Lecture01-intro

# Pick a computational platform write the elementary

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Pick a computational platform § Write the elementary operations for that platform and their costs § Write an algorithm to solve the problem § Ask the three questions: § Make sure that it is correct § Analyze the efficiency of the algorithm § Look for opportunities for improvement

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Why Rigorous Analysis? A person well trained in computer science knows how to deal with algorithms: how to construct them, manipulate them, understand them, analyze them. This knowledge is preparation for much more than writing good computer programs; it is a general-purpose mental tool that will be a definite aid to the understanding of other subjects, whether they be chemistry, linguistics, or music, etc. The reason for this may be understood in the following way: It has often been said that a person does not really understand something until after teaching it to someone else. Actually, a person does not really understand something until after teaching it to a computer , i.e. expressing it as an algorithm… An attempt to formalize things as algorithms leads to a much deeper understanding than if we simply try to comprehend things in the traditional way. Donald Knuth from Selected Papers on Computer Science,1996
Assignment § Submit your schedule constraints by following directions already sent to the Google group § Read § Syllabus § Ch. 0, Sections 1.1 and 1.2 in the text § Visual Studio § Install Visual Studio (follow directions in

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§ We did not cover the remaining slides in class, but they are here in case you find them useful.
Objectives § Begin to understand algorithm Efficiency § Motivate Asymptotic Notation

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• Spring '08
• Jones,M
• Computer Science, Computational complexity theory, Elementary Operations

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