See R packages cubature and R2Cuba.
Uwe Ligges
On 18.06.2011 08:17, Moohwan Kim wrote:> a=[0.1,0.2,0.1,0.3,0.4]
> b=[0.2,0.3,0.1,0.2,0.5]
> c=[1,1,1,1,1]
> log(c+a-x*b) where x=unknown scale variable.
>
> int=$$log(c+a-x*b)dadb, where $ denotes integral sign.
>
> Actually, how could I calculate the integral's approximation?
> double summation?
>
> best,
> moohwan
>
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