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---
title: minimum_eigensolvers
description: API reference for qiskit.algorithms.minimum_eigensolvers
in_page_toc_min_heading_level: 2
python_api_type: module
python_api_name: qiskit.algorithms.minimum_eigensolvers
---
<span id="qiskit-algorithms-minimum-eigensolvers" />
# qiskit.algorithms.minimum\_eigensolvers
## Minimum Eigensolvers Package
<span id="module-qiskit.algorithms.minimum_eigensolvers" />
`qiskit.algorithms.minimum_eigensolvers`
### Minimum Eigensolvers
| | |
| ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------- |
| [`MinimumEigensolver`](qiskit.algorithms.minimum_eigensolvers.MinimumEigensolver "qiskit.algorithms.minimum_eigensolvers.MinimumEigensolver")() | The minimum eigensolver interface. |
| [`NumPyMinimumEigensolver`](qiskit.algorithms.minimum_eigensolvers.NumPyMinimumEigensolver "qiskit.algorithms.minimum_eigensolvers.NumPyMinimumEigensolver")(\[filter\_criterion]) | The NumPy minimum eigensolver algorithm. |
| [`VQE`](qiskit.algorithms.minimum_eigensolvers.VQE "qiskit.algorithms.minimum_eigensolvers.VQE")(estimator, ansatz, optimizer, \*\[, ...]) | The variational quantum eigensolver (VQE) algorithm. |
| [`AdaptVQE`](qiskit.algorithms.minimum_eigensolvers.AdaptVQE "qiskit.algorithms.minimum_eigensolvers.AdaptVQE")(solver, \*\[, threshold, max\_iterations]) | The Adaptive Variational Quantum Eigensolver algorithm. |
| [`SamplingMinimumEigensolver`](qiskit.algorithms.minimum_eigensolvers.SamplingMinimumEigensolver "qiskit.algorithms.minimum_eigensolvers.SamplingMinimumEigensolver")() | The Sampling Minimum Eigensolver Interface. |
| [`SamplingVQE`](qiskit.algorithms.minimum_eigensolvers.SamplingVQE "qiskit.algorithms.minimum_eigensolvers.SamplingVQE")(sampler, ansatz, optimizer, \*\[, ...]) | The Variational Quantum Eigensolver algorithm, optimized for diagonal Hamiltonians. |
| [`QAOA`](qiskit.algorithms.minimum_eigensolvers.QAOA "qiskit.algorithms.minimum_eigensolvers.QAOA")(sampler, optimizer, \*\[, reps, ...]) | The Quantum Approximate Optimization Algorithm (QAOA). |
| | |
| ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------- |
| [`MinimumEigensolverResult`](qiskit.algorithms.minimum_eigensolvers.MinimumEigensolverResult "qiskit.algorithms.minimum_eigensolvers.MinimumEigensolverResult")() | Minimum eigensolver result. |
| [`NumPyMinimumEigensolverResult`](qiskit.algorithms.minimum_eigensolvers.NumPyMinimumEigensolverResult "qiskit.algorithms.minimum_eigensolvers.NumPyMinimumEigensolverResult")() | NumPy minimum eigensolver result. |
| [`VQEResult`](qiskit.algorithms.minimum_eigensolvers.VQEResult "qiskit.algorithms.minimum_eigensolvers.VQEResult")() | Variational quantum eigensolver result. |
| [`AdaptVQEResult`](qiskit.algorithms.minimum_eigensolvers.AdaptVQEResult "qiskit.algorithms.minimum_eigensolvers.AdaptVQEResult")() | AdaptVQE Result. |
| [`SamplingMinimumEigensolverResult`](qiskit.algorithms.minimum_eigensolvers.SamplingMinimumEigensolverResult "qiskit.algorithms.minimum_eigensolvers.SamplingMinimumEigensolverResult")() | Sampling Minimum Eigensolver Result. |
| [`SamplingVQEResult`](qiskit.algorithms.minimum_eigensolvers.SamplingVQEResult "qiskit.algorithms.minimum_eigensolvers.SamplingVQEResult")() | VQE Result. |