Array - Determine parameters (least number picked etc)

Question

Rich 2013-7-23

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Hi All, I have a couple questions for arrays I was hoping I could get help with.

I am making an array that is 2500,1 and the numbers are randomly generated

1) How do I determine the number that was drawn the least?

2) Determine how many times a range of numbers was drawn?

Thanks so much ahead of time

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Rich 2013-7-23

编辑：Rich 2013-7-23

Thanks for the reply guys, what I ended up doing was generating another array based off the results, basically a 52,1 array that has the number of times each number was drawn

Using MAX, and MIN works great for that but I am having trouble with the range part of it.

What I tried to do was range=sum(results(lowrange:highrange))

but I get an error, any suggestions for that?

The error is that the matrix is too large

Thanks

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Answer 1

Andrei Bobrov 2013-7-23

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编辑：Andrei Bobrov 2013-7-23

Use functions:

1. min;

2. unique and histc.

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Answer 2

David Sanchez 2013-7-23

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在 MATLAB Online 中打开

%Generate integer values from the uniform distribution on the set 1:10:
r = randi(10,2500,1); % 2500 randomly distributed numbers on the range 1:10
x=1:10; 
n = hist(r,x); % histogram with value distribution
[minimum_apearance index]= min(n); % index will give the numbe appearing the least