not homework, but thanks for the hint!

Andras



On Sunday, October 27, 2013 7:51 AM, Patrick Burns <pburns@pburns.seanet.com> wrote:
 
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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>

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