code: public static DoubleMatrix getInstance(int rows, double... values)
      {
          if (rows < 1)
          {
              throw new IllegalArgumentException("rows");
          }
          if (values.length % rows != 0)
          {
              throw new IllegalArgumentException("not full rows");
          }
          return new DoubleMatrix(rows, Arrays.copyOf(values, values.length));
      }
docs: Returns new DoubleMatrix initialized to values.
  <p>E.g. 2x2 matrix has A00, A01, A10, A11
  @param rows Number of rows
  @param values Values row by row
  @return