code: def inner_product(u, v):
      u = _to_matrix(u)
      v = _to_matrix(v)
      return math_ops.matmul(u, v, transpose_b=True)
  
imports: from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import math_ops
label_desc: Use image node_id 3 for calling a global function with example usage: inner_product(u, v) and returns: math_ops