<?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>taylor -- Gives the nth differential in the Taylor resolution of a monomial ideal I.</title> <link rel="stylesheet" type="text/css" href="../../../../Macaulay2/Style/doc.css"/> </head> <body> <table class="buttons"> <tr> <td><div><a href="_taylor__Resolution.html">next</a> | <a href="_substitute_lp__Chain__Complex_cm__Ring_rp.html">previous</a> | <a href="_taylor__Resolution.html">forward</a> | <a href="_substitute_lp__Chain__Complex_cm__Ring_rp.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>taylor -- Gives the nth differential in the Taylor resolution of a monomial ideal I.</h1> <div class="single"><h2>Synopsis</h2> <ul><li><div class="list"><dl class="element"><dt class="heading">Usage: </dt><dd class="value"><div><tt>T = taylor(n,I)</tt></div> </dd></dl> </div> </li> <li><div class="single">Inputs:<ul><li><span><tt>n</tt>, </span></li> <li><span><tt>I</tt>, </span></li> </ul> </div> </li> <li><div class="single">Outputs:<ul><li><span>T, the nth differential in the Taylor Resolution of I.</span></li> </ul> </div> </li> </ul> </div> <div class="single"><h2>Description</h2> <div><table class="examples"><tr><td><pre>i1 : R = ZZ/101[a,b] o1 = R o1 : PolynomialRing</pre> </td></tr> <tr><td><pre>i2 : I = monomialIdeal (ideal vars R)^3 3 2 2 3 o2 = monomialIdeal (a , a b, a*b , b ) o2 : MonomialIdeal of R</pre> </td></tr> <tr><td><pre>i3 : T2 = taylor(2,I) o3 = {3} | -b -b2 0 -b3 0 0 | {3} | a 0 -b 0 -b2 0 | {3} | 0 a2 a 0 0 -b | {3} | 0 0 0 a3 a2 a | 4 6 o3 : Matrix R <--- R</pre> </td></tr> <tr><td><pre>i4 : T3 = taylor(3,I) o4 = {4} | b b2 0 0 | {5} | -1 0 b 0 | {4} | a 0 0 b | {6} | 0 -1 -1 0 | {5} | 0 a 0 -1 | {4} | 0 0 a2 a | 6 4 o4 : Matrix R <--- R</pre> </td></tr> </table> </div> </div> <div class="waystouse"><h2>Ways to use <tt>taylor</tt> :</h2> <ul><li>taylor(ZZ,MonomialIdeal)</li> </ul> </div> </div> </body> </html>