qml.math.decomposition.xyx_rotation_angles

xyx_rotation_angles(U, return_global_phase=False)

Compute the rotation angles \(\lambda\), \(\theta\), and \(\phi\) and the phase \(\alpha\) of a 2x2 unitary matrix as a product of X and Y rotations in the form \(e^{i\alpha} RX(\phi) RY(\theta) RX(\lambda)\).

Parameters:

• U (array) – 2x2 unitary matrix

• return_global_phase (bool) – if True, returns the global phase as well.

Returns:

The rotation angles \(\lambda\), \(\theta\), and \(\phi\) and the

global phase \(\alpha\) if return_global_phase=True.

Return type:

tuple

code/api/pennylane.math.decomposition.xyx_rotation_angles

 

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