</span>
    <span class="sd">&quot;&quot;&quot;</span>
<span class="sd">    Tests whether two Membered objects have equivalent Members at each position.</span>
<span class="sd">    This is a stricter test than Membered equivalence testing via gr1.is_equiv(gr2), which only tests whether both Membered objects describe the same linear space (elements equivalent up to a permutation).</span>

<span class="sd">    &quot;&quot;&quot;</span>
    <span class="k">if</span> <span class="nb">len</span><span class="p">(