ss='kw'>=</span> <span class='fu'><a href='wvar.html'>wvar</a></span>(<span class='no'>Yt</span>)
<span class='no'>wv_Zt</span> <span class='kw'>=</span> <span class='fu'><a href='wvar.html'>wvar</a></span>(<span class='no'>Zt</span>)
<span class='no'>wv_Wt</span> <span class='kw'>=</span> <span class='fu'><a href='wvar.html'>wvar</a></span>(<span class='no'>Wt</span>)

<span class='fu'>compare_wvar</span>(<span class='no'>wv_Xt</span>, <span class='no'>wv_Yt</span>, <span class='no'>wv_Zt</span>, <span cla