<span class="op">)</span>, from <span class="op">=</span> <span class="fl">1</span>, to <span class="op">=</span> <span class="fl">50</span>,</span>
<span>  expressions <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="st">"Y"</span>, <span class="st">"C_d"</span>, <span class="st">"C_s / alpha1"</span><span class="op">)</span></span>
<span><span class="op">)</span></span></code></pre></div>
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