code: public void setColumn(int column, double[] values) {
          if (values.length != rows)
              throw new IllegalArgumentException("cannot set a column " +
                  "whose dimensions are different than the matrix");
          for (int i = 0; i < rowToReal.length; ++i)
              backingMatrix.set(rowToReal[i], column, values[i]);
      }
docs: {@inheritDoc}