PowerPoint Presentation CS 345 Lecture 14 Using lab 4 starter file, review numbers, succ and pred, and add. Take a moment to talk about cn-to-num 1 New Today Considerations of evaluation order in more complex Lambda Calculus expressions ((λx.λy.x λa.a) λb.b) Evaluation order? Eager / Strict / Applicative (λb.b (λx.λy.x λa.a)) (λb.b λy.λa.a) λy.λa.a Lazy […]
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PowerPoint Presentation Time and Space Complexity in Functional Programming, Part Two Introduction to the Lambda Calculus CS 345 Lecture 11 Functional programming invites certain problems! Recursion can cause… Stack overflow! Always passing data around as arguments to functions (instead of mutating it) leads to… Copies, copies everywhere! Only using recursive data structures (linked lists) leads
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Possible Midterm Topics If it’s not on this list, it’s not on the midterm. What is a paradigm? For functional and imperative paradigms, be able to give: • Paradigm definitions • Language features specific to the paradigm • Justification for programming one way over the other Functional Programming in Racket • Conditional branching: if vs
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PowerPoint Presentation Review: Writing functions Haskell has a cleaner syntax than Racket. triple x = x * 3 isEven x = x `mod` 2 == 0 getY m b x = m * x + b Review: Currying A function that is “curried” takes multiple arguments one at a time, always returning a new function
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Lambda Calculus 1) (¦Ëa. a) b Make the parentheses explicit in the following expressions 3) ¦Ëa. ¦Ëb. a b 4) ¦Ëa. a b ¦Ëa. a b Copyright By PowCoder代写 加微信 powcoder Identify the free variables in the following expressions 1) ¦Ëa. a b a 2) a (¦Ëa. a) a 3) ¦Ëa. (¦Ëb. a b) a
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Subject Introduction The University of Melbourne School of Computing and Information Systems COMP30020 / COMP90048 Declarative Programming Copyright By PowCoder代写 加微信 powcoder Section 0 Subject Introduction Copyright ⃝c 2020 The University of Melbourne COMP30020 / COMP90048 Declarative Programming October 30, 2020 1 / 419 Subject Introduction Welcome to Declarative Programming Contact information is available from
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# Project 4: Church Encoding Compiler for Scheme ## CIS352 — Spring 2022 In this project, you will implement a compiler for a significant Copyright By PowCoder代写 加微信 powcoder subset of Scheme to the lambda calculus. In other words, you will write a function `church-compile`, which accepts as input a Scheme expression (defined below) and
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CSE 130 Midterm, Spring 22 Nadia Polikarpova May 2, 2022 • Exam released: Monday, May 2, 9am PDT • Exam due: Tuesday, May 3, 9am PDT Copyright By PowCoder代写 加微信 powcoder • You must submit your answers via an online quiz on Gradescope • You may consult any course material (lecture notes, assignments, past exams,
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In this programming assignment, you are to implement an interpreter, written in Lisp, for a simple functional programming language FL, similar to the FUN language introduced at the beginning of this semester. Overview A program P in FL is a list of function definitions. The FL interpreter takes such a program, together with a function application, and
Chapter 4 Fun with Higher-Order Functions “Computer science is the science of abstraction – creating the right model for a problem and devising the appropriate mechanizable technique to solve it.” A. Aho, J. Ullman In this chapter, we cover a very powerful programming paradigm: Higher-order functions. Higher-order functions are one of the most important mechanisms