Plot a Curve and choose random points on it

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I should find a curve that: * _for each value of x ---> one or more values on y_ * . It is not necessary that i plot the curve. I have to choose randomly some points on the curve and memorize it too.
How to do it?

Accepted Answer

Azzi Abdelmalek
Azzi Abdelmalek on 21 Nov 2013
Example
x=0:10
y=sin(x)
n=numel(y)
random_samples=y(randperm(n,randi(n)))
  2 Comments
Antonio
Antonio on 21 Nov 2013
Edited: Antonio on 21 Nov 2013
but how to write a curve that for each value of x ---> more values on y? Can i have an example?
Azzi Abdelmalek
Azzi Abdelmalek on 21 Nov 2013
You are asking, I think you have to give an example to explain what you want

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