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<!DOCTYPE html> <html lang="en"> <head> <title>Object -- select the combinatorial object which the input should be interpreted as</title> <meta content="text/html; charset=utf-8" http-equiv="Content-Type"> <link type="text/css" rel="stylesheet" href="../../../../Macaulay2/Style/doc.css"> <link rel="stylesheet" href="../../../../Macaulay2/Style/katex/katex.min.css"> <script defer="defer" src="../../../../Macaulay2/Style/katex/katex.min.js"></script> <script defer="defer" src="../../../../Macaulay2/Style/katex/contrib/auto-render.min.js"></script> <script> var macros = { "\\break": "\\\\", "\\ZZ": "\\mathbb{Z}", "\\NN": "\\mathbb{N}", "\\QQ": "\\mathbb{Q}", "\\RR": "\\mathbb{R}", "\\CC": "\\mathbb{C}", "\\PP": "\\mathbb{P}" }, delimiters = [ { left: "$$", right: "$$", display: true}, { left: "\\[", right: "\\]", display: true}, { left: "$", right: "$", display: false}, { left: "\\(", right: "\\)", display: false} ], ignoredTags = [ "kbd", "var", "samp", "script", "noscript", "style", "textarea", "pre", "code", "option" ]; document.addEventListener("DOMContentLoaded", function() { renderMathInElement(document.body, { delimiters: delimiters, macros: macros, ignoredTags: ignoredTags, trust: true }); }); </script> <style>.katex { font-size: 1em; }</style> <script defer="defer" src="../../../../Macaulay2/Style/katex/contrib/copy-tex.min.js"></script> <script defer="defer" src="../../../../Macaulay2/Style/katex/contrib/render-a11y-string.min.js"></script> <script src="../../../../Macaulay2/Style/prism.js"></script> <script>var current_version = '1.25.06';</script> <script src="../../../../Macaulay2/Style/version-select.js"></script> <link type="image/x-icon" rel="icon" href="../../../../Macaulay2/Style/icon.gif"> </head> <body> <div id="buttons"> <div> <a href="https://macaulay2.com/">Macaulay2</a> <span id="version-select-container"></span> » <a title="Macaulay2 documentation" href="../../Macaulay2Doc/html/index.html">Documentation </a> <br><a href="../../Macaulay2Doc/html/_packages_spprovided_spwith_sp__Macaulay2.html">Packages</a> » <span><a title="a package for slack ideals of polytopes and matroids" href="index.html">SlackIdeals</a> :: <a title="select the combinatorial object which the input should be interpreted as" href="___Object.html">Object</a></span> </div> <div class="right"> <form method="get" action="https://www.google.com/search"> <input placeholder="Search" type="text" name="q" value=""> <input type="hidden" name="q" value="site:macaulay2.com/doc"> </form> <a href="_reconstruct__Slack__Matrix.html">next</a> | <a href="_grassmann__Section__Ideal_lp..._cm__Strategy_eq_gt..._rp.html">previous</a> | <a href="_reconstruct__Slack__Matrix.html">forward</a> | <a href="_grassmann__Section__Ideal_lp..._cm__Strategy_eq_gt..._rp.html">backward</a> | up | <a href="master.html">index</a> | <a href="toc.html">toc</a> </div> </div> <hr> <div> <h1>Object -- select the combinatorial object which the input should be interpreted as</h1> <ul> <li> <dl class="element"> <dt>Usage: </dt> <dd><code class="language-macaulay2">slackMatrix(V, Object => "matroid")</code></dd> <dd><code class="language-macaulay2">slackIdeal(V, Object => "abstractPolytope")</code></dd> <dd><code class="language-macaulay2">symbolicSlackMatrix(V, Object => "polytope")</code></dd> <dd><code class="language-macaulay2">cycleIdeal(V, Object => "matroid")</code></dd> <dd><code class="language-macaulay2">graphicIdeal(V, Object => "abstractPolytope")</code></dd> <dd><code class="language-macaulay2">getFacetBases(V, Object => "cone")</code></dd> <dd><code class="language-macaulay2">slackFromPlucker(V, Object => "polytope")</code></dd> <dd><code class="language-macaulay2">symbolicSlackOfPlucker(V, Object => "matroid")</code></dd> <dd><code class="language-macaulay2">grassmannSectionIdeal(V, Object => "cone")</code></dd> <dd><code class="language-macaulay2">findFlag(V, Object => "matroid")</code></dd> <dd><code class="language-macaulay2">containsFlag(fl, V, Object => "matroid")</code></dd> <dd><code class="language-macaulay2">reducedSlackMatrix(V, Object => "polytope")</code></dd> </dl> </li> </ul> <div> <h2>Description</h2> <div> <p>The default value is polytope.</p> </div> </div> <div> <h2>See also</h2> <ul> <li><span><a title="computes the slack matrix of a given realization" href="_slack__Matrix.html">slackMatrix</a> -- computes the slack matrix of a given realization</span></li> <li><span><a title="computes the slack ideal" href="_slack__Ideal.html">slackIdeal</a> -- computes the slack ideal</span></li> <li><span><a title="computes the symbolic slack matrix" href="_symbolic__Slack__Matrix.html">symbolicSlackMatrix</a> -- computes the symbolic slack matrix</span></li> <li><span><a title="constructs the cycle ideal of a realization" href="_cycle__Ideal.html">cycleIdeal</a> -- constructs the cycle ideal of a realization</span></li> <li><span><a title="creates the toric ideal of the non-incidence graph of a polytope" href="_graphic__Ideal.html">graphicIdeal</a> -- creates the toric ideal of the non-incidence graph of a polytope</span></li> <li><span><a title="get a list of d-spanning elements for each facet" href="_get__Facet__Bases.html">getFacetBases</a> -- get a list of d-spanning elements for each facet</span></li> <li><span><a title="fill the slack matrix of a given polytope, cone or matroid with Plücker coordinates" href="_slack__From__Plucker.html">slackFromPlucker</a> -- fill the slack matrix of a given polytope, cone or matroid with Plücker coordinates</span></li> <li><span><a title="fill the slack matrix with Plücker variables" href="_symbolic__Slack__Of__Plucker.html">symbolicSlackOfPlucker</a> -- fill the slack matrix with Plücker variables</span></li> <li><span><a title="compute the Grassmannian section ideal corresponding to a slack matrix" href="_grassmann__Section__Ideal.html">grassmannSectionIdeal</a> -- compute the Grassmannian section ideal corresponding to a slack matrix</span></li> <li><span><a title="computes a list of facet labels that make up a flag in a polytope" href="_find__Flag.html">findFlag</a> -- computes a list of facet labels that make up a flag in a polytope</span></li> <li><span><a title="establishes whether or not a list of facet labels contains a flag in a polytope or matroid" href="_contains__Flag.html">containsFlag</a> -- establishes whether or not a list of facet labels contains a flag in a polytope or matroid</span></li> <li><span><a title="a reduced slack matrix of a polytope" href="_reduced__Slack__Matrix.html">reducedSlackMatrix</a> -- a reduced slack matrix of a polytope</span></li> </ul> </div> <div> <div> <h2>Functions with optional argument named <span class="tt">Object</span>:</h2> <ul> <li><span><a title="specify combinatorial object" href="_contains__Flag_lp..._cm__Object_eq_gt..._rp.html">containsFlag(...,Object=>...)</a> -- specify combinatorial object</span></li> <li><span><a title="specify combinatorial object" href="_cycle__Ideal_lp..._cm__Object_eq_gt..._rp.html">cycleIdeal(...,Object=>...)</a> -- specify combinatorial object</span></li> <li><span><a title="specify combinatorial object" href="_find__Flag_lp..._cm__Object_eq_gt..._rp.html">findFlag(...,Object=>...)</a> -- specify combinatorial object</span></li> <li><span><a title="specify combinatorial object" href="_get__Facet__Bases_lp..._cm__Object_eq_gt..._rp.html">getFacetBases(...,Object=>...)</a> -- specify combinatorial object</span></li> <li><span><a title="specify combinatorial object" href="_graphic__Ideal_lp..._cm__Object_eq_gt..._rp.html">graphicIdeal(...,Object=>...)</a> -- specify combinatorial object</span></li> <li><span><a title="specify combinatorial object" href="_grassmann__Section__Ideal_lp..._cm__Object_eq_gt..._rp.html">grassmannSectionIdeal(...,Object=>...)</a> -- specify combinatorial object</span></li> <li><span><a title="specify combinatorial object" href="_reduced__Slack__Matrix_lp..._cm__Object_eq_gt..._rp.html">reducedSlackMatrix(...,Object=>...)</a> -- specify combinatorial object</span></li> <li><span><a title="specify combinatorial object" href="_slack__From__Plucker_lp..._cm__Object_eq_gt..._rp.html">slackFromPlucker(...,Object=>...)</a> -- specify combinatorial object</span></li> <li><span><a title="specify combinatorial object" href="_slack__Ideal_lp..._cm__Object_eq_gt..._rp.html">slackIdeal(...,Object=>...)</a> -- specify combinatorial object</span></li> <li><span><a title="specify combinatorial object" href="_slack__Matrix_lp..._cm__Object_eq_gt..._rp.html">slackMatrix(...,Object=>...)</a> -- specify combinatorial object</span></li> <li><span><a title="specify combinatorial object" href="_symbolic__Slack__Matrix_lp..._cm__Object_eq_gt..._rp.html">symbolicSlackMatrix(...,Object=>...)</a> -- specify combinatorial object</span></li> <li><span><a title="specify combinatorial object" href="_symbolic__Slack__Of__Plucker_lp..._cm__Object_eq_gt..._rp.html">symbolicSlackOfPlucker(...,Object=>...)</a> -- specify combinatorial object</span></li> </ul> </div> <div class="waystouse"> <h2>For the programmer</h2> <p>The object <a title="select the combinatorial object which the input should be interpreted as" href="___Object.html">Object</a> is <span>a <a title="the class of all symbols" href="../../Macaulay2Doc/html/___Symbol.html">symbol</a></span>.</p> </div> <hr> <div class="waystouse"> <p>The source of this document is in <span class="tt">SlackIdeals.m2:2487:0</span>.</p> </div> </div> </div> </body> </html>