code: def view_transformation(E, R, V, roll):
      """
      Return the view transformation matrix.
  
      Parameters
      ----------
      E : 3-element numpy array
          The coordinates of the eye/camera.
      R : 3-element numpy array
          The coordinates of the center of the view box.
      V : 3-element numpy array
          Unit vector in the direction of the vertical axis.
      roll : float
          The roll angle in radians.
      """
      u, v, w = _view_axes(E, R, V, roll)
      M = _view_transformation_uvw(u, v, w, E)
      return M
  
imports: import numpy
  from matplotlib import _api
label_desc: Use image node_id 6 for calling a global function with example usage: view_transformation(E, R, V, roll) and returns: M