ilog.concert

Interface IloLQNumExpr

All Superinterfaces:

IloLinearNumExpr, IloNumExpr, IloQuadNumExpr

public interface IloLQNumExpr
extends IloQuadNumExpr, IloLinearNumExpr

A general expression featuring both linear and quadratic terms.

A quadratic expression represents a sum of quadratic terms and linear terms of the form: exp = sum a_i * x_i + sum q_ij * x_i * x_j + const

Method Summary

Methods

Modifier and Type	Method and Description
void	add(IloLinearNumExpr lexpr) Adds all terms found in lexpr to the invoking object.
void	add(IloQuadNumExpr qexpr) Adds all terms found in qexpr to the invoking object.
void	addTerm(double coef, IloNumVar var) Adds the new term coef * var to the invoking linear quadratic expression.
void	addTerm(double coef, IloNumVar var1, IloNumVar var2) Adds the new term coef * var1 * var2 to the invoking linear quadratic expression.
void	addTerm(IloNumVar var, double coef) Adds the new term coef * var to the invoking linear quadratic expression.
void	addTerms(double[] coef, IloNumVar[] var) Adds the terms sum_i (coef[i] * var[i]) to the invoking linear quadratic expression.
void	addTerms(double[] coef, IloNumVar[] var1, IloNumVar[] var2) Adds the terms sum_i (coef[i] * var1[i] * var2[i]) to the invoking linear quadratic expression.
void	addTerms(double[] coef, IloNumVar[] var1, IloNumVar[] var2, int start, int num) Adds the terms specified by sum_i (coef[i] * var1[i] * var2[i]) to the invoking linear quadratic expression, for the indices i from start to start + num-1.
void	addTerms(double[] coef, IloNumVar[] var, int start, int num) Adds the terms specified by sum_i (coef[i] * var[i]) to the invoking linear quadratic expression, for the indices i from start to start + num-1.
void	addTerms(IloNumVar[] var, double[] coef) Adds the terms sum_i (coef[i] * var[i]) to the invoking linear quadratic expression.
void	addTerms(IloNumVar[] var, double[] coef, int start, int num) Adds the terms specified by sum_i (coef[i] * var[i]) to the invoking linear quadratic expression, for the indices i from start to start + num-1.
void	clear() Removes all terms from the invoking object.
void	remove(IloNumVar var) Removes all terms that use var from the invoking expression.
void	remove(IloNumVar[] var) Removes all terms that use a variable of the specified array from the invoking expression.
void	remove(IloNumVar[] var, int start, int num) Removes all terms that use a variable var[i] from the invoking expression, for the indices i from start to start + num-1.

Methods inherited from interface ilog.concert.IloQuadNumExpr

quadIterator

Methods inherited from interface ilog.concert.IloLinearNumExpr

getConstant, linearIterator, setConstant

Method Detail

add

void add(IloLinearNumExpr lexpr)
         throws IloException

Adds all terms found in lexpr to the invoking object.

Specified by:

add in interface IloLinearNumExpr

Throws:

IloException

Parameters:

lexpr - The scalar product expression, the terms of which are added to the invoking object.

addTerm

void addTerm(double coef,
           IloNumVar var)
             throws IloException

Adds the new term coef * var to the invoking linear quadratic expression.

Specified by:

addTerm in interface IloLinearNumExpr

Throws:

IloException

Parameters:

coef - The coefficient of the added term.

var - The variable of the added term.

addTerm

void addTerm(IloNumVar var,
           double coef)
             throws IloException

Adds the new term coef * var to the invoking linear quadratic expression.

Specified by:

addTerm in interface IloLinearNumExpr

Throws:

IloException

Parameters:

var - The variable of the added term.

coef - The coefficient of the added term.

addTerms

void addTerms(double[] coef,
            IloNumVar[] var,
            int start,
            int num)
              throws IloException

Adds the terms specified by sum_i (coef[i] * var[i]) to the invoking linear quadratic expression, for the indices i from start to start + num-1.

Specified by:

addTerms in interface IloLinearNumExpr

Throws:

IloException

Parameters:

coef - The coefficients of the added terms.

var - The variables of the added terms.

start - The first element in coef, var to be added.

num - The number of added terms.

addTerms

void addTerms(IloNumVar[] var,
            double[] coef,
            int start,
            int num)
              throws IloException

Adds the terms specified by sum_i (coef[i] * var[i]) to the invoking linear quadratic expression, for the indices i from start to start + num-1.

Specified by:

addTerms in interface IloLinearNumExpr

Throws:

IloException

Parameters:

var - The variables of the added terms.

coef - The coefficients of the added terms.

start - The first element in coef, var to be added.

num - The number of added terms.

addTerms

void addTerms(double[] coef,
            IloNumVar[] var)
              throws IloException

Adds the terms sum_i (coef[i] * var[i]) to the invoking linear quadratic expression.

Specified by:

addTerms in interface IloLinearNumExpr

Throws:

IloException

Parameters:

coef - The coefficients of the added terms.

var - The variables of the added terms.

addTerms

void addTerms(IloNumVar[] var,
            double[] coef)
              throws IloException

Adds the terms sum_i (coef[i] * var[i]) to the invoking linear quadratic expression.

Specified by:

addTerms in interface IloLinearNumExpr

Throws:

IloException

Parameters:

var - The variables of the added terms.

coef - The coefficients of the added terms.

add

void add(IloQuadNumExpr qexpr)
         throws IloException

Adds all terms found in qexpr to the invoking object.

Specified by:

add in interface IloQuadNumExpr

Throws:

IloException

addTerm

void addTerm(double coef,
           IloNumVar var1,
           IloNumVar var2)
             throws IloException

Adds the new term coef * var1 * var2 to the invoking linear quadratic expression.

Specified by:

addTerm in interface IloQuadNumExpr

Throws:

IloException

addTerms

void addTerms(double[] coef,
            IloNumVar[] var1,
            IloNumVar[] var2)
              throws IloException

Adds the terms sum_i (coef[i] * var1[i] * var2[i]) to the invoking linear quadratic expression.

Specified by:

addTerms in interface IloQuadNumExpr

Throws:

IloException

addTerms

void addTerms(double[] coef,
            IloNumVar[] var1,
            IloNumVar[] var2,
            int start,
            int num)
              throws IloException

Adds the terms specified by sum_i (coef[i] * var1[i] * var2[i]) to the invoking linear quadratic expression, for the indices i from start to start + num-1.

Specified by:

addTerms in interface IloQuadNumExpr

Throws:

IloException

clear

void clear()
           throws IloException

Removes all terms from the invoking object.

Specified by:

clear in interface IloLinearNumExpr

Specified by:

clear in interface IloQuadNumExpr

Throws:

IloException

remove

void remove(IloNumVar var)
            throws IloException

Removes all terms that use var from the invoking expression.

Specified by:

remove in interface IloLinearNumExpr

Specified by:

remove in interface IloQuadNumExpr

Throws:

IloException

Parameters:

var - The variable to be removed.

remove

void remove(IloNumVar[] var)
            throws IloException

Removes all terms that use a variable of the specified array from the invoking expression.

Specified by:

remove in interface IloLinearNumExpr

Specified by:

remove in interface IloQuadNumExpr

Throws:

IloException

Parameters:

var - The array of variables to be removed.

remove

void remove(IloNumVar[] var,
          int start,
          int num)
            throws IloException

Removes all terms that use a variable var[i] from the invoking expression, for the indices i from start to start + num-1.

Specified by:

remove in interface IloLinearNumExpr

Specified by:

remove in interface IloQuadNumExpr

Throws:

IloException

Parameters:

var - The array containing the variables to be removed.

start - The index of the first variable in var to be removed.

num - The number of variables in var to be removed.