qml.workflow.interfaces.tensorflow.tf_execute

tf_execute(tapes, execute_fn, jpc, device=None, differentiable=False)

Execute a batch of tapes with TensorFlow parameters on a device.

Parameters

• tapes (Sequence[QuantumTape]) – batch of tapes to execute

• execute_fn (Callable[[Sequence[QuantumTape]], ResultBatch]) – a function that turns a batch of circuits into results

• jpc (JacobianProductCalculator) – a class that can compute the vector Jacobian product (VJP) for the input tapes.

Keyword Arguments

• device=None – not used for tensorflow

• differentiable=False – whether or not the custom gradient vjp needs to be differentiable. Note that this keyword argument is unique to tensorflow.

Returns

A nested tuple of tape results. Each element in the returned tuple corresponds in order to the provided tapes.

Return type

TensorLike

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