code: def mult_rot_matrix(self, rot):
      pgl.glPushMatrix()
      pgl.glLoadMatrixf(rot)
      pgl.glMultMatrixf(self._rot)
      self._rot = get_model_matrix()
      pgl.glPopMatrix()
  
file_path: sympy/sympy/plotting/pygletplot/plot_camera.py
imports: import pyglet.gl
  from sympy.plotting.pygletplot.plot_rotation import get_spherical_rotatation
  from sympy.plotting.pygletplot.util import get_model_matrix, model_to_screen, screen_to_model, vec_subs
label_desc: Use image node_id 5 for calling the PlotCamera obj's underlying member method code with example usage: obj.mult_rot_matrix(rot) without return types