code: def tsqr_hr_helper1(u, s, y_top_block, b):
      y_top = y_top_block[:b, :b]
      s_full = np.diag(s)
      t = -1 * np.dot(u, np.dot(s_full, np.linalg.inv(y_top).T))
      return t, y_top
  
file_path: ray/python/ray/experimental/array/distributed/linalg.py
imports: import numpy
  import ray
  import ray.experimental.array.remote
  from .None import core
label_desc: Use image node_id 3 for calling a global function with example usage: tsqr_hr_helper1(u, s, y_top_block, b) and returns: t,  y_top