/a></span><span class="op">(</span> <span class="op">-</span><span class="fl">1.5</span>, <span class="fl">1.5</span>, len<span class="op">=</span><span class="va">I</span><span class="op">)</span>, <span class="fu"><a href="https://rdrr.io/r/base/seq.html" class="external-link">seq</a></span><span class="op">(</span> <span class="op">-</span><span class="fl">2</span>, <span class="fl">2</span>, len<span class="op">=</span><span class="va">K</span><span class="op">)</span>, <span class="st">"+"</span> <span