<?xml version="1.0" encoding="utf-8" ?> <!-- for emacs: -*- coding: utf-8 -*- --> <!-- Apache may like this line in the file .htaccess: AddCharset utf-8 .html --> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg-flat.dtd" > <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"> <head><title>Ext -- compute an Ext module</title> <link rel="stylesheet" type="text/css" href="../../../../Macaulay2/Style/doc.css"/> </head> <body> <table class="buttons"> <tr> <td><div><a href="___Ext_lp__Module_cm__Module_rp.html">next</a> | <a href="_expression.html">previous</a> | <a href="___Ext_lp__Module_cm__Module_rp.html">forward</a> | <a href="_expression.html">backward</a> | up | <a href="index.html">top</a> | <a href="master.html">index</a> | <a href="toc.html">toc</a> | <a href="http://www.math.uiuc.edu/Macaulay2/">Macaulay2 web site</a></div> </td> </tr> </table> <hr/> <div><h1>Ext -- compute an Ext module</h1> <div><!--empty documentation body--></div> <div class="waystouse"><h2>Ways to use <tt>Ext</tt> :</h2> <ul><li><span>Ext(Ideal,Ideal), see <span><a href="___Ext_lp__Module_cm__Module_rp.html" title="total Ext module">Ext(Module,Module)</a> -- total Ext module</span></span></li> <li><span>Ext(Ideal,Module), see <span><a href="___Ext_lp__Module_cm__Module_rp.html" title="total Ext module">Ext(Module,Module)</a> -- total Ext module</span></span></li> <li><span>Ext(Ideal,Ring), see <span><a href="___Ext_lp__Module_cm__Module_rp.html" title="total Ext module">Ext(Module,Module)</a> -- total Ext module</span></span></li> <li><span>Ext(Module,Ideal), see <span><a href="___Ext_lp__Module_cm__Module_rp.html" title="total Ext module">Ext(Module,Module)</a> -- total Ext module</span></span></li> <li><span><a href="___Ext_lp__Module_cm__Module_rp.html" title="total Ext module">Ext(Module,Module)</a> -- total Ext module</span></li> <li><span>Ext(Module,Ring), see <span><a href="___Ext_lp__Module_cm__Module_rp.html" title="total Ext module">Ext(Module,Module)</a> -- total Ext module</span></span></li> <li><span><a href="___Ext^__Z__Z_lp__Coherent__Sheaf_cm__Coherent__Sheaf_rp.html" title="global Ext">Ext^ZZ(CoherentSheaf,CoherentSheaf)</a> -- global Ext</span></li> <li><span>Ext^ZZ(CoherentSheaf,SheafOfRings), see <span><a href="___Ext^__Z__Z_lp__Coherent__Sheaf_cm__Coherent__Sheaf_rp.html" title="global Ext">Ext^ZZ(CoherentSheaf,CoherentSheaf)</a> -- global Ext</span></span></li> <li><span>Ext^ZZ(SheafOfRings,CoherentSheaf), see <span><a href="___Ext^__Z__Z_lp__Coherent__Sheaf_cm__Coherent__Sheaf_rp.html" title="global Ext">Ext^ZZ(CoherentSheaf,CoherentSheaf)</a> -- global Ext</span></span></li> <li><span>Ext^ZZ(SheafOfRings,SheafOfRings), see <span><a href="___Ext^__Z__Z_lp__Coherent__Sheaf_cm__Coherent__Sheaf_rp.html" title="global Ext">Ext^ZZ(CoherentSheaf,CoherentSheaf)</a> -- global Ext</span></span></li> <li><span><a href="___Ext^__Z__Z_lp__Coherent__Sheaf_cm__Sum__Of__Twists_rp.html" title="global Ext">Ext^ZZ(CoherentSheaf,SumOfTwists)</a> -- global Ext</span></li> <li><span>Ext^ZZ(SheafOfRings,SumOfTwists), see <span><a href="___Ext^__Z__Z_lp__Coherent__Sheaf_cm__Sum__Of__Twists_rp.html" title="global Ext">Ext^ZZ(CoherentSheaf,SumOfTwists)</a> -- global Ext</span></span></li> <li><span>Ext^ZZ(Matrix,Ideal), see <span><a href="___Ext^__Z__Z_lp__Matrix_cm__Module_rp.html" title="map between Ext modules">Ext^ZZ(Matrix,Module)</a> -- map between Ext modules</span></span></li> <li><span><a href="___Ext^__Z__Z_lp__Matrix_cm__Module_rp.html" title="map between Ext modules">Ext^ZZ(Matrix,Module)</a> -- map between Ext modules</span></li> <li><span>Ext^ZZ(Matrix,Ring), see <span><a href="___Ext^__Z__Z_lp__Matrix_cm__Module_rp.html" title="map between Ext modules">Ext^ZZ(Matrix,Module)</a> -- map between Ext modules</span></span></li> <li><span>Ext^ZZ(Ideal,Matrix), see <span><a href="___Ext^__Z__Z_lp__Module_cm__Matrix_rp.html" title="map between Ext modules">Ext^ZZ(Module,Matrix)</a> -- map between Ext modules</span></span></li> <li><span><a href="___Ext^__Z__Z_lp__Module_cm__Matrix_rp.html" title="map between Ext modules">Ext^ZZ(Module,Matrix)</a> -- map between Ext modules</span></li> <li><span>Ext^ZZ(Ideal,Ideal), see <span><a href="___Ext^__Z__Z_lp__Module_cm__Module_rp.html" title="Ext module">Ext^ZZ(Module,Module)</a> -- Ext module</span></span></li> <li><span>Ext^ZZ(Ideal,Module), see <span><a href="___Ext^__Z__Z_lp__Module_cm__Module_rp.html" title="Ext module">Ext^ZZ(Module,Module)</a> -- Ext module</span></span></li> <li><span>Ext^ZZ(Ideal,Ring), see <span><a href="___Ext^__Z__Z_lp__Module_cm__Module_rp.html" title="Ext module">Ext^ZZ(Module,Module)</a> -- Ext module</span></span></li> <li><span>Ext^ZZ(Module,Ideal), see <span><a href="___Ext^__Z__Z_lp__Module_cm__Module_rp.html" title="Ext module">Ext^ZZ(Module,Module)</a> -- Ext module</span></span></li> <li><span><a href="___Ext^__Z__Z_lp__Module_cm__Module_rp.html" title="Ext module">Ext^ZZ(Module,Module)</a> -- Ext module</span></li> <li><span>Ext^ZZ(Module,Ring), see <span><a href="___Ext^__Z__Z_lp__Module_cm__Module_rp.html" title="Ext module">Ext^ZZ(Module,Module)</a> -- Ext module</span></span></li> </ul> </div> <div class="waystouse"><h2>For the programmer</h2> <p>The object <a href="___Ext.html" title="compute an Ext module">Ext</a> is <span>a <a href="___Scripted__Functor.html">scripted functor</a></span>.</p> </div> </div> </body> </html>