[R] Non-negative solution to an underdetermined linear system

[klqmba]

Dear R users,


I have to find optimal solution of an underdetermined linear system, but
only with positive variables. I tried the function from this post
https://stat.ethz.ch/pipermail/r-help/2007-October/143408.html , but it's
solution includes also negative values. 


Thanks in advance.


Best Regards.

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