<?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>listForm -- convert to list form</title> <link rel="stylesheet" type="text/css" href="../../../../Macaulay2/Style/doc.css"/> </head> <body> <table class="buttons"> <tr> <td><div><a href="_list__Local__Symbols.html">next</a> | <a href="___List_sp_sl_sp__Thing.html">previous</a> | <a href="_list__Local__Symbols.html">forward</a> | <a href="___List_sp_sl_sp__Thing.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>listForm -- convert to list form</h1> <div class="single"><h2>Description</h2> <div><tt>listForm f</tt> -- converts a polynomial or monomial to a form represented by nested lists.<p/> A monomial is represented by the list of its exponents.<p/> A polynomial is represented by lists of pairs (m,c), one for each term, where m is a list of exponents for monomial, and c is the coefficient.<table class="examples"><tr><td><pre>i1 : R = ZZ/101[x,y,z];</pre> </td></tr> <tr><td><pre>i2 : listForm (x^2 - 7 + x*y*z^11 + y) o2 = {({1, 1, 11}, 1), ({2, 0, 0}, 1), ({0, 1, 0}, 1), ({0, 0, 0}, -7)} o2 : List</pre> </td></tr> </table> </div> </div> <div class="waystouse"><h2>Ways to use <tt>listForm</tt> :</h2> <ul><li>listForm(MonoidElement)</li> <li>listForm(RingElement)</li> </ul> </div> </div> </body> </html>