# scipy.sparse.isspmatrix_dia

scipy.sparse.isspmatrix_dia(x)

  Is x of dia_matrix type?

  Parameters:
    x

      object to check for being a dia matrix

  Returns:
    bool

      True if x is a dia matrix, False otherwise

  Examples

      >>> from scipy.sparse import dia_array, dia_matrix, coo_matrix, isspmatrix_dia
      >>> isspmatrix_dia(dia_matrix([[5]]))
      True
      >>> isspmatrix_dia(dia_array([[5]]))
      False
      >>> isspmatrix_dia(coo_matrix([[5]]))
      False