pan class="p">[</span><span class="n">i</span><span class="p">:</span><span class="n">i</span><span class="o">+</span><span class="mi">1</span><span class="p">,:]</span> 
            <span class="n">xyzr</span> <span class="o">=</span> <span class="n">datar</span><span class="p">[</span><span class="n">i</span><span class="p">:</span><span class="n">i</span><span class="o">+</span><span class="mi">1</span><span class="p">,:]</span> 
        
        <span class="n">lmsb</span> <span class="o">=</span> <span