# Past Exam for AOE 2074 - Computational Methods with Cliff at Virginia Tech (VT)

## Exam Information

 Material Type: Exam 2 Professor: Cliff Class: AOE 2074 - Computational Methods Subject: Aerospace and Ocean Engineerin University: Virginia Polytechnic Institute And State University Term: Fall 2000 Keywords: Corresponding ArrayUnauthorizedQuestion SheetProvided ThatThe IndependentPartial CreditYou Have...Independent VariableFollowing ExpressionsDifferentiation

## Sample Document Text

AOE/ESM 2074 Introduction to Computational Methods Second Examination 9 November 2000 This is a closed-book, closed-notes examination. Be sure that your name is on this sheet and all others that you turn in. Sign the question sheet to indicate that you have not provided or received any unauthorized aid. 1. (25) Given a = bracketleftBig 123;456;789;012 bracketrightBig examine each of the following expressions. If the expression is not legal indicate an error. If the expression is legal indicate its size and its value. i) a(1:3,3) > a(3,:)' ii) a(1:2,1:2)*ones(2,1) iii) a(:,3) > a(3,1) iv) a(2:3,:) + a(1,1) v) a(:,2) > a(3,:)' 2. (25)Suppose you aregiven a data?le data.mat thatcontains two n×1 Matlabarrays, called x and y, and two character arrays lab x and lab y (these are ''labels" for the data) . Write a Matlab script ?le that will: 1. read in the data from the data.mat ?le; 2. plot the data points on plane Cartesian axes as red circles; 3. label the axes using the supplied character ...

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