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AOE/ESM 2074
Introduction to Computational Methods
First Examination
26 September 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. (15) Given a = [1 : 2 : 6] and b = [4 : 6] which of the following are well-de?ned ?
Where possible, describe the nature of the result.
i) c = a
prime
? b
ii) c = a ? b
prime
iii) c = a
prime
. ? b
2. (20) Provide one or more Matlab statements (i.e. a script) to generate plots of sin(t)
and cos(t) at 51 uniformly spaced points on the interval [0,?]. The lines should appear on
the same graph, with the sin as a red line and the cos as a blue line. Include a legend to
label the two lines.
3. (15) Given a =
bracketleftBig
1234;3456;5678
bracketrightBig
evaluate the following (where
possible)
i) a(:,2:3)
ii) size(a(:)
prime
)
iii) a(2,3:5)
If an expression results in an error, pro...

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