import StatePreparation from 'projectq/src/ops/statepreparation.js'

public class | source

StatePreparation

Extends:

BasicGate → StatePreparation

Gate for transforming qubits in state |0> to any desired quantum state.

Constructor Summary

Public Constructor
public	constructor(finalState: *) Initialize StatePreparation gate.

Member Summary

Private Members
private	_finalState: *

Method Summary

Public Methods
public	equal(other: *): boolean
public	toString(): string

Inherited Summary

From class BasicGate
public static	makeTupleOfQureg(qubits: Qubit \| Qubit[] \| Qureg \| Qureg[]): Qureg[] Convert quantum input of "gate \| quantum input" to internal formatting.
public	interchangeableQubitIndices: *[]
public	copy(): BasicGate
public	equal(other: BasicGate \| Object): boolean
public	generateCommand(qubits: *): Command Helper function to generate a command consisting of the gate and the qubits being acted upon.
public	getInverse()
public	getMerged()
public	inspect(): string
public	or(qubits: *) Operator\| overload which enables the syntax Gate \| qubits.
public	toString()

Public Constructors

public constructor(finalState: *) source

Initialize StatePreparation gate.

Example:

qureg = eng.allocateQureg(2)
new StatePreparation([0.5, -0.5j, -0.5, 0.5]).or(qureg)

Note: The amplitude of state k is final_state[k]. When the state k is written in binary notation, then qureg[0] denotes the qubit whose state corresponds to the least significant bit of k.

Args: final_state(list[complex]): wavefunction of the desired quantum state. len(final_state) must be 2**len(qureg). Must be normalized!

Override:

BasicGate#constructor

Params:

Name	Type	Attribute	Description
finalState	*

Private Members

private _finalState: * source

Public Methods

public equal(other: *): boolean source

Override:

BasicGate#equal

Params:

Name	Type	Attribute	Description
other	*

Return:

boolean

public toString(): string source

Override:

BasicGate#toString

Return:

string