class="op">:</span><span class="fl">300</span></span>
<span><span class="va">rows2</span> <span class="op">&lt;-</span> <span class="fl">301</span><span class="op">:</span><span class="fl">355</span></span>
<span><span class="va">mfdobj_x1</span> <span class="op">&lt;-</span> <span class="va">mfdobj_x</span><span class="op">[</span><span class="va">rows1</span><span class="op">]</span></span>
<span><span class="va">mfdobj_x2</span> <span class="op">&lt;-</span> <span class="va">mfdobj_x</span><span class="o