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Snapshot

class Snapshot(label, snapshot_type='statevector', name=None)[código fonte]

Bases: Instruction

An instruction targeted for simulators, to capture a moment in the simulation.

Create new snapshot.

Parâmetros
  • label (str) – Snapshot label which is used to identify the snapshot in the output.

  • snapshot_type (str) – Type of snapshot, e.g., “state” (take a snapshot of the quantum state). The types of snapshots offered are defined by the simulator used.

  • name (Optional[str]) – Snapshot name which defaults to label. This parameter is only for display purposes and is not taken into account during comparison.

Methods

append

Return a new Schedule with schedule inserted at the maximum time over all channels shared between self and schedule.

ch_duration

Return duration of the supplied channels in this Instruction.

ch_start_time

Return minimum start time for supplied channels.

ch_stop_time

Return maximum start time for supplied channels.

draw

Plot the instruction.

insert

Return a new Schedule with schedule inserted within self at start_time.

is_parameterized

Return True iff the instruction is parameterized.

shift

Return a new schedule shifted forward by time.

Attributes

channel

Return the Channel that this instruction is scheduled on; trivially, a SnapshotChannel.

Tipo de retorno

SnapshotChannel

channels

Returns the channels that this schedule uses.

Tipo de retorno

Tuple[SnapshotChannel]

duration

Duration of this instruction.

Tipo de retorno

int

id

Unique identifier for this instruction.

Tipo de retorno

int

instructions

Iterable for getting instructions from Schedule tree.

Tipo de retorno

Tuple[Tuple[int, Instruction]]

label

Label of snapshot.

Tipo de retorno

str

name

Name of this instruction.

Tipo de retorno

str

operands

Return instruction operands.

Tipo de retorno

Tuple

parameters

Parameters which determine the instruction behavior.

Tipo de retorno

Set

start_time

Relative begin time of this instruction.

Tipo de retorno

int

stop_time

Relative end time of this instruction.

Tipo de retorno

int

type

Type of snapshot.

Tipo de retorno

str