Recursion

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  • Base cases. You must always have some base cases, which can be solved without recursion. Making progress. Recursive call must always be to a case that makes progress towards some base case. Design rule. Assume that all the recursive calls works.

    ppt26p locnp0209 11-06-2011 103 22   Download

  • Bài giảng "Kỹ thuật lập trình - Chapter 1: Mathematical induction and recursive programming" trình bày các nội dung: Quy nạp toán học, chương trình đệ quy, các loại đệ quy. Mời các bạn cùng tham khảo nội dung chi tiết.

    ppt116p thangnamvoiva20 20-09-2016 8 4   Download

  • Reduce problem into smaller instances of same problem - recursive solution Recursive algorithm has two cases: Base/stopping case Recursive case, Ensure no infinite recursion. Use criteria to determine recursion correct

    ppt33p sakuraphuong 30-05-2013 23 3   Download

  • Subprogram implementation Recursion Designing recursive algorithms Recursion removal Backtracking Examples of backtracking and recursive algorithms: Factorial Fibonacci The towers of Hanoi Eight Queens Problem Tree-structured program: Look-ahead in Game

    pdf85p unknownno30 14-11-2012 17 2   Download

  • Minimal Recursion Semantics (MRS) is the standard formalism used in large-scale HPSG grammars to model underspecified semantics. We present the first provably efficient algorithm to enumerate the readings of MRS structures, by translating them into normal dominance constraints.

    pdf8p bunbo_1 17-04-2013 19 2   Download

  • A challenging problem in open information extraction and text mining is the learning of the selectional restrictions of semantic relations. We propose a minimally supervised bootstrapping algorithm that uses a single seed and a recursive lexico-syntactic pattern to learn the arguments and the supertypes of a diverse set of semantic relations from the Web. We evaluate the performance of our algorithm on multiple semantic relations expressed using “verb”, “noun”, and “verb prep” lexico-syntactic patterns. ...

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  • We consider the problem of parsing non-recursive context-free grammars, i.e., context-free grammars that generate finite languages. In natural language processing, this problem arises in several areas of application, including natural language generation, speech recognition and machine translation. We present two tabular algorithms for parsing of non-recursive context-free grammars, and show that they perform well in practical settings, despite the fact that this problem is PSPACEcomplete.

    pdf8p bunmoc_1 20-04-2013 19 1   Download

  • Efficient syntactic and semantic parsing for ambiguous context-free languages are generally characterized as complex, specialized, highly formal algorithms. In fact, they are readily constructed from straightforward recursive Iransition networks (RTNs). In this paper, we introduce LR-RTNs, and then computationally motivate a uniform progression from basic LR parsing, to Earley's (chart) parsing, concluding with Tomita's parser. These apparently disparate algorithms are unified into a single implementation, which was used to automatically generate all the figures in this paper. 1.

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  • A purely functional implementation of LR-parsers is given, together with a simple correctness proof. It is presented as a generalization of the recursive descent parser. For non-LR grammars the time-complexity of our parser is cubic if the functions that constitute the parser are implemented as memo-functions, i.e. functions that memorize the results of previous invocations. Memo-functions also facilitate a simple way to construct a very compact representation of the parse forest.

    pdf6p buncha_1 08-05-2013 7 1   Download

  • In this chapter we explore en elegant and powerful approach to problem solving recursive problem solving. Recursive problem solving involves breaking a problem into identical, but smaller or simpler problem instances and solving those to obtain a solution to the original problem. Most programming languages, including Java, support the use of recursion to solve problems.

    ppt55p nhanmotchut_2 19-10-2016 2 1   Download

  • Data structures and Algorithms: Recursion presents What is recursion? Outline of a Recursive Function, Recursive Factorial Method, Fibonacci sequence, Design a Recursive Algorithm, Euclid's Algorithm, Multiple recursion.

    pdf12p maiyeumaiyeu23 07-12-2016 7 1   Download

  • Recursion Data structures and Algorithms What is recursion? Outline of a Recursive Function, Recursive Factorial Method, Fibonacci sequence, Tracing fib, Design a Recursive Algorithm, Euclid's Algorithm.

    pdf12p maiyeumaiyeu27 10-01-2017 2 1   Download

  • Introduction to java programming: Chapter 19 - Recursion's Objectives is to know what is a recursive method and the benefits of using recursive methods; to determine the base cases in a recursive method; understand how recursive method calls are handled in a call stack.

    pdf43p cocacola_17 09-12-2015 10 0   Download

  • In this chapter you will learn: The concept of recursion, how to write and use recursive methods, how to determine the base case and recursion step in a recursive algorithm, how recursive method calls are handled by the system, what geometric shapes called fractals are and how to draw them using recursion.

    ppt52p hihihaha10 06-02-2017 0 0   Download

  • Phương pháp thiết kế một giải thuật đệ quy: Tham số hoá bài toán. Phân tích trường hợp chung : đưa bài toán dưới dạng bài toán cùng loại nhưng có phạm vi giải quyết nhỏ hơn theo nghiã dần dần sẽ tiến đến trường hợp suy biến. Tìm trường hợp suy biến.

    ppt58p thienthanoze 14-01-2011 279 120   Download

  • Tham khảo tài liệu 'bài 16-recursion', công nghệ thông tin, cơ sở dữ liệu phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    ppt45p viptieubang 21-10-2011 52 15   Download

  • Chapter 3 Dynamic Programming This chapter introduces basic ideas and methods of dynamic programming. 1 It sets out the basic elements of a recursive optimization problem, describes the functional equation (the Bellman equation), presents three methods for solving the Bellman equation

    pdf11p summerflora 28-10-2010 37 8   Download

  • If you want to learn how to program, working with Python is an excellent way to start. This hands-on guide takes you through the language one step at a time, beginning with basic programming concepts before moving on to functions, recursion, data structures, and object-oriented design. Through exercises in each chapter, you’ll try out programming concepts as you learn them. Think Python is ideal for students at the high school or college level, as well as self-learners, home-schooled students, and professionals who need to learn programming basics....

    pdf298p hoa_can 26-01-2013 28 7   Download

  • The Art of R Programming takes you on a guided tour of software development with R, from basic types and data structures to advanced topics like closures, recursion, and anonymous functions. No statistical knowledge is required, and your programming skills can range from hobbyist to pro.

    pdf404p phungnguyet_123 25-02-2013 38 7   Download

  • Part III Competitive equilibria and applications Chapter 7 Recursive (Partial) Equilibrium 7.1. An equilibrium concept This chapter formulates competitive and oligopolistic equilibria in some dynamic settings. Up to now, we have studied single-agent problems where components of the state vector not under the control of the agent were taken as given.

    pdf18p summerflora 28-10-2010 48 6   Download

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