qml.I¶

I¶

The Identity operator

The expectation of this observable

\[E[\I] = \text{Tr}(\I \rho)\]

See also

The equivalent long-form alias Identity

Parameters

wires (Iterable[Any] or Any) – Wire label(s) that the identity acts on.
id (str) – custom label given to an operator instance, can be useful for some applications where the instance has to be identified.

Corresponds to the trace of the quantum state, which in exact simulators should always be equal to 1.

alias of pennylane.ops.identity.Identity

code/api/pennylane.I

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