generate a random number
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Hi,I need to generate a random number distribution that has different weights. For example: I want to generate 1000000 numbers with 80% of the generated values being less than 5. How do I do this?
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Image Analyst
2016-12-16
Is this what you want? Try this:
n = 1000000; % Number of random numbers you want to generate.
maxValue = 5 % Number that you want to specify some percentage of numbers are less than.
percentage = 80; % Range is 0 to 100
newMaxValue = maxValue * 100 / percentage
% Compute random numbers.
r = newMaxValue * rand(1, n);
% Compute percentage under maxValue
pct = sum(r < maxValue) / n * 100
% Plot it.
histogram(r, 'Normalization', 'pdf');
grid on;
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2016-12-16
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