QuadTerm

java.lang.Object
- com.dashoptimization.objects.Expression
- - com.dashoptimization.objects.AbstractExpression
  - - com.dashoptimization.objects.QuadTerm

public final class QuadTerm
extends AbstractExpression

A quadratic term.

Since:: 43.00

Constructor Summary

Constructor	Description
`QuadTerm(Variable variable1, Variable variable2, double coefficient)`	Create a new term.

Method Summary

Modifier and Type	Method	Description
`QuadTerm`	`div(double arg)`	Create a new expression that represents the quotient of `this` and `arg`.
`QuadTerm`	`div(ConstantExpression arg)`	Create a new expression that represents the quotient of `this` and `arg`.
`Expression`	`div(Expression arg)`	Create a new expression that represents the quotient of `this` and `arg`.
`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`	`getVariable1()`
`Variable`	`getVariable2()`
`QuadTerm`	`mul(double arg)`	Create a new expression that represents the product of `this` and `arg`.
`QuadTerm`	`mul(ConstantExpression arg)`	Create a new expression that represents the product of `this` and `arg`.
`Expression`	`mul(Expression arg)`	Create a new expression that represents the product of `this` and `arg`.
`static QuadTerm`	`qTerm(Variable variable1, Variable variable2)`	Convenience function to create a single quadratic term.
`static QuadTerm`	`qTerm(Variable variable1, Variable variable2, double coefficient)`	Convenience function to create a single quadratic term.
`java.lang.String`	`toString()`
`static java.lang.String`	`toString(Variable v1, Variable v2, double coef)`	Convert a quadratic term to a string.
`QuadTerm`	`uminus()`	Create a new expression that represents the unary minus of this one.

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

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

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

- Constructor Detail
  - QuadTerm
```
public QuadTerm(Variable variable1,
                Variable variable2,
                double coefficient)
```
    Create a new term.
    
    Parameters:
    
    variable1 - First variable in the term.
    
    variable2 - Second variable in the term.
    
    coefficient - Coefficient for variable1 * variable2.
    
    Since:
    
    43.00
- Method Detail
  - getVariable1
```
public Variable getVariable1()
```
  - getVariable2
```
public Variable getVariable2()
```
  - getCoefficient
```
public double getCoefficient()
```
  - 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).
    
    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
  - qTerm
```
public static QuadTerm qTerm(Variable variable1,
                             Variable variable2,
                             double coefficient)
```
    Convenience function to create a single quadratic term.
    
    Parameters:
    
    variable1 - First variable for term.
    
    variable2 - Second variable for term.
    
    coefficient - Coefficient for term.
    
    Returns:
    
    The newly created term.
    
    Since:
    
    43.00
  - qTerm
```
public static QuadTerm qTerm(Variable variable1,
                             Variable variable2)
```
    Convenience function to create a single quadratic term. Creates the term 1 * variable1 * variable2.
    
    Parameters:
    
    variable1 - First variable for term.
    
    variable2 - Second variable for term.
    
    Returns:
    
    The newly created term.
    
    Since:
    
    43.00
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
    
    Returns:
    
    Since:
    
    43.00
  - toString
```
public static java.lang.String toString(Variable v1,
                                        Variable v2,
                                        double coef)
```
    Convert a quadratic term to a string. Note that while the QuadTerm class does not allow XpressProblem.NULL_VARIABLE as either of the variables, this function allows those variables to indicate constant or linear terms.
    Used in these examples:
    
    GlobalRHSParametrics
    
    IISExample
    
    Knapsack
    
    Trimloss
    Parameters:
    
    v1 - First variable in quadratic term.
    
    v2 - Second variable in quadratic term.
    
    coef - Coeffcient for quadratic term.
    
    Returns:
    
    String representation of coef*v1*v2.
    
    Since:
    
    43.00
  - uminus
```
public QuadTerm uminus()
```
    Create a new expression that represents the unary minus of this one.
    
    Overrides:
    
    uminus in class Expression
    
    Returns:
    
    Expression representing -this.
    
    Since:
    
    43.00
  - mul
```
public Expression mul(Expression arg)
```
    Create a new expression that represents the product of this and arg.
    
    Overrides:
    
    mul in class Expression
    
    Parameters:
    
    arg - Factor.
    
    Returns:
    
    Product of this and arg.
    
    Since:
    
    43.00
  - mul
```
public QuadTerm mul(ConstantExpression arg)
```
    Create a new expression that represents the product of this and arg.
    
    Parameters:
    
    arg - Factor.
    
    Returns:
    
    The new expression.
    
    Since:
    
    43.00
  - mul
```
public QuadTerm mul(double arg)
```
    Create a new expression that represents the product of this and arg.
    
    Overrides:
    
    mul in class Expression
    
    Parameters:
    
    arg - Factor.
    
    Returns:
    
    Product of this and arg.
    
    Since:
    
    43.00
  - div
```
public Expression div(Expression arg)
```
    Create a new expression that represents the quotient of this and arg.
    
    Overrides:
    
    div in class Expression
    
    Parameters:
    
    arg - Divisor.
    
    Returns:
    
    Quotient of this and arg.
    
    Since:
    
    43.00
  - div
```
public QuadTerm div(ConstantExpression arg)
```
    Create a new expression that represents the quotient of this and arg.
    
    Parameters:
    
    arg - Divisor.
    
    Returns:
    
    The new expression.
    
    Since:
    
    43.00
  - div
```
public QuadTerm div(double arg)
```
    Create a new expression that represents the quotient of this and arg.
    
    Overrides:
    
    div in class Expression
    
    Parameters:
    
    arg - Divisor.
    
    Returns:
    
    Quotient of this and arg.
    
    Since:
    
    43.00

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Contents

Index

Glossary

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QuadTerm

Constructor Summary

Method Summary

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

QuadTerm

Method Detail

getVariable1

getVariable2

getCoefficient

evaluate

qTerm

qTerm

toString

toString

uminus

mul

mul

mul

div

div

div