class_docstr: Dummy operation for expanding circuit.
class_docstr_tok: ["Dummy","operation","for","expanding","circuit","."]
code: def has_matrix(self):
      return False
  
imports: import pytest
  import numpy
  import pennylane
  from pennylane.devices import DefaultQubit, ExecutionConfig
  from pennylane.devices.default_qubit import stopping_condition
label_desc: Use image node_id 1 for calling the NoMatOp obj's underlying member method code with example usage: obj.has_matrix() and returns: False