qml.qinfo¶
Overview¶
This module provides a collection of methods to return quantum information quantities from QNode
returning state()
.
Transforms¶
QNode transforms for the quantum information quantities.
Functions¶
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Returns a function that computes the classical fisher information matrix (CFIM) of a given |
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Compute the fidelity for two |
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Compute the mutual information from a |
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Returns a function that computes the quantum fisher information matrix (QFIM) of a given |
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Compute the reduced density matrix from a |
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Compute the relative entropy for two |
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Compute the Von Neumann entropy from a |