[R] program of matrix

[David Winsemius]

On Aug 6, 2012, at 8:04 AM, hafida wrote:

> Hi
> can ANY body  help me to programme this formula:
>
> c[lj]  and  c[l'j]   are  matrix
>
> A[j]^-1  is an invertible diagonal matrix
>
> g[ll']=i[ll'] - sum *#from j=1 to k#*  c[lj]c[l'j]A[j]^-1
>
> WHERE
>
> i[ll']= 1/n  sum from i=1 to n  z[il] z[il']
>
> n,k,m  are given.  j=1...k,    l,l'=1...m,
>
> it s complicate for me ; hope you can help me
> thank you a lot
>
>
>
> --
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David Winsemius, MD
Alameda, CA, USA