qml.transforms.simplify¶

simplify(operation)[source]¶

Simplify the (controlled) rotation operations Rot, U2, U3, and CRot into one of RX, CRX, RY, CRY, RZ, CZ, Hadamard and controlled-Hadamard where possible.

Parameters: operation (Operation) – Rotation or controlled rotation.
Returns: An operation representing the simplified rotation, if possible. Otherwise, the original operation is returned.
Return type: Operation

Example

You can simplify rotation with certain parameters, for example:

>>> qml.simplify(qml.Rot(np.pi / 2, 0.1, -np.pi / 2, wires=0))
qml.RX(0.1, wires=0)

However, not every rotation can be simplified. The original operation is returned if no simplification is possible.

>>> qml.simplify(qml.Rot(0.1, 0.2, 0.3, wires=0))
qml.Rot(0.1, 0.2, 0.3, wires=0)

code/api/pennylane.transforms.simplify

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