mirror of https://github.com/Qiskit/qiskit.git
27 lines
667 B
YAML
27 lines
667 B
YAML
---
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features:
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- |
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The methods :meth:`qiskit.circuit.ParameterExpression.subs` and
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:meth:`qiskit.circuit.QuantumCircuit.assign_parameters` now
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accept :class:`~qiskit.circuit.ParameterExpression` as the target value
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to be substituted.
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For example,
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.. code-block::
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from qiskit.circuit import QuantumCircuit, Parameter
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p = Parameter('p')
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source = QuantumCircuit(1)
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source.rz(p, 0)
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x = Parameter('x')
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source.assign_parameters({p: x*x})
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.. code-block:: text
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┌──────────┐
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q_0: ┤ Rz(x**2) ├
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└──────────┘
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