rec-vector2

vector with addition

W3C sample	WIRIS
	$\left(\begin{array}{c}x+y\\ 3\\ 7\end{array}\right)$

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <vector>
    <apply>
      <plus/>
      <ci>x</ci>
      <ci>y</ci>
    </apply>
    <cn>3</cn>
    <cn>7</cn>
  </vector>
</math>

Author: MathML 2 Recomendation