editoperatin.html

来自「数据结构词典（英文）」· HTML 代码 · 共 46 行

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<!DOCTYPE HTML PUBLIC "-//IETF//DTD W3 HTML 2.0//EN">
<HTML lang="en-US">
<HEAD>
<TITLE>edit operation</TITLE>
<META name="description"
  content="Definition of edit operation,
	possibly with links to more information and implementations.">
<META name="keywords" content="edit operation">
</HEAD>
<BODY BGCOLOR="#FFFFFF">

<H1>edit operation</H1>
<P>
(definition)

<P>
<strong>Definition:</strong>
On a <a href="string.html" tppabs="http://hissa.nist.gov/dads/HTML/string.html"><em>string</em></a>, the operation of deletion, insertion, or substitution performed on a single symbol.  On a <a href="tree.html" tppabs="http://hissa.nist.gov/dads/HTML/tree.html"><em>tree</em></a>, the deletion of a node v followed by the reassignment of all children of v to the node of which v was formerly a <a href="child.html" tppabs="http://hissa.nist.gov/dads/HTML/child.html"><em>child</em></a>, the insertion of a new node followed by the reassignment of some arcs departing from the parent of the new node, or the substitution of the label of one of the nodes with another label.  Each edit operation may have an associated nonnegative real number representing its cost.
<P><em>Note:
From Algorithms and Theory of Computation Handbook, page 13-17, Copyright &copy; 1999 by CRC Press LLC.</em>
<P>Author: <a href="terms.html#authorCRC-A" tppabs="http://hissa.nist.gov/dads/terms.html#authorCRC-A">CRC-A</a>

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<p>
Entry modified Thu Jun 17 09:56:40 1999.<BR>
HTML page formatted Wed Dec 22 09:35:14 1999.

<P>
This page's URL is
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