Week 9 Lagrangian relaxation This week we will cover an alternative way of solving programs that involves relaxing certain constraints and lifting them to the objective function. We introduce the high level idea behind La- grangian relaxation with a simple application, and then apply the technique to the traveling salesman problem. Towards the end, we […]
Functional Programming The key idea: Solving problems using functions But, don’t all programming languages allow you to write functions? Yes, but they provide only calls for functions and not a functional paradigm. What is the difference? 1 Functional Programming So, what is functional programming? • Like mathematical functions, the functions we write should depend only
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The last of LISPL COMP712 Programming Languages AUT 1 You have learned how to write conditional statements using COND. An example: (defun my-length (L) (cond ((null L) 0) (t (1+ (my-length (cdr L)))))) 2 12 You can also use more specific forms: if and unless. Examples: (defun Q-sort (L) (unless (null L) (append (Q-sort (less-than-N
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Week 7 Integer Programming This week we study how to solve general integer linear programs. While there are many tools and tricks out there to solve integer pro- grams, we will concentrate on the branch and bound framework. 7.1 Introduction to integer programs Generally speaking an integer linear program has the form minimize subject to
8/11/21 Hints for drawing an FSM. Consider Q6 in the tutorial: Construct a deterministic FSM that recognizes the set of all bit strings that contain the string 101. 1. See what the input values are – in this case 0 and 1. In the previous example, it is the alphabets 1 2. See what the
LISP Tutorial2 COMP712 Programming Languages AUT 1 Exercise #1 Write a function, zip, which takes as its argument two lists and returns a list of corresponding elements from the two lists. > (zip ‘(red green yellow) ‘(apple kiwi banana) ((red apple) (green kiwi) (yellow banana)) (defun zip (L1 L2) (mapcar #’list L1 L2) 2 12
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MPI Tutorial 1. Fundamental MPI concepts MPI is short for Message Passing Interface. It has been designed by the HPC community to write parallel codes that can be executed on distributed memory systems (e.g., a cluster with many nodes). It has been widely adopted to complement OpenMP which is used for parallelize shared memory based
Operating Systems – CSCI 402 Implementing First Fit: Data Structures size link size link size link size link struct fblock struct fblock Free list: a linked list of free blocks sorted according to block addresses no need to manage allocated blocks use a doubly-linked list struct fblock insertion and deletion are fast, i.e., O(1), once
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SOFT3410 Assignment 2 Part 1 – Task description Due: 11:59pm Wednesday, 25 November 2020 This assignment is worth 20% of your final assessment The objective is to write a program that will model the static heat distribution of a room with a fireplace using a stencil pattern. Although a room is 3 dimensional, we will
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Concurrency with Threads and Synchronization Shuaiwen Song Objectives • To learn what a thread is • Tounderstandthedifferencebetween processesand threads • To learn about programming with threads using the pthread library • Data Race and Race condition • Protecting shared resource: Synchronization, Atomic Operations, Immutable Data • Synchronization: Semaphores, Mutex, Conditional Variables, read-write locks, spin locks,
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