[R] A question about linear optimizaton

[cathy_chien]

 Dear all,

   I am trying to find a solution satisfying the below equations

   in R.


   Set up the problem

      9 X1+ X2 + X3 = 2
        X1+ X2 + X3 = 1

   which is subjected to

       0 < X1 < X2 < X3 < 2.

   I have downloaded the packages \'linprog\' and \'lpSolve\' but can

    not see how to solve the question.


    Thank you for your help.


    With Best,

    Cathy

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