Rensselaer
Electrical, Computer, and Systems Engineering Department
ECSE 4500 Probability for Engineering Applications
MATLAB Recitation
Solutions
Tuesday February 16, 2010
1. Before using MATLAB as a tool for various functions of interest in probability, we review
a brief list of common commands:
size
,
length
,
plot
,
axis
,
hold on
,
hold o
f
and
for .
.. end
.
Apart from these we also review how arrays and matrices are declared and used in MATLAB.
Ans:
These simple commands were explained in the session. Alternatively, at the MATLAB
prompt there is help available as:
help
<
name
>
,e
.g
.
help size
,
help axis
, etc.
2. Next we look at the 3 M
f
les available on the course LMS page. These include
DetermFreq.m
,
RelFreq.m
,and
RelativeFrequencies.m
. P
leaserunthecodeforsevera
ld
i
f
erent parameter
values and explain the results.
Ans:
We see three programs that demonstrate at least apparent convergence of relative
frequencies.
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 Spring '08
 WOODS
 Probability theory, Sin, Randomness, Fast Fourier transform, 179point fast Fourier

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