How can I add random noise using the rand function with the noise being uniformly distributed between 0 and 2?

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Adrian
Adrian 2014-1-27
评论： Adrian 2014-1-28
If I have a new vector z=a1x^2 - a2y^2 + a3xy, how can I add random noise to all the elements in z using the function rand()? The noise needs to be uniformly distributed between 0 and 2.

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Amit
Amit 2014-1-27
z=a1*x.^2 - a2*y.^2 + a3*x.*y + 2*rand(size(x));
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