A TriTree is defined recursively as: 1. EmptyNode: An empty node 2. TriNode a: A node holding an element with three branches, each a trinary tree Define this in Haskell. Your data type should be called TriTree, your two node types should be called EmptyNode and TriNode. In addition, your TriNode should contain any type (first) followed by the […]
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COMP284 Scripting Languages – Handouts (8 on 1) COMP284 Scripting Languages Lecture 1: Overview of COMP284 Handouts (8 on 1) Ullrich Hustadt Department of Computer Science School of Electrical Engineering, Electronics, and Computer Science University of Liverpool Contents 1 Introduction Motivation Scripting languages 2 COMP284 Aims Learning outcomes Delivery Assessment COMP284 Scripting Languages Lecture 1
Chapter 7 Parametricity Write down the definition of a polymorphic function on a piece of paper. Tell me its type, but be careful not to let me see the function’s definition. I will tell you a theorem that the function satisfies. – Philip Wadler, “Theorems for free!” Polymorphism allows a single piece of code to
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Introduction to Information Retrieval Online edition (c) 2009 Cambridge UP An Introduction to Information Retrieval Draft of April 1, 2009 Online edition (c) 2009 Cambridge UP Online edition (c) 2009 Cambridge UP An Introduction to Information Retrieval Christopher D. Manning Prabhakar Raghavan Hinrich Schütze Cambridge University Press Cambridge, England Online edition (c) 2009 Cambridge UP
Chapter 8 Programming with GADTs ML-style variants and records make it possible to define many different data types, including many of the types we encoded in System F𝜔 in Chapter 2.3.2: booleans, sums, lists, trees, and so on. However, types defined this way can lead to an error-prone programming style. For example, the OCaml standard
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2dw 1 COMP9318: Data Warehousing and Data Mining — L2: Data Warehousing and OLAP — 2 n Why and What are Data Warehouses? Data Analysis Problems n The same data found in many different systems n Example: customer data across different departments n The same concept is defined differently n Heterogeneous sources n Relational DBMS,
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Lab assignment 4 16/4/18 In this lab your task is to experiment with STM in Haskell. I have given a stub of a Haskell program to help start your exploration. import Control.Concurrent import Control.Concurrent.STM import Data.List import Text.Printf data Item = Water | Food deriving (Eq, Ord, Show) data Player = Player { name ::
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Programming Assignment #3 Functional Programming Haskell CS-4337.HON – Organization of Programming Languages Due: 11:59PM, April 23, 2017 De#ine and test the functions described below. In some cases below you may be restricted to which helper functions you may use from the Haskell standard library. Your implementation of each function must have its function name spelled
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1 ANUC 1100 – Introduction to Programming and Algorithms Semester 1, 2018 Assignment 2 Due date: 06:00pm, 1 June, 2018 This assignment will be marked out of 15. It will count for 15% of the final grade. Below you will find the specifications. Instructions: • All functions you developed for this assignment must be included
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2018/4/12 Programming Exercise 3 https://canvas.case.edu/courses/6937/assignments/128059 1/2 Programming Exercise 3 Due Monday by 11:59pm Points 50 Submitting a file upload Submit Assignment Haskell Programming Due Monday, April 16 1. Create the function removedups that takes a list and removes duplicate elements. removedups [1,2,2,3,3,3,4,3,4,5,5,5,4,3,3,2,1] => [1,2,3,4,3,4,5,4,3,2,1] 2. Create a continuation passing version, removedupscps removedups_cps [1,2,2,3,3,3,4,3,4,5,5,5,4,3,3,2,1] (\v -> v) => [1,2,3,4,3,4,5,4,3,2,1] 3. While Haskell is similar to Scheme, Haskell’s type rules prevent us from writing a function like the * functions of the first Scheme homework. For example, we can’t write the equivalent of (removedups* ‘(1 1 1 3 3 (4 ((5 5) ())) 6 6 6)) because a list can’t contain both int types and list types as elements. You will fix this by creating the following type. Create a type that allows us to have nested lists. Your type should have two kinds of values, elements and sublists. For example, the following will be a valid list: [Element 1,Element 3,Sublist [Element 4,Sublist [Sublist [Element 5],Sublist []]],Element 6] 4. Create the function gremovedups that takes a list containing elements and sublists and returns a list with the same structure, but if any “element” is preceded by an identical element, that element is removed. gremovedups [Element 4,Element 4,Element 5,Sublist [Element 6,Element 6,Sublist[Element
程序代写代做代考 scheme Haskell 2018/4/12 Programming Exercise 3 Read More »