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Re: expectated value
Posted:
Jan 15, 2013 3:38 AM


On 01/15/2013 01:47 AM, maryam wrote: > Dear friens > I would like calculate the expectated value (E(.)) of a 1by1000 matrix > {E(x)=sigma x*f(x)} > how do I that?
Apply the definition of expected value?
when you are not sure how to do something, always look up the definition and go from there.
http://en.wikipedia.org/wiki/Expected_value
If you have problem with implementing the defintion, then show what you tried and where you are having problem.
good luck,
Nasser



