# What Problem Does A Variational Quantum Eigensolver Solve?

## You don’t need to be a physicist to understand it

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The Variational Quantum Eigensolver (VQE) is a hybrid quantum-classical algorithm. It aims to find an upper bound of the lowest eigenvalue of a given Hamiltonian.

Don’t get scared, even if you’re not a physicist. This post provides a high-level overview. The Hamiltonian is a…