code: def gen_feature_input_noise(num_sample, length, latent_dim=5):
      return np.random.normal(size=[num_sample, length, latent_dim])
  
file_path: BigDL/python/chronos/src/bigdl/chronos/simulator/doppelganger/util.py
imports: from .output import OutputType, Output, Normalization
  import numpy
label_desc: Use image node_id 5 for calling a global function with example usage: gen_feature_input_noise(num_sample, length, latent_dim) and returns: np