38 lines
2.0 KiB
Plaintext
38 lines
2.0 KiB
Plaintext
---
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title: extensions
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description: API reference for qiskit.extensions
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in_page_toc_min_heading_level: 2
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python_api_type: module
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python_api_name: qiskit.extensions
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---
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<span id="module-qiskit.extensions" />
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<span id="qiskit-extensions" />
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# Quantum Circuit Extensions
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<span id="module-qiskit.extensions" />
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`qiskit.extensions`
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## Unitary Extensions
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| ---------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------- |
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| [`UnitaryGate`](qiskit.extensions.UnitaryGate "qiskit.extensions.UnitaryGate")(data\[, label]) | Class for representing unitary gates |
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| [`HamiltonianGate`](qiskit.extensions.HamiltonianGate "qiskit.extensions.HamiltonianGate")(data, time\[, label]) | Class for representing evolution by a Hermitian Hamiltonian operator as a gate. |
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## Simulator Extensions
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| --------------------------------------------------------------------------------------------------------------- | ------------------------------- |
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| [`Snapshot`](qiskit.extensions.Snapshot "qiskit.extensions.Snapshot")(label\[, snapshot\_type, num\_qubits, …]) | Simulator snapshot instruction. |
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## Initialization
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| --------------------------------------------------------------------------------------------------- | --------------------------------- |
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| [`Initialize`](qiskit.extensions.Initialize "qiskit.extensions.Initialize")(params\[, num\_qubits]) | Complex amplitude initialization. |
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