code: def _scalar_vectorized(scalar, M):
      """
      Scalar product between scalars and matrices.
      """
      return scalar[:, np.newaxis, np.newaxis] * M
  
imports: import numpy
  from matplotlib import _api
  from matplotlib.tri import Triangulation
  from matplotlib.tri._trifinder import TriFinder
  from matplotlib.tri._tritools import TriAnalyzer
label_desc: Use image node_id 4 for calling a global function with example usage: _scalar_vectorized(scalar, M) and returns: unknown