[R]  Gaussian elimination - singular matrix 
Hello,
 
I hope it is not a too stupid question.
 
I have a singular matrix A (so not invertible).
 
I want to find a nontrivial nonnegative solution to AX=0 (kernel of A)
 
It is a special matrix A (so maybe this nonnegative solution is unique)
 
The authors of the article suggest a Gaussian elimination method
 
Do you know if R can do that automatically ? I have seen that "solve" has an option "LAPACK" but it does not seem to work with me :(
 
Thank you very much
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