Github user Chanda commented on the pull request:
https://github.com/apache/spark/pull/2705#issuecomment-61212583
@debasish83 Thanks for your suggestions. Joptimizer is working for smaller
datasets but the issue is with larger datasets where the feature size is around
30,000 and the rank is very large. Let me know when you complete the
formulations for larger ranks.
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