(<span class="number">2</span>, <span class="number">3</span>))
<span class="keyword">y</span> <span class="operator">=</span> <span class="function">np.ones</span>((<span class="number">3</span>, <span class="number">2</span>))
<span class="keyword">z</span> <span class="operator">=</span> <span class="keyword">x</span> <span class="operator">+</span> <span class="keyword">y</span>  <span class="comment"># ValueError!</span></pre>
      </div>
      <div>
        <h4>NX</h4>
        <pre><span class="comme