Homework? A hint is:
?diff
Pat
On 27/10/2013 11:37, Andras Farkas wrote:> Dear All,
>
> please help with the following problem:
>
> I have
>
>
> t <-seq(0,24,by=6)
> a <-600
> g <-0.05
> b <-a*exp(-g*t)
>
> I would like to establish a vector called z (for example) based on b where
the results are calculated as :
>
> z <-c(a-b[1],b[1]-b[2],b[2]-b[3],b[3]-b[4],b[4]-b[5])
>
> so the results are:
>
> [1] 0.00000 155.50907 115.20395 85.34519 63.22527
>
>
> as always your input is appreciated
>
> Andras
> [[alternative HTML version deleted]]
>
>
>
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--
Patrick Burns
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