Hi Ted Yu, Thanks very much for your kind reply.Do you just mean that in spark there is no specific package for simplex method? Then I may try to fix it by myself, do not decide whether it is convenient to finish by spark, before finally fix it. Thank you,Zhiliang
On Monday, November 2, 2015 1:43 AM, Ted Yu <yuzhih...@gmail.com> wrote: A brief search in code base shows the following: TODO: Add simplex constraints to allow alpha in (0,1)../mllib/src/main/scala/org/apache/spark/mllib/clustering/LDA.scala I guess the answer to your question is no. FYI On Sun, Nov 1, 2015 at 9:37 AM, Zhiliang Zhu <zchl.j...@yahoo.com.invalid> wrote: Dear All, As I am facing some typical linear programming issue, and I know simplex method is specific in solving LP question, I am very sorry that whether there is already some mature package in spark about simplex method... Thank you very much~Best Wishes!Zhiliang