qiskit.algorithms.gradients
Gradients
qiskit.algorithms.gradients
Base Classes
BaseSamplerGradient(sampler[, options]) | Base class for a SamplerGradient to compute the gradients of the sampling probability. |
BaseEstimatorGradient(estimator[, options]) | Base class for an EstimatorGradient to compute the gradients of the expectation value. |
Estimator Gradients
FiniteDiffEstimatorGradient(estimator, ...) | Compute the gradients of the expectation values by finite difference method. |
LinCombEstimatorGradient(estimator, **options) | Compute the gradients of the expectation values. |
ParamShiftEstimatorGradient(estimator, **options) | Compute the gradients of the expectation values by the parameter shift rule |
SPSAEstimatorGradient(estimator, epsilon[, ...]) | Compute the gradients of the expectation value by the Simultaneous Perturbation Stochastic Approximation (SPSA). |
Sampler Gradients
FiniteDiffSamplerGradient(sampler, epsilon, ...) | Compute the gradients of the sampling probability by finite difference method. |
LinCombSamplerGradient(sampler, **options) | Compute the gradients of the sampling probability. |
ParamShiftSamplerGradient(sampler, **options) | Compute the gradients of the sampling probability by the parameter shift rule. |
SPSASamplerGradient(sampler, epsilon[, ...]) | Compute the gradients of the sampling probability by the Simultaneous Perturbation Stochastic Approximation (SPSA). |
Results
EstimatorGradientResult(gradients, metadata, ...) | Result of EstimatorGradient. |
SamplerGradientResult(gradients, metadata, ...) | Result of SamplerGradient. |
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