Random number vector with only two values

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Sania Gul
Sania Gul 2024-9-23
评论： Sania Gul 2024-9-23
I want to generate 10 random numbers, but the value of these must be either 0 or pi=3.14. I have tried with randperm, randi, rand etc. but neither worked. Plz help me to resolve it.

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Stephen23
Stephen23 2024-9-23
编辑：Stephen23 2024-9-23
Ran in:
Indexing is a basic MATLAB superpower. You can easily use indexing to select from a vector of any values:
V = [0,pi];
W = V(randi(numel(V),1,10))
W = 1×10
0 0 0 0 3.1416 0 0 3.1416 0 0
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Multiplication also works for this special case with only two values, one of which is zero:
W = pi * randi([0,1],1,10)
W = 1×10
3.1416 3.1416 0 0 3.1416 3.1416 3.1416 0 0 3.1416
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