MODULE 3: Elasticity
Elasticity: It is the property by which a body offers resistance to external forces tending to change its volume
or shape or both and it will regain its original form when the deforming force is removed.
Perfectly Rigid body: A body i
Crack the Code!
Dr. Heather Coughlin
California State University, Stanislaus
1
2
The Beginning: Steganography
Definition. Steganography is communicating through
hiding the message.
steganos: covered
graphein: to write
Ancient Egypt: Rumored
Ancient Greece
Chap 2. Basic Encryption and
Decryption
H. Lee Kwang
Department of Electrical Engineering
& Computer Science,
KAIST
Objectives
Concepts of encryption
Cryptanalysis: how encryption systems are broken
2.1 Terminology and Background
Notations
S: sender
R:
Minimum Spanning Tree
Problem: Laying Telephone Wire
Central office
2
Wiring: Nave Approach
Central office
Expensive!
3
Wiring: Better Approach
Central office
Minimize the total length of wire connecting the customers
4
Spanning Trees
A spanning tree of a
CSC2105: Algorithms
Graph - Introduction
Jannatul Maowa
maowa@aiub.edu
American International University Bangladesh
Graph - Introduction
Reference:
CLRS Appendix B.4, Chapters 22, 24-26
Objectives:
To learn several significant graph algorithms and their
Shortest Path
Generalize distance to weighted setting
Digraph G = (V, E) with weight function W : E R
(assigning real values to edges)
Weight of path p = v1 v2 vk is
k1
w ( p ) w ( vi , vi 1 )
i 1
Shortest path = a path of minimum weight (cost)
Applicatio
CSC2211: Algorithms
Dynamic Programming
Jannatul Saowa
saowa@aiub.edu
American International University Bangladesh
Algorithm design techniques
Iterative (brute-force) algorithms
Example: insertion sort
Algorithms that use efficient data structures
Example
CS106B
Spring 2012
Handout #22
May 23, 2012
Huffman Encoding and Data Compression
_
Handout by Julie Zelenski with minor edits by Keith Schwarz
In the early 1980s, personal computers had hard disks that were no larger than 10MB; today, the
puniest of disk
Basics of Complexity Analysis:
The RAM Model and the
Growth of Functions
Antonio Carzaniga
Faculty of Informatics
University of Lugano
Semptember 24, 2008
20062007
Antonio Carzaniga
1
Outline
Informal analysis of two Fibonacci algorithms
The random-acces
Recurrences
&
Master Method
Jannatul Maowa
Lecturer
Department of Computer Science
Office: Campus-1
(7th floor,room#16r02), Ext:586
Email: maowa@aiub.edu
The divide- and- conquer design
paradigm
Divide and conquer is just one of several
powerful techniqu
Phys2ProbSet2
1.
2.
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j
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Module-8: Motion in Two and Three Dimension
Projectile is a body thrown with an initial velocity in the vertical plane and then it moves in two dimensions
under the action of gravity alone without being propelled by any engine or fuel. Its motion is calle
Module 9: Elastic and inelastic Collision
A collision is an isolated event in which two or more bodies (the colliding bodies) exert relatively strong forces
on each other for a relatively short
Before
period of time.
During
After
Figure 1: A flowchart sho
Module - 1: Thermodynamics
Thermodynamics:
Thermodynamics (Greek: thermos = heat and dynamic = change) is the study of the conversion of energy
between heat and other forms, mechanical in particular. All those problems that are related to the interconvers
Module 10: ROTATIONAL KINEMATICS
Reference Book: Properties of Matter Dr. Tofazzal Hossain
MOMENT OF INERTIA:
According to Newtons first law of motion, a body must continue in its state of rest or of uniform motion
along a straight line, unless acted upon
Court History and Purpose
Court History and Purpose NAME CJA/224 DATE INSTRUCTOR
Court History and Purpose In this paper I will describe what a court and the purpose of the court; define the dual court system, describe the role that the early legal codes,
Personal Learning Management Part 2 Crystal Jenkins PRG/211 Algorithms and Logic For Computer Programming 1/14/2012 BoriphanSirirat
Page 2
The purpose of this paper is to describe the purpose of a selection structure. At the end of this paper, there will
Module 5
Heat, Temperature and First Law of
Thermodynamics
Thermodynamics (Greek: thermos = heat and dynamic = change) is the study of the
conversion of energy between heat and other forms, mechanical in particular. All those
problems that are related to
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One pass
During the pass calculate the frequencies
Update the Huffman tree accordingly
CSEP 590
Data Compression
Coder new Huffman tree computed after transmitting the
symbol
Decoder new Huffman tree computed after receiving t