an> <span class="o">/</span> <span class="n">n</span>
        <span class="n">v</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">ones</span><span class="p">((</span><span class="n">m</span><span class="p">,))</span> <span class="o">/</span> <span class="n">m</span>

        <span class="n">en</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">ones</span><span class="p">((</span><span class="n">n</span><span class="