# Lecture3 - Engineering Analysis Fall 2009 Dan C Marinescu...

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Engineering Analysis – Fall 2009 Dan C. Marinescu Office: HEC 439 B Office hours: Tu-Th 11:00-12:00

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Lecture 2 2 Lecture 3 Last time - Analytical and Numerical Methods for Model Solving Today: - Overview of Matlab - Laplace Transform - Solving differential equations using the Laplace Transform - Example Next Time - Arrays in Matlab - Graphics - Number representation and roundoff errors
Lecture 2 3 Matlab The workspace The environment (address space) where all variables reside. After carrying out a calculation, MATLAB assigns the result to the built-in variable called ans; A “%” character marks the beginning of a comment line. Three windows: Command window – used to enter commands and data Edit window - used to create and edit M-files (programs) such as the factor. For example, we can use the editor to create factor.m Graphics window(s) - used to display plots and graphics

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Lecture 2 4 Command window Used to enter commands and data. The prompt is “>>” ; Allows the use of Matlab as a calculator when commands are typed in line by line, e.g., >> a = 77 -1 ans = 61 >> b = a * 10 ans =610
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## This note was uploaded on 02/17/2012 for the course EGN 3420 taught by Professor Staff during the Spring '08 term at University of Central Florida.

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Lecture3 - Engineering Analysis Fall 2009 Dan C Marinescu...

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