[R] Optimizing variables represented in a matrix

[Kjetil Halvorsen]

If you want an helpful answer, you must describe your real problem
MUCH    better! This is way too confused.

Kjetil

On Thu, May 31, 2012 at 7:37 AM,  <nataraj at orchidpharma.com> wrote:
>
> Dear R-list members,
>
> I have a matrix with non-numeric variables in it and I have to optimize the variables of the matrix in a formula using optim routine of the stats4 package. I know the matrix can only take numeric data and so I would like to  know how to store non-numeric variables inside a matrix.
>
> Say for example: The 3X3 matrix is     0.05V1+V2    0.31V1        0.05V1                                                   0.31V1       0.3V1+V2      0.5V1                                          0.05V1       0.5V1         0.1V1+V2
>
> The matrix is only for an example and the real matrix that I want to use is a 15X15 matrix ,here I would like to optimize the values of V1 and V2 using a formula.
>
> Could you please help me how to go about to represent the matrix in R.
>
> Thanks in advance!
>
> B.Nataraj
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.