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| <h1 class="title">FeynCalc manual (development version)</h1> | ||
| </header> | ||
| <h2 | ||
| id="fcloopaddmissinghigherorderswarning">FCLoopAddMissingHigherOrdersWarning</h2> | ||
| <p><code>FCLoopAddMissingHigherOrdersWarning[expr, ep, fun]</code> | ||
| determines the highest <code>ep</code>-power <span | ||
| class="math inline">n</span> in the given expression and adds a warning | ||
| flag of order <span class="math inline">\textrm{ep}^n+1</span>. This is | ||
| meant to prevent incorrect results stemming insufficient high expansions | ||
| of <code>expr</code> in <code>ep</code></p> | ||
| <h3 id="see-also">See also</h3> | ||
| <p><a href="Extra/FeynCalc.html">Overview</a>, <a | ||
| href="FCFeynmanParametrize.html">FCFeynmanParametrize</a>, <a | ||
| href="FCFeynmanPrepare.html">FCFeynmanPrepare</a>.</p> | ||
| <h3 id="examples">Examples</h3> | ||
| <div class="sourceCode" id="cb1"><pre | ||
| class="sourceCode mathematica"><code class="sourceCode mathematica"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a>FCLoopAddMissingHigherOrdersWarning<span class="op">[</span><span class="dv">1</span><span class="sc">/</span>ep<span class="sc">^</span><span class="dv">2</span> cc1 <span class="sc">+</span> <span class="dv">1</span><span class="sc">/</span>ep cc2<span class="op">,</span> ep<span class="op">,</span> epHelp<span class="op">]</span></span></code></pre></div> | ||
| <p><span | ||
| class="math display">\frac{\text{cc1}}{\text{ep}^2}+\frac{\text{cc2}}{\text{ep}}+(1+i) | ||
| \;\text{epHelp}</span></p> | ||
| <div class="sourceCode" id="cb2"><pre | ||
| class="sourceCode mathematica"><code class="sourceCode mathematica"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a>FCLoopAddMissingHigherOrdersWarning<span class="op">[</span>cc1<span class="op">,</span> ep<span class="op">,</span> epHelp<span class="op">]</span></span></code></pre></div> | ||
| <p><span class="math display">\text{cc1}+(1+i) \;\text{ep} | ||
| \;\text{epHelp}</span></p> | ||
| <div class="sourceCode" id="cb3"><pre | ||
| class="sourceCode mathematica"><code class="sourceCode mathematica"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a>FCLoopAddMissingHigherOrdersWarning<span class="op">[</span>cc1<span class="op">,</span> ep<span class="op">,</span> epHelp<span class="op">,</span> <span class="fu">Complex</span> <span class="ot">-></span> <span class="cn">False</span><span class="op">]</span></span></code></pre></div> | ||
| <p><span class="math display">\text{cc1}+\text{ep} | ||
| \;\text{epHelp}</span></p> | ||
| <div class="sourceCode" id="cb4"><pre | ||
| class="sourceCode mathematica"><code class="sourceCode mathematica"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a>FCLoopAddMissingHigherOrdersWarning<span class="op">[</span>cc1<span class="op">,</span> ep<span class="op">,</span> epHelp<span class="op">,</span> <span class="fu">Names</span> <span class="ot">-></span> <span class="cn">False</span><span class="op">]</span></span></code></pre></div> | ||
| <p><span class="math display">\text{cc1}+(1+i) \;\text{ep} | ||
| \;\text{epHelp}</span></p> | ||
| <div class="sourceCode" id="cb5"><pre | ||
| class="sourceCode mathematica"><code class="sourceCode mathematica"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a>FCLoopAddMissingHigherOrdersWarning<span class="op">[</span>GLI<span class="op">[</span>topo1<span class="op">,</span> <span class="op">{</span><span class="dv">1</span><span class="op">,</span> <span class="dv">1</span><span class="op">,</span> <span class="dv">1</span><span class="op">,</span> <span class="dv">1</span><span class="op">,</span> <span class="dv">1</span><span class="op">}]</span> <span class="ot">-></span> cc1<span class="sc">/</span>ep<span class="sc">^</span><span class="dv">2</span> <span class="sc">+</span> cc2<span class="sc">/</span>ep <span class="sc">+</span> cc3 <span class="op">,</span> ep<span class="op">,</span> epHelp<span class="op">]</span></span></code></pre></div> | ||
| <p><span class="math display">G^{\text{topo1}}(1,1,1,1,1)\to | ||
| \frac{\text{cc1}}{\text{ep}^2}+\frac{\text{cc2}}{\text{ep}}+\text{cc3}+(1+i) | ||
| \;\text{ep} \;\text{epHelp}(\text{topo1X11111})</span></p> | ||
| </body> | ||
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