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Module functions for tfq.differentiators.*
class CentralDifference: Differentiates a circuit using Central Differencing.
class Differentiator: Interface that defines how to specify gradients for a quantum circuit.
class ForwardDifference: Differentiate a circuit using forward differencing.
class LinearCombination: Differentiate a circuit with respect to its inputs by
class ParameterShift: Calculate the general version of parameter-shift rule based gradients.
class SGDifferentiator: Stochastic generator based differentiator class.