code: def _matrix_adjoint(matrix: np.ndarray):
      return math.transpose(math.conj(matrix))
  
imports: import pytest
  import numpy
  import pennylane
  from pennylane.ops import ctrl_decomp_zyz
  from pennylane.wires import Wires
  from pennylane.ops.op_math.controlled_decompositions import _ctrl_decomp_bisect_od, _ctrl_decomp_bisect_md, _ctrl_decomp_bisect_general, ctrl_decomp_bisect, _convert_to_su2, _bisect_compute_a, _bisect_compute_b
  from pennylane.ops.op_math.controlled import Controlled
  from pennylane import math
label_desc: Use image node_id 1 for calling a global function with example usage: _matrix_adjoint(matrix) and returns: math