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qiskit.circuit.Instruction

class Instruction(name, num_qubits, num_clbits, params, duration=None, unit='dt')[ソース]

Generic quantum instruction.

Create a new instruction.

パラメータ
  • name (str) – instruction name

  • num_qubits (int) – instruction’s qubit width

  • num_clbits (int) – instruction’s clbit width

  • params (list[int|float|complex|str|ndarray|list|ParameterExpression]) – list of parameters

  • duration (int or float) – instruction’s duration. it must be integer if unit is 『dt』

  • unit (str) – time unit of duration

例外

CircuitError – when the register is not in the correct format.

__init__(name, num_qubits, num_clbits, params, duration=None, unit='dt')[ソース]

Create a new instruction.

パラメータ
  • name (str) – instruction name

  • num_qubits (int) – instruction’s qubit width

  • num_clbits (int) – instruction’s clbit width

  • params (list[int|float|complex|str|ndarray|list|ParameterExpression]) – list of parameters

  • duration (int or float) – instruction’s duration. it must be integer if unit is 『dt』

  • unit (str) – time unit of duration

例外

CircuitError – when the register is not in the correct format.

Methods

__init__(name, num_qubits, num_clbits, params)

Create a new instruction.

add_decomposition(decomposition)

Add a decomposition of the instruction to the SessionEquivalenceLibrary.

assemble()

Assemble a QasmQobjInstruction

broadcast_arguments(qargs, cargs)

Validation of the arguments.

c_if(classical, val)

Add classical condition on register classical and value val.

copy([name])

Copy of the instruction.

inverse()

Invert this instruction.

is_parameterized()

Return True .IFF.

mirror()

DEPRECATED: use instruction.reverse_ops().

qasm()

Return a default OpenQASM string for the instruction.

repeat(n)

Creates an instruction with gate repeated n amount of times.

reverse_ops()

For a composite instruction, reverse the order of sub-instructions.

validate_parameter(parameter)

Instruction parameters has no validation or normalization.

Attributes

decompositions

Get the decompositions of the instruction from the SessionEquivalenceLibrary.

definition

Return definition in terms of other basic gates.

duration

Get the duration.

params

return instruction params.

unit

Get the time unit of duration.

add_decomposition(decomposition)[ソース]

Add a decomposition of the instruction to the SessionEquivalenceLibrary.

assemble()[ソース]

Assemble a QasmQobjInstruction

broadcast_arguments(qargs, cargs)[ソース]

Validation of the arguments.

パラメータ
  • qargs (List) – List of quantum bit arguments.

  • cargs (List) – List of classical bit arguments.

列挙

Tuple(List, List) – A tuple with single arguments.

例外

CircuitError – If the input is not valid. For example, the number of arguments does not match the gate expectation.

c_if(classical, val)[ソース]

Add classical condition on register classical and value val.

copy(name=None)[ソース]

Copy of the instruction.

パラメータ

name (str) – name to be given to the copied circuit, if None then the name stays the same.

戻り値

a copy of the current instruction, with the name

updated if it was provided

戻り値の型

qiskit.circuit.Instruction

property decompositions

Get the decompositions of the instruction from the SessionEquivalenceLibrary.

property definition

Return definition in terms of other basic gates.

property duration

Get the duration.

inverse()[ソース]

Invert this instruction.

If the instruction is composite (i.e. has a definition), then its definition will be recursively inverted.

Special instructions inheriting from Instruction can implement their own inverse (e.g. T and Tdg, Barrier, etc.)

戻り値

a fresh instruction for the inverse

戻り値の型

qiskit.circuit.Instruction

例外

CircuitError – if the instruction is not composite and an inverse has not been implemented for it.

is_parameterized()[ソース]

Return True .IFF. instruction is parameterized else False

mirror()[ソース]

DEPRECATED: use instruction.reverse_ops().

戻り値

a new instruction with sub-instructions

reversed.

戻り値の型

qiskit.circuit.Instruction

property params

return instruction params.

qasm()[ソース]

Return a default OpenQASM string for the instruction.

Derived instructions may override this to print in a different format (e.g. measure q[0] -> c[0];).

repeat(n)[ソース]

Creates an instruction with gate repeated n amount of times.

パラメータ

n (int) – Number of times to repeat the instruction

戻り値

Containing the definition.

戻り値の型

qiskit.circuit.Instruction

例外

CircuitError – If n < 1.

reverse_ops()[ソース]

For a composite instruction, reverse the order of sub-instructions.

This is done by recursively reversing all sub-instructions. It does not invert any gate.

戻り値

a new instruction with

sub-instructions reversed.

戻り値の型

qiskit.circuit.Instruction

property unit

Get the time unit of duration.

validate_parameter(parameter)[ソース]

Instruction parameters has no validation or normalization.

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