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Description: 利用状态表和有限自动机的运行原理编制程序，使得程序能够识别一个输入串是否为一个有效的符号串-tables and the use of the limited state of the automatic machine operation principle procedures, making procedures to identify whether an input string as a symbol effective Series
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Author: 李定丰 |
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Description: 笔者在开发县级电网调度自动化系统的过程中，碰到一个要绘制电力系统一次接线图的问题。由于电力系统一次接线图比较复杂，图上有一 些特殊的符号，象变压器符号、开关符号等等，用一般的编程方法来绘制比较困难，因此，笔者用C语言开发了一个手工绘制电力系统一次接线图 的键盘绘图程序，使用该程序绘制的一次接线图符合用户需求，效果良好。-writer in the development of county-level SCADA process, encountered a power system to draw a diagram of the problem. The electric system diagram of a more complex map some special symbols, symbols like transformers, switch symbol, and so on, using common programming methods to map more difficult, therefore, I used the C language development of a hand-drawn power system diagram of a keyboard mapping procedures, the use of the program was produced by a diagram meet the demands of users, to good effect.
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Size: 4001 |
Author: 家因 |
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Description: 名称：C语言词法分析器 功能：1）从C语言源代码文件中提取所有词素 2）检测程序的词法错误，给出错误行号及提示 3）语法分析器的预备程序 文件：分析器代码（Lex.c）、测试文件（test.c）、状态转换图、可执行程序 输出：错误记录文件、符号表文件、标识符文件-Name lexical analyzer for C language
function:
1)Extract all lexems from C Language source code
2)Examine the syntax errors of the program and provide the line number of error line and note
3)preprocessed program file of the lexical analyzer source code of the analyzer(Lex.c), test file(test.c),status transformation chart,excutable program. Output: Error-recording file, symbol table file and identifier file.
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Author: 张永胜 |
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Description: 利用状态表和有限自动机的运行原理编制程序，使得程序能够识别一个输入串是否为一个有效的符号串-tables and the use of the limited state of the automatic machine operation principle procedures, making procedures to identify whether an input string as a symbol effective Series
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Author: 李定丰 |
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Description: A. 产生一个长为1000的二进制随机序列，“0”的概率为0.8，”1”的概率为0.2；B. 对上述数据进行归零AMI编码，脉冲宽度为符号宽度的50%，波形采样率为符号率的8倍，画出前20个符号对应的波形（同时给出前20位信源序列）；C. 改用HDB3码，画出前20个符号对应的波形；D. 改用密勒码，画出前20个符号对应的波形；E. 分别对上述1000个符号的波形进行功率谱估计，画出功率谱；F. 改变信源“0”的概率，观察AMI码的功率谱变化情况；-have a length of 1,000 random binary sequence, "0" with a probability of 0.8, "a" with a probability of 0.2; B. above zero AMI data coding, and pulse width of symbols width of 50%, waveform sampling rate Symbol rate for the eight times that he painted before the 20 symbols corresponding waveforms (also given before 20 Source sequence); C. HDB3 code switch to depict the former 20 symbols corresponding waveform; D. Miller to switch codes to depict the former 20 symbols corresponding waveform; E. respectively above 1,000 symbols for the power spectrum waveform estimated to depict the power spectrum; F. Change source "0" the probability to observe AMI code changes in the power spectrum;
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Author: 郭慧勤 |
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Description: Visual C++ 6.0的MFC SYMBOL (符号调试文件) Very useful ! 识货的下-Visual C 6.0 MFC Symbol (symbolic debugger) Very useful! Know the quality of the next
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Author: 不羁的风 |
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Description: /*本程序用于词法分析：从DOS界面输入一行的C语句，并以#号结尾(注意必须以这个为结束标志，否则出错），要求输出对应的单词的种类码和该类中的 内码。其中，关键字种类为1，分界符种类为2，算术运算符、关系运算符、常数、标识符分别为3、4、5、6。-/* this procedure uses in the lexical analysis: Inputs a line of C sentence from the DOS contact surface, and take# the number ending (attention must by this as end mark, otherwise makes a mistake), request output correspondence word type code and this kind of center encoding. Among them, the essential character type is 1, the dividing line symbol type is 2, the arithmetic operator, the relational operator, the constant, the identifier respectively are 3, 4, 5, 6.
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Author: 徐昕 |
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Description: 这是一个词法分析器，、实验内容： 1． 设计扫描器的自动机； 2． 设计翻译、生成Token的算法； 3． 编写代码并上机调试运行通过。 • 要求：输入——源程序文件； 输出——（1）相应的Token序列； （2）关键字、界符表，符号表，常数表。-This a lexical analyzer, and the contents : 1. The design of automatic scanner machine; 2. Design translation, the Token generation algorithm; 3. Write code on the machine and run through debugging. Request# 8226 : input-- the source file; Output-- (1) corresponding Token sequence; (2) keyword, sector tables, symbol table, the constant table.
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Author: 石青 |
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Description: （一） 程序设计要求
（1） 目 标 机：8086及其兼容处理器
（2） 中间代码：四元式
（3） 设计结果：四元式表、符号表、TOKEN串表
（4） 语义分析内容要求：
1) 变量说明语句
2) 赋值语句
3) 控制语句(任选一种)
4) 过程开始及结束语句
5) 分程序结构的符号表问题
6) 对子过程内部的源代码，暂时可以忽略生成四元式，但要对变量或常量入符号表。
-(a) program design requirements (1) Target machine : 8086 and compatible processors (2) intermediate code : 4 yuan- (3) Design : Four-table, the symbol table, TOKEN Series (4) semantic analysis content requirements : 1) variable statement Note 2) The assignment 3) control statement (optional A) 4) the process of opening and closing statements 5) The procedure of the symbol table 6) pair process within the source code, I can ignore Generation-4 yuan, but to variables or constants into the symbol table.
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Size: 9216 |
Author: 一峰 |
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Description: RS码是Reed-Solomon 码（理德－所罗门码）的简称，它是一类非二进制BCH码，在RS码中，输入信号分成k·m比特一组，每组包括k个符号，每个符号由m个比特组成-RS Reed-Solomon codes (Li-teh-Solomon code) in the short, it is a non-binary BCH, the RS code, the input signal into a bit k m groups, each including k symbols, each symbol by the m-bit components
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Author: 姚中华 |
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Description: 本课程设计即为词法分析阶段。词法分析阶段是编译过程的第一个阶段。这个阶段的任务是从左到右一个字符一个字符地读入源程序，对构成源程序的字符流进行扫描和分解，从而识别出一个个单词（也称单词符号或符号）。如保留字（关键字或基本字）、标志符、常数、算符和界符等等。-the curriculum design shall lexical analysis stage. Lexical analysis stage of the process is to compile the first phase. This phase of the task whatever it is a character to a character read source code, which constitute the source of the characters flow scanning and decomposition, which identified a 000 word (also known as a symbol or word symbol). Words such as reservations (keyword or basic word), URI, constant, operator and so on community website.
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Author: 黄德春 |
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Description: 十部经典算法合集 .chm
Fundamentals of Data Structures
by Ellis Horowitz and Sartaj Sahni
PREFACE
CHAPTER 1: INTRODUCTION
CHAPTER 2: ARRAYS
CHAPTER 3: STACKS AND QUEUES
CHAPTER 4: LINKED LISTS
CHAPTER 5: TREES
CHAPTER 6: GRAPHS
CHAPTER 7: INTERNAL SORTING
CHAPTER 8: EXTERNAL SORTING
CHAPTER 9: SYMBOL TABLES
CHAPTER 10: FILES
APPENDIX A: SPARKS
APPENDIX B: ETHICAL CODE IN INFORMATION PROCESSING
APPENDIX C: ALGORITHM INDEX BY CHAPTER
-10 classic algorithm correctness. Chm Fundamentals of Data Structures by Ellis Horowitz and Sartaj Sahni PREFACE CHAPTER 1 : INTRODUCTION CHAPTER 2 : ARRAYS CHAPTER 3 : STACKS AND QUEUES CHAPTER 4 : LINKED LISTS CHAPTER 5 : TREES CHAPTER 6 : Yaojun CHAPTER 7 : INTERNAL SORTING CHAPTER 8 : EXTERNAL SORTING CHAPTER 9 : Symbol TABLES CHAPTER 10 : FILES APPENDIX A : SPARKS APPENDIX B : ETHICAL CODE IN INFORMATION PROCESSING APPENDIX C : ALGORITHM INDEX BY CHAPTER
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Author: icc |
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Description: 很全的MATLAB6.x 符号运算及其应用
-MATLAB6.x very symbol of the whole operation and its application
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Author: Sunnie |
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Description: MapObjects地图填充符号库扩展[Dotnet C#] 很有用的-MapObjects map filled symbol library expansion [distant C#] very useful
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Author: zhangjun |
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Description: 符号标准化既是组织数据生产的重要手段，又是科学管理数据的重要组成部分。建立标准的符号体系，
对于实现数据的规范管理和社会化信息共享服务具有十分重要的意义。
福建省国土资源信息中心于 2003年 1月着手基于MAPGIS 地理信息系统的部分标准符号库建设，经过
一年多的努力，克服了技术上的种种困难，至目前为止已制作完成适用于土地利用现状、土地利用规划，
矿产资源规划及城镇地籍等数据库建设的符号库，共计约 2400 多个符号。此项目开展初期就得到国土资源
部信息中心的关注和支持，并与武汉大学等科研单位的有关学者和专家进行过技术交流。
2005年 1月20 日，此项目正式通过专家组验收，专家们一致认为：符号库内容丰富、结构模式合理、
编码科学，参数设置合理，并附有使用说明，方便用户使用，建议尽快在全省国土资源系统进行应用。 -symbols Standardization Organization data is an important means of production, which is scientific data management an important component part. Establish standard system of symbols for the normative data management and sharing of information on social services is of great significance. Fujian Provincial Information Center in January 2003 proceed based on Geographic Information System MAPGIS part of the standard Symbol Library building, after more than a year of efforts to overcome the technical difficulties, So far has been produced applicable to land use, land use planning, Mineral resources planning and cadastral database, and other symbols of the building, totaling about more than 2,400 symbols. This project was undertaken early in the Ministry of Land and Resources Information Center c
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Description: 基于ArcGIS Engine C#实现用户自定义动态电力符号-based on ArcGIS Engine C# User-defined dynamic power symbol
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Author: tanhongwu |
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Description: 语法分析器lex和词法分析器yacc的C++语言实现
1.Lex
（1）Lex输入文件的解析
（2）正规表达式的解析
（3）一个正规表达式到NFA的转换算法实现
（4）多个NFA的合并
（5）NFA的确定化和最小化算法实现
（6）返回状态与返回内容的对应
2.Yacc
（1）Yacc输入文件的解析
（2）上下文无关文法到对应LR(1)文法的下推自动机的构造
（3）LR(1)文法的下推自动机到相应分析表的构造
（4）LR(1)总控程序的构造（查表程序）
（5）符号表的构建与相应管理程序
（6）语义动作程序的加入
环境:Visual Studio.NET 2003-Parser lex and yacc lexical analyzer C language 1.Lex (1) Lex lose into the analytical document (2) Analysis of the formal expression (3) a formal expression of the NFA conversion algorithm (4 ) more than the combined NFA (5) NFA and the determination of the smallest algorithm (6) to return to state and the return of the contents 2.Yacc counterparts (1) Yacc the analytical input file (2) context-free grammar to the corresponding LR (1) grammar pushdown automata Construction (3) LR (1) grammar pushdown automata corresponding to the tectonic analysis table (4) L R (1) General procedures for the control structure (look-up table) (5) Construction of the symbol table with the corresponding management procedures (6) semantic action procedures to the environment : Visual Studio 2003
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Author: 尤冉 |
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Description: 编译原理：词法分析器(C++实现)
将PASCAL的源程序，即相应字符流转换成内部表示，并对标识符填写相应的符号表供编译程序以后各阶段使用，输出的单词符号格式为二元组（单词种别，单词在标识符表中的地址），标识符表格式有“序号”和“标识符本身的值”两项。-compiler : lexical analyzer (C achieved) will PASCAL source, that is, replaced by the corresponding characters in the internal circulation, also fill in the corresponding identifier of the symbol table compiler for the subsequent stages, Word output format for binary symbols (words of other species, the identifier word in the address table) Table format identifier "serial number" and the "value of the identifier" 2.
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Author: Snake |
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Description: 经典算法书(中文版).《C算法》介绍了当今最重要的算法，共分3卷，本书是第1卷。第1卷分4部分、共16章。第一部分“基础知识”（第1～2章）介绍了基本算法分析原理。第二部分“数据结构”（第3～5章）讲解算法分析中必须掌握的数据结构知识。主要包括基本数据结构、抽象数据结构、递归和树。第三部分“排序”（第6～11章）按章节顺序分别讨论了基本排序方法（如选择排序、插入排序、冒泡排序、希尔排序等）、快速排序方法，归并和归并排序方法、优先队列与堆排序方法、基数排序方法以及特殊目的排序方法，并比较了各种排序方法的性能特征。第四部分“搜索”（第12～16章）在进一步讲解符号表、树等抽象数据类型的基础上，重点讨论哈希方法、基数搜索以及外部搜索方法。-This particular book, Parts 1-4, represents the essential first half of Sedgewick s complete work. It provides extensive coverage of fundamental data structures and algorithms for sorting, searching, and related applications. The algorithms and data structures are expressed in concise implementations in C, so that you can both appreciate their fundamental properties and test them on real applications. Of course, the substance of the book applies to programming in any language.
Highlights
* Expanded coverage of arrays, linked lists, strings, trees, and other basic data structures
* Greater emphasis on abstract data types (ADTs) than in previous editions
* Over 100 algorithms for sorting, selection, priority queue ADT implementations, and symbol table ADT (searching) implementations
* New implementations of binomial queues, multiway radix sorting, Batcher s sorting networks, randomized BSTs, splay trees, skip lists, multiway tries, and much more
* Increased quantit
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Size: 19883008 |
Author: wang |
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Description: 首先需要#include <stdio.h>int scanf( const char *format, ... );scanf()函数是格式化输入函数，它从标准输入设备(键盘) 读取输入的信息。第一个参数format为一个常量字符串，这个字符串中如果包含‘%’符号则使用后续参数进行匹配如：scanf("%d%d", &a, &b);(First, we need #include <stdio.h>int scanf (const char *format,...); scanf () function is formatted input function, which reads input information from the standard input device (keyboard). The first parameter format is a constant string. If the string contains "%" symbol, we use the following parameters to match, for example, scanf ("%d%d", &a, &b).)
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Author: Bruce Leung |
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