33 lines
922 B
Plaintext
33 lines
922 B
Plaintext
---
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title: u2
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description: API reference for qiskit.pulse.builder.u2
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in_page_toc_min_heading_level: 1
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python_api_type: function
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python_api_name: qiskit.pulse.builder.u2
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---
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# qiskit.pulse.builder.u2
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<Function id="qiskit.pulse.builder.u2" isDedicatedPage={true} github="https://github.com/qiskit/qiskit/tree/stable/0.23/qiskit/pulse/builder.py" signature="u2(phi, lam, qubit)">
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Call a `U2Gate` on the input physical qubit.
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<Admonition title="Note" type="note">
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Calling gates directly within the pulse builder namespace will be deprecated in the future in favor of tight integration with a circuit builder interface which is under development.
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</Admonition>
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Examples:
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```python
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import math
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from qiskit import pulse
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from qiskit.providers.fake_provider import FakeOpenPulse2Q
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backend = FakeOpenPulse2Q()
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with pulse.build(backend) as pulse_prog:
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pulse.u2(0, math.pi, 1)
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```
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</Function>
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