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Topic: expectated value
Replies: 5   Last Post: Jan 15, 2013 9:44 PM

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maryam

Posts: 17
Registered: 12/25/12
Re: expectated value
Posted: Jan 15, 2013 9:32 AM
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"Nasser M. Abbasi" wrote in message <kd34i6$p21$1@speranza.aioe.org>...
> On 01/15/2013 01:47 AM, maryam wrote:
> > Dear friens
> > I would like calculate the expectated value (E(.)) of a 1-by-1000 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

--------------------
I know the the definition of expected value but I cant implement it.
assume a 1-by-n arbitrary matrix, what's its matlab code?
thanks



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