count)`	Add multiple terms to this expression.
`QuadTermMap`	`addTerms(java.lang.Iterable<Variable> variables1, java.lang.Iterable<Variable> variables2, java.lang.Iterable<java.lang.Double> coefficients)`	Add multiple terms to this expression.
`QuadTermMap`	`addTerms(java.lang.Iterable<Variable> variables, java.lang.Iterable<java.lang.Double> coefficients)`	Add multiple terms to this expression.
`QuadTermMap`	`addTerms(java.util.stream.Stream<Variable> variables1, java.util.stream.Stream<Variable> variables2, java.util.stream.Stream<java.lang.Double> coefficients)`	Add multiple quadratic terms to this expression.
`QuadTermMap`	`addTerms(java.util.stream.Stream<Variable> variables, java.util.stream.Stream<java.lang.Double> coefficients)`	Add multiple linear terms to this expression.
`QuadExpression`	`deepCopy()`	Get a deep copy of this expression.
`QuadExpression`	`deepCopy(double factor)`	Get a deep copy of this expression multiplied by a constant
`double`	`evaluate(double[] solution)`	Compute the value of this expression with respect to the given solution vector (which is not required to be feasible).
`double`	`getCoefficient(Variable variable)`	Get the coefficient for a variable.
`double`	`getCoefficient(Variable variable1, Variable variable2)`	Get the coefficient for a variable product.
`double`	`getConstant()`	Get the constant value in this expression.
`QuadTermMap`	`reset()`	Clear this expression.
`QuadTermMap`	`setCoefficient(Variable variable, double coefficient)`	Set the coefficient for a variable in this expression.
`QuadTermMap`	`setCoefficient(Variable variable1, Variable variable2, double coefficient)`	Set the coefficient for a variable product in this expression.
`QuadTermMap`	`setConstant(double c)`	Set the constant term in this expression.
`java.lang.String`	`toString()`

Methods inherited from class com.dashoptimization.objects.QuadExpression
addTerm, addTerm, create, create, create, setCreateLists

Methods inherited from class com.dashoptimization.objects.AbstractExpression
eq, eq, geq, geq, in, leq, leq

Methods inherited from class com.dashoptimization.objects.Expression
div, div, minus, minus, mul, mul, plus, plus, uminus

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - QuadTermMap
```
public QuadTermMap()
```
    Create a new empty expression.
    
    Since:
    
    43.00
  - QuadTermMap
```
public QuadTermMap(double constant)
```
    Create an expression with a constant term.
    
    Parameters:
    
    constant - Constant term in new expression.
    
    Since:
    
    43.00
- Method Detail
  - deepCopy
```
public QuadExpression deepCopy()
```
    Get a deep copy of this expression.
    
    Specified by:
    
    deepCopy in class QuadExpression
    
    Returns:
    
    A deep copy of this expression.
    
    Since:
    
    43.00
  - deepCopy
```
public QuadExpression deepCopy(double factor)
```
    Get a deep copy of this expression multiplied by a constant
    
    Specified by:
    
    deepCopy in class QuadExpression
    
    Parameters:
    
    factor - Factor to scale this with.
    
    Returns:
    
    A deep copy of this expression multiplied by factor.
    
    Since:
    
    43.00
  - reset
```
public QuadTermMap reset()
```
    Clear this expression. Removes all terms and sets the constant to 0.
    
    Specified by:
    
    reset in class QuadExpression
    
    Returns:
    
    Always returns this.
    
    Since:
    
    43.00
  - addTerms
```
public QuadTermMap addTerms(java.util.stream.Stream<Variable> variables,
                            java.util.stream.Stream<java.lang.Double> coefficients)
```
    Add multiple linear terms to this expression. Adds the scalar product defined by the element-wise multiplication of variables and coefficients.
    
    Overrides:
    
    addTerms in class QuadExpression
    
    Parameters:
    
    variables - Variables.
    
    coefficients - Coefficients.
    
    Returns:
    
    Always returns this.
    
    Since:
    
    43.00
  - addTerms
```
public QuadTermMap addTerms(java.util.stream.Stream<Variable> variables1,
                            java.util.stream.Stream<Variable> variables2,
                            java.util.stream.Stream<java.lang.Double> coefficients)
```
    Add multiple quadratic terms to this expression. Adds the scalar product defined by the element-wise multiplication of variables1, variables2 and coefficients.
    
    Overrides:
    
    addTerms in class QuadExpression
    
    Parameters:
    
    variables1 - First variables.
    
    variables2 - Second variables.
    
    coefficients - Coefficients.
    
    Returns:
    
    Always returns this.
    
    Since:
    
    43.00
  - addTerms
```
public QuadTermMap addTerms(java.lang.Iterable<Variable> variables,
                            java.lang.Iterable<java.lang.Double> coefficients)
```
    Add multiple terms to this expression. Adds the scalar product defined by the element-wise multiplication of variables and coefficients.
    
    Overrides:
    
    addTerms in class QuadExpression
    
    Parameters:
    
    variables - Variables
    
    coefficients - Coefficients
    
    Returns:
    
    Always returns this.
    
    Since:
    
    43.00
  - addTerms
```
public QuadTermMap addTerms(java.lang.Iterable<Variable> variables1,
                            java.lang.Iterable<Variable> variables2,
                            java.lang.Iterable<java.lang.Double> coefficients)
```
    Add multiple terms to this expression. Adds the scalar product defined by the element-wise multiplication of variables1, variables2 and coefficients.
    
    Overrides:
    
    addTerms in class QuadExpression
    
    Parameters:
    
    variables1 - First variables
    
    variables2 - Second variables
    
    coefficients - Coefficients
    
    Returns:
    
    Always returns this.
    
    Since:
    
    43.00
  - addTerms
```
public QuadTermMap addTerms(Variable[] variables,
                            double[] coefficients)
```
    Add multiple terms to this expression. Adds the scalar product defined by the element-wise multiplication of variables and coefficients.
    
    Overrides:
    
    addTerms in class QuadExpression
    
    Parameters:
    
    variables - Variables
    
    coefficients - Coefficients
    
    Returns:
    
    Always returns this.
    
    Since:
    
    43.00
  - addTerms
```
public QuadTermMap addTerms(Variable[] variables1,
                            Variable[] variables2,
                            double[] coefficients)
```
    Add multiple terms to this expression. Adds the scalar product defined by the element-wise multiplication of variables1, variables2 and coefficients.
    
    Overrides:
    
    addTerms in class QuadExpression
    
    Parameters:
    
    variables1 - First variables
    
    variables2 - Second variables
    
    coefficients - Coefficients
    
    Returns:
    
    Always returns this.
    
    Since:
    
    43.00
  - addTerms
```
public QuadTermMap addTerms(Variable[] variables,
                            double[] coefficients,
                            int offset,
                            int count)
```
    Add multiple terms to this expression. Adds the scalar product defined by the element-wise multiplication of variables and coefficients using count elements starting from offset.
    
    Overrides:
    
    addTerms in class QuadExpression
    
    Parameters:
    
    variables - Variables
    
    coefficients - Coefficients
    
    offset - Offset into arrays.
    
    count - Number of elements to use from each array.
    
    Returns:
    
    Always returns this.
    
    Since:
    
    43.00
  - addTerms
```
public QuadTermMap addTerms(Variable[] variables1,
                            Variable[] variables2,
                            double[] coefficients,
                            int offset,
                            int count)
```
    Add multiple terms to this expression. Adds the scalar product defined by the element-wise multiplication of variables1, variables2 and coefficients using count elements starting from offset.
    
    Overrides:
    
    addTerms in class QuadExpression
    
    Parameters:
    
    variables1 - First variables
    
    variables2 - Second variables
    
    coefficients - Coefficients
    
    offset - Offset into arrays.
    
    count - Number of elements to use from each array.
    
    Returns:
    
    Always returns this.
    
    Since:
    
    43.00
  - addTerm
```
public QuadTermMap addTerm(Variable variable,
                           double coefficient)
```
    Add a term to this expression. If the expression already has a coefficient for variable then the old and the new coefficients will be added.
    Examples using addTerm:
    
    Catenary.java
    
    CuttingStock.java
    
    ELS.java
    
    ELSCut.java
    
    ELSManagedCuts.java
    
    FolioIIS.java
    
    FolioQC.java
    
    FolioQP.java
    
    Pplan.java
    
    Pplan2.java
    
    ProductionPlanning_Index.java
    
    QuadraticProgramming.java
    
    RecursiveFinancialPlanning.java
    
    Sangraalind.java
    
    TravelingSalesPerson.java
    Specified by:
    
    addTerm in class QuadExpression
    
    Parameters:
    
    variable - Variable.
    
    coefficient - Coefficient to add for variable.
    
    Returns:
    
    Always returns this.
    
    Since:
    
    43.00
  - addTerm
```
public QuadTermMap addTerm(double coefficient,
                           Variable variable)
```
    Add a term to this expression. If the expression already has a coefficient for variable then the old and the new coefficients will be added.
    Examples using addTerm:
    
    Catenary.java
    
    CuttingStock.java
    
    ELS.java
    
    ELSCut.java
    
    ELSManagedCuts.java
    
    FolioIIS.java
    
    FolioQC.java
    
    FolioQP.java
    
    Pplan.java
    
    Pplan2.java
    
    ProductionPlanning_Index.java
    
    QuadraticProgramming.java
    
    RecursiveFinancialPlanning.java
    
    Sangraalind.java
    
    TravelingSalesPerson.java
    Specified by:
    
    addTerm in class QuadExpression
    
    Parameters:
    
    coefficient - Coefficient to add for variable.
    
    variable - Variable.
    
    Returns:
    
    Always returns this.
    
    Since:
    
    43.00
  - addTerm
```
public QuadTermMap addTerm(Variable x)
```
    Add term 1.0*x to this expression. If the expression already has a coefficient for x then the old and the new coefficients will be added.
    Examples using addTerm:
    
    Catenary.java
    
    CuttingStock.java
    
    ELS.java
    
    ELSCut.java
    
    ELSManagedCuts.java
    
    FolioIIS.java
    
    FolioQC.java
    
    FolioQP.java
    
    Pplan.java
    
    Pplan2.java
    
    ProductionPlanning_Index.java
    
    QuadraticProgramming.java
    
    RecursiveFinancialPlanning.java
    
    Sangraalind.java
    
    TravelingSalesPerson.java
    Specified by:
    
    addTerm in class QuadExpression
    
    Parameters:
    
    x - Variable.
    
    Returns:
    
    Always returns this.
    
    Since:
    
    43.00
  - addTerm
```
public QuadTermMap addTerm(Variable variable1,
                           Variable variable2,
                           double coefficient)
```
    Add a term to this expression. If the expression already has a coefficient for variable1*variable2 then the old and the new coefficients will be added.
    Examples using addTerm:
    
    Catenary.java
    
    CuttingStock.java
    
    ELS.java
    
    ELSCut.java
    
    ELSManagedCuts.java
    
    FolioIIS.java
    
    FolioQC.java
    
    FolioQP.java
    
    Pplan.java
    
    Pplan2.java
    
    ProductionPlanning_Index.java
    
    QuadraticProgramming.java
    
    RecursiveFinancialPlanning.java
    
    Sangraalind.java
    
    TravelingSalesPerson.java
    Specified by:
    
    addTerm in class QuadExpression
    
    Parameters:
    
    variable1 - First variable.
    
    variable2 - Second variable.
    
    coefficient - Coefficient to add for variable1*variable2.
    
    Returns:
    
    Always returns this.
    
    Since:
    
    43.00
  - addTerm
```
public QuadTermMap addTerm(double coefficient,
                           Variable variable1,
                           Variable variable2)
```
    Add a term to this expression. If the expression already has a coefficient for variable1*variable2 then the old and the new coefficients will be added.
    Examples using addTerm:
    
    Catenary.java
    
    CuttingStock.java
    
    ELS.java
    
    ELSCut.java
    
    ELSManagedCuts.java
    
    FolioIIS.java
    
    FolioQC.java
    
    FolioQP.java
    
    Pplan.java
    
    Pplan2.java
    
    ProductionPlanning_Index.java
    
    QuadraticProgramming.java
    
    RecursiveFinancialPlanning.java
    
    Sangraalind.java
    
    TravelingSalesPerson.java
    Specified by:
    
    addTerm in class QuadExpression
    
    Parameters:
    
    coefficient - Coefficient to add for variable1*variable2.
    
    variable1 - First variable.
    
    variable2 - Second variable.
    
    Returns:
    
    Always returns this.
    
    Since:
    
    43.00
  - addTerm
```
public QuadTermMap addTerm(Variable x1,
                           Variable x2)
```
    Add term 1.0*x1*x2 to this expression. If the expression already has a coefficient for x then the old and the new coefficients will be added.
    Examples using addTerm:
    
    Catenary.java
    
    CuttingStock.java
    
    ELS.java
    
    ELSCut.java
    
    ELSManagedCuts.java
    
    FolioIIS.java
    
    FolioQC.java
    
    FolioQP.java
    
    Pplan.java
    
    Pplan2.java
    
    ProductionPlanning_Index.java
    
    QuadraticProgramming.java
    
    RecursiveFinancialPlanning.java
    
    Sangraalind.java
    
    TravelingSalesPerson.java
    Specified by:
    
    addTerm in class QuadExpression
    
    Parameters:
    
    x1 - First variable.
    
    x2 - Second variable.
    
    Returns:
    
    Always returns this.
    
    Since:
    
    43.00
  - addTerms
```
public QuadTermMap addTerms(LinExpression expr)
```
    Add another linear expression to this expression.
    
    Specified by:
    
    addTerms in class QuadExpression
    
    Parameters:
    
    expr - The expression to add
    
    Returns:
    
    Always returns this.
    
    Since:
    
    43.00
  - addTerms
```
public QuadTermMap addTerms(QuadExpression expr)
```
    Add another quadratic expression to this expression.
    
    Specified by:
    
    addTerms in class QuadExpression
    
    Parameters:
    
    expr - The expression to add
    
    Returns:
    
    Always returns this.
    
    Since:
    
    43.00
  - addTerms
```
public QuadTermMap addTerms(LinExpression expr,
                            double factor)
```
    Add another linear expression to this expression.
    
    Specified by:
    
    addTerms in class QuadExpression
    
    Parameters:
    
    expr - The expression to add.
    
    factor - Factor by which to multiply elements in expr before adding.
    
    Returns:
    
    Always returns this.
    
    Since:
    
    43.00
  - addTerms
```
public QuadTermMap addTerms(QuadExpression expr,
                            double factor)
```
    Add another quadratic expression to this expression.
    
    Specified by:
    
    addTerms in class QuadExpression
    
    Parameters:
    
    expr - The expression to add.
    
    factor - Factor by which to multiply elements in expr before adding.
    
    Returns:
    
    Always returns this.
    
    Since:
    
    43.00
  - setCoefficient
```
public QuadTermMap setCoefficient(Variable variable,
                                  double coefficient)
```
    Set the coefficient for a variable in this expression. Any existing coefficient will be overwritten.
    
    Parameters:
    
    variable - objects.Variable index.
    
    coefficient - New coefficient for variable.
    
    Returns:
    
    Always returns this.
    
    Since:
    
    43.00
  - setCoefficient
```
public QuadTermMap setCoefficient(Variable variable1,
                                  Variable variable2,
                                  double coefficient)
```
    Set the coefficient for a variable product in this expression. Any existing coefficient will be overwritten.
    
    Parameters:
    
    variable1 - First variable index.
    
    variable2 - Second variable index.
    
    coefficient - New coefficient for variable.
    
    Returns:
    
    Always returns this.
    
    Since:
    
    43.00
  - getCoefficient
```
public double getCoefficient(Variable variable)
```
    Get the coefficient for a variable.
    
    Parameters:
    
    variable - objects.Variable to query.
    
    Returns:
    
    The coefficient for variable in this expression.
    
    Since:
    
    43.00
  - getCoefficient
```
public double getCoefficient(Variable variable1,
                             Variable variable2)
```
    Get the coefficient for a variable product.
    
    Parameters:
    
    variable1 - First variable to query.
    
    variable2 - Second variable to query.
    
    Returns:
    
    The coefficient for variable in this expression.
    
    Since:
    
    43.00
  - addConstant
```
public QuadTermMap addConstant(double c)
```
    Add a value to the constant term of this expression.
    
    Specified by:
    
    addConstant in class QuadExpression
    
    Parameters:
    
    c - The constant to add.
    
    Returns:
    
    Always returns this.
    
    Since:
    
    43.00
  - setConstant
```
public QuadTermMap setConstant(double c)
```
    Set the constant term in this expression. Any existing constant term will be overwritten.
    
    Specified by:
    
    setConstant in class QuadExpression
    
    Parameters:
    
    c - New constant term for this expression
    
    Returns:
    
    Always returns this.
    
    Since:
    
    43.00
  - getConstant
```
public double getConstant()
```
    Get the constant value in this expression.
    
    Specified by:
    
    getConstant in class QuadExpression
    
    Returns:
    
    The constant value in this expression.
    
    Since:
    
    43.00
  - evaluate
```
public double evaluate(double[] solution)
```
    Compute the value of this expression with respect to the given solution vector (which is not required to be feasible).
    Examples using evaluate:
    
    CapitalBudgeting.java
    
    PolygonObjects.java
    Specified by:
    
    evaluate in class Expression
    
    Parameters:
    
    solution - Solution values for which the expression is evaluated.
    
    Returns:
    
    The value of this expression evaluated at solution.
    
    Since:
    
    43.00
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
    
    Returns:
    
    Since:
    
    43.00

© 2001-2025 Fair Isaac Corporation. All rights reserved. This documentation is the property of Fair Isaac Corporation (“FICO”). Receipt or possession of this documentation does not convey rights to disclose, reproduce, make derivative works, use, or allow others to use it except solely for internal evaluation purposes to determine whether to purchase a license to the software described in this documentation, or as otherwise set forth in a written software license agreement between you and FICO (or a FICO affiliate). Use of this documentation and the software described in it must conform strictly to the foregoing permitted uses, and no other use is permitted.

Contents

Index

Glossary

Search Results

QuadTermMap

Constructor Summary

Method Summary

Methods inherited from class com.dashoptimization.objects.QuadExpression

Methods inherited from class com.dashoptimization.objects.AbstractExpression

Methods inherited from class com.dashoptimization.objects.Expression

Methods inherited from class java.lang.Object

Constructor Detail

QuadTermMap

QuadTermMap

Method Detail

deepCopy

deepCopy

reset

addTerms

addTerms

addTerms

addTerms

addTerms

addTerms

addTerms

addTerms

addTerm

addTerm

addTerm

addTerm

addTerm

addTerm

addTerms

addTerms

addTerms

addTerms

setCoefficient

setCoefficient

getCoefficient

getCoefficient

addConstant

setConstant

getConstant

evaluate

toString