22 lines
1.4 KiB
Plaintext
22 lines
1.4 KiB
Plaintext
---
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title: RealVariationalPrinciple
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description: API reference for qiskit.algorithms.time_evolvers.variational.RealVariationalPrinciple
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in_page_toc_min_heading_level: 1
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python_api_type: class
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python_api_name: qiskit.algorithms.time_evolvers.variational.RealVariationalPrinciple
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---
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# RealVariationalPrinciple
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<Class id="qiskit.algorithms.time_evolvers.variational.RealVariationalPrinciple" isDedicatedPage={true} github="https://github.com/qiskit/qiskit/tree/stable/0.45/qiskit/algorithms/time_evolvers/variational/variational_principles/real_variational_principle.py" signature="qiskit.algorithms.time_evolvers.variational.RealVariationalPrinciple(qgt, gradient)" modifiers="class">
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Bases: [`VariationalPrinciple`](qiskit.algorithms.time_evolvers.variational.VariationalPrinciple "qiskit.algorithms.time_evolvers.variational.variational_principles.variational_principle.VariationalPrinciple"), [`ABC`](https://docs.python.org/3/library/abc.html#abc.ABC "(in Python v3.12)")
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Class for a Real Variational Principle. The real variant means that we consider real time dynamics.
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**Parameters**
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* **qgt** ([*BaseQGT*](qiskit.algorithms.gradients.BaseQGT "qiskit.algorithms.gradients.BaseQGT")) – Instance of a class used to compute the GQT.
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* **gradient** ([*BaseEstimatorGradient*](qiskit.algorithms.gradients.BaseEstimatorGradient "qiskit.algorithms.gradients.BaseEstimatorGradient")) – Instance of a class used to compute the state gradient.
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</Class>
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