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John D'Errico


Retired

4,668 2006 이후 총 참여 횟수

Mainly retired from Eastman Kodak. (Of course, Kodak itself is now semi-retired. I don't think I had any influence in that.) I still write MATLAB code as I find something interesting, and I do attempt to write new tools to put on the File Exchange when I think I can make a contribution.

However, I DON'T answer direct e-mail questions, and I do NOT do homework. In general, your homework is YOUR problem, not mine. Please do NOT e-mail me with your homework problems or student projects. If I was willing to answer your questions, I would very rapidly become overwhelmed, because one question is never just one simple question.

When I'm not doing something with MATLAB, you might find me playing bridge, either in the club or online on BBO.

Professional Interests: MATLAB, numerical analysis, mathematical modeling

Avocational interests: Bridge, woodworking, woodturning

담당자

John D'Errico's 배지

  • Master
  • Revival Level 3
  • 36 Month Streak
  • Promoter
  • Speed Demon
  • CUP Challenge Master
  • Personal Best Downloads Level 5
  • Editor's Pick
  • First Review
  • 5-Star Galaxy Level 5
  • First Submission
  • Thankful Level 4
  • Knowledgeable Level 4
  • First Answer
  • Creator

John D'Errico's 배지

MATLAB Answers 배지

모두
  • 36 Month Streak36 Month Streak
    20 Jul 2017
  • MasterMaster
    22 Feb 2019
  • Knowledgeable Level 4Knowledgeable Level 4
    20 Jul 2017
  • Thankful Level 4Thankful Level 4
    20 Jul 2017
  • Revival Level 3Revival Level 3
    22 Jan 2018
  • First AnswerFirst Answer
    20 Jul 2017

Cody 배지

모두
  • PromoterPromoter
    13 Oct 2016
  • CommenterCommenter
    28 Jan 2012
  • SolverSolver
    28 Jan 2012
  • Speed DemonSpeed Demon
    28 Aug 2016
  • CreatorCreator
    22 Jul 2016
  • CUP Challenge MasterCUP Challenge Master
    21 Aug 2016

File Exchange 배지

모두
  • First SubmissionFirst Submission
    09 Oct 2019
  • First ReviewFirst Review
    09 Oct 2019
  • Editor's PickEditor's Pick
    09 Oct 2019
  • Personal Best Downloads Level 5Personal Best...
    01 Nov 2019
  • 5-Star Galaxy Level 55-Star Galaxy Level 5
    09 Oct 2019