docs: @Deprecated
    public static double[][] times(final double[] v1, final double[][] m2) {
      assert m2.length == 1 : ERR_MATRIX_INNERDIM;
      final int columndimension = m2[0].length;
      final double[][] re = new double[v1.length][columndimension];
      for(int j = 0; j < columndimension; j++) {
        for(int i = 0; i < v1.length; i++) {
          re[i][j] = v1[i] * m2[0][j];
        }
      }
      return re;
    }