[R] Create vectors from a vector

[Dimitris Kapetanakis]

Dear all,

I would like to create a number of vectors which contain the the first n
elements of an existing vector. 
For example I have the vectors vnk (200x1) and vro(200x1) and I want to
create 200 vectors that contain the 1st till the n_th element of the vectors
and thus be able to create a vector s with 200 elements which are the
product of all these vectors:

i.e s1<-vnk[1]%*%vro[1] +p^(length(vp[1]+1)) 
    s2<-vnk[1:2]%*%vro[1:2]+p^(length(vp[1:2]+1))
    s3<-vnk[1:3]%*%vro[1:3]+p^(length(vp[1:3]+1))
    ...............................
    ...............................
    s200<-vnk[1:200]%*%vro[1:200]+p^(length(vp[1:200]+1))

    s<-[s1 s2 ......s200]

In the code I created I can calculate only the 200th element

vnk<-t(nk^(200:0))
vro<-ro^(0:200)

s<-nz*e*(vnk%*%vp)+p^(length(vp))

if lapply wouldn't need functions but vector arguments it would do the job
perfectly but I don't know the respective command for vectors. If you know
please tell me.

Any help would be highly appreciated

Thanks a lot

Dimitris



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