<?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>delete -- delete elements of a list</title> <link rel="stylesheet" type="text/css" href="../../../../Macaulay2/Style/doc.css"/> </head> <body> <table class="buttons"> <tr> <td><div><a href="_drop.html">next</a> | <a href="_between.html">previous</a> | <a href="_drop.html">forward</a> | <a href="_between.html">backward</a> | <a href="_lists_spand_spsequences.html">up</a> | <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> <div><a href="index.html" title="">Macaulay2Doc</a> > <a href="___The_sp__Macaulay2_splanguage.html" title="">The Macaulay2 language</a> > <a href="_lists_spand_spsequences.html" title="">lists and sequences</a> > <a href="_delete.html" title="delete elements of a list">delete</a></div> <hr/> <div><h1>delete -- delete elements of a list</h1> <div class="single"><h2>Description</h2> <div><tt>delete(x,v)</tt> -- removes any occurrences of the expression <tt>x</tt> from the list <tt>v</tt>.<p/> Equality is determined with <a href="___Thing_sp_eq_eq_eq_sp__Thing.html" title="strict equality">===</a>, which is quick.<table class="examples"><tr><td><pre>i1 : delete(c,{a,b,c,d,e,a,b,c,d,e}) o1 = {a, b, d, e, a, b, d, e} o1 : List</pre> </td></tr> </table> </div> </div> <div class="single"><h2>See also</h2> <ul><li><span><a href="_member.html" title="test membership in a list or set">member</a> -- test membership in a list or set</span></li> </ul> </div> </div> </body> </html>