Regarding matlab syntax for probability density function

2014 4 29
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更新时间：2014 4 29
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Hi i am new to matlab. So I would like to know how i can implement the probability density function which is uniformly distributed between a range [a,b] in matlab.
Please help me....

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回答（1 个）

Star Strider
Star Strider 2014-4-29

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If you want uniformly-distributed random numbers on the interval [a b], this works:
a = 1.5;
b = 3.0;
u = (b-a)*rand(100,1)+a;
% View the result
figure(1)
hist(u)
axis([0 5 ylim])
It produces a column vector 100 uniformly-distributed random numbers on the interval [a b]. The hist function plots them so you can see the result.
The mathematical properties of the uniform distribution are straightforward. Wikipedia has all the details in its article on Uniform distribution (continuous).

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