Random Symbols
The randsrc function generates random matrices
whose entries are chosen independently from an alphabet that you specify,
with a distribution that you specify. A special case generates
bipolar matrices.
For example, the command below generates a 5-by-4 matrix whose
entries are independently chosen and uniformly distributed in the
set {1,3,5}. (Your results might vary because these are random numbers.)
a = randsrc(5,4,[1,3,5])
a =
3 5 1 5
1 5 3 3
1 3 3 1
1 1 3 5
3 1 1 3
If you want 1 to be twice as likely to occur as either 3 or
5, use the command below to prescribe the skewed distribution. The
third input argument has two rows, one of which indicates the possible
values of b and the other indicates the probability
of each value.
b = randsrc(5,4,[1,3,5; .5,.25,.25])
b =
3 3 5 1
1 1 1 1
1 5 1 1
1 3 1 3
3 1 3 1
 | White Gaussian Noise | | Random Integers |  |
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