code: def time_matmul_trans_atc_a(self):
      np.matmul(self.atc, self.a)
  
imports: from .common import Benchmark, get_squares_, get_indexes_rand, TYPES1
  import numpy
label_desc: Use image node_id 18 for calling the Eindot obj's underlying member method code with example usage: obj.time_matmul_trans_atc_a() without return types