VQC is an open source framework that can simulate variational quantum circuits and used for quantum machine learning tasks.
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Simple but powerful. VQC supports any single-qubit, two-qubit, three-qubit gate operations, as well as measurements. The same quantum circuit can be used as variational quantum circuits almost for free.
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Everything is differentiable. Not only the quantum circuit, the quantum state itself is also differentiable, almost without any changing of code. In most of the cases, user can write a very complex expression built on top of the quantum circuit and the quantum state, and the whole expression will be differentiable.
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Flexiable operations on quantum gates and quantum circuits. Quantum circuit and quantum gates suport operations such as adjoint, transpose, conjugate, shift to make life easier when building very complex circuits.
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Zygote as backend for auto differentiation. VQC use Zygote as backend for auto differentiation.