Skip to main content
IBM Quantum Platform
This page is from an old version of Qiskit SDK and does not exist in the latest version. We recommend you migrate to the latest version. See the release notes for more information.

Constraint

class Constraint(quadratic_program, name, sense, rhs)

GitHub

Bases: qiskit.optimization.problems.quadratic_program_element.QuadraticProgramElement

Abstract Constraint Class.

Initializes the constraint.

Parameters

  • quadratic_program (Any) – The parent QuadraticProgram.
  • name (str) – The name of the constraint.
  • sense (ConstraintSense) – The sense of the constraint.
  • rhs (float) – The right-hand-side of the constraint.

Methods

evaluate

abstract Constraint.evaluate(x)

Evaluate left-hand-side of constraint for given values of variables.

Parameters

x (Union[ndarray, List, Dict[Union[int, str], float]]) – The values to be used for the variables.

Return type

float

Returns

The left-hand-side of the constraint.


Attributes

name

Returns the name of the constraint.

Return type

str

Returns

The name of the constraint.

quadratic_program

Returns the parent QuadraticProgram.

Return type

Any

Returns

The parent QuadraticProgram.

rhs

Returns the right-hand-side of the constraint.

Return type

float

Returns

The right-hand-side of the constraint.

sense

Returns the sense of the constraint.

Return type

ConstraintSense

Returns

The sense of the constraint.

Was this page helpful?
Report a bug or request content on GitHub.