code: def syn_cnn_2_mf(z, x):
      """Computes the Branin function."""
      f = [(z[0][1] - 10) / 4, (z[0][0] - 10) / 4]
      return syn_cnn_2_z_x(f, x)
  
label_desc: Use image node_id 1 for calling a global function with example usage: syn_cnn_2_mf(z, x) and returns: syn_cnn_2_z_x