define beta distribution function
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how to define N=100000 random variables in beta distribution
Lower bound L (%) 1.0
Upper bound U (%) 3.5
Coefficient a (alpha) 0.23
Coefficient b (beta) 0.33
and also after defining it how to plot and check.
采纳的回答
Ameer Hamza
2020-5-3
If you have Statistics and Machine Learning Toolbox, then you can use betarnd(): https://www.mathworks.com/help/releases/R2020a/stats/betarnd.html
a = 0.23;
b = 0.33;
x = betarnd(a, b, 1, 100000);
histogram(x, 'Normalization', 'pdf')
8 个评论
Saurabh Agarwal
2020-5-4
Ameer Hamza
2020-5-4
Beta random numbers are distributed between 0 and 1, what is the meaning of lower and upper limits? Do you just want to shift the lower value to 1 and upper value to 3.5.
Saurabh Agarwal
2020-5-4
Saurabh Agarwal
2020-5-4
Saurabh Agarwal
2020-5-4
Saurabh Agarwal
2020-5-4
Someting like this but for the values defined as above i question
Saurabh Agarwal
2020-5-4
Ameer Hamza
2020-5-4
Try this.
a = 0.23;
b = 0.33;
l = 1;
u = 3.3;
x = rescale(betarnd(a, b, 1, 100000), l, u);
histogram(x, 'Normalization', 'pdf')
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